CALICE Report Nigel Watson (Birmingham Univ.) Motivation Test beam programme Current results Summary...
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Transcript of CALICE Report Nigel Watson (Birmingham Univ.) Motivation Test beam programme Current results Summary...
CALICE ReportCALICE ReportCALICE ReportCALICE Report
Nigel Watson
(Birmingham Univ)
bullMotivationbullTest beam programmebullCurrent resultsbullSummary
For the CALICE Collaboration
[Particular thanks to Erika Garutti Fabrizio Salvatore David Ward]
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Mass (jet1+jet2)
Mass (
jet3
+je
t4)
Mass (
jet3
+je
t4)
Mass (jet1+jet2)
EE = 60EEE = 60E EE = 30EEE = 30E
Equivalent best LEP detector Goal at ILC
Essential to reconstruct jet-jet invariant masses in hadronic
final states eg separation of W+W Z0Z0 tth Zhh H
ILC high performance ILC high performance
calorimetrycalorimetry
ILC high performance ILC high performance
calorimetrycalorimetry
LEPSLD optimal jet reconstruction by energy flow Explicit association of tracksclusters Replace poor calorimeter measurements with tracker
measurements ndash no ldquodouble countingrdquo
Little benefit from beam energy constraint cf LEP
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Shower containment in ECAL X0 large
Small Rmoliere and X0 ndash compact and narrow showers
intX0 large EM showers early hadronic showers late
ECAL HCAL inside coil
Lateral separation of neutralcharged particlesrsquoparticle flowrsquo
Strong B field to suppresses large beam-related background in detector
Compact ECAL (cost of coil)
Tungsten passive absorber
Silicon pixel readout minimal interlayer gaps stability
hellipbut expensivehellip Also considering ldquoSwap-inrdquo alternatives to Si diode detector designs
eg in LDC SiD CMOS MAPS process Scintillators
Implications eg for ECAL designImplications eg for ECAL designImplications eg for ECAL designImplications eg for ECAL design
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
CALICE from MC to CALICE from MC to realityreality
CALICE from MC to CALICE from MC to realityreality
Intermediate task
Build prototype calorimeters tobull Establish the technology bull Collect hadronic showers data with unprecedented granularity to
- tune reconstruction algorithms- validate existing MC models
Final goal
A high granularity calorimeter optimised for the Particle Flow measurement of multi-jets final state at the International Linear Collider
CAlorimeter for the LInear Collider Experiment
Scint Tiles-Fe AHCAL
Scint Strips-Fe TCMT
Imaging calorimeter
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Test beam prototypesTest beam prototypesTest beam prototypesTest beam prototypes
1x1cm2 lateral segmentation1 X0 longitudinal segment~1 total material ~24 X0
3x3cm2 tiles lateral segmentation~45 in 38 layers
5x100cm2 strips~5 in 16 layer
10 GeV pion shower CERN test beam
10 GeV pion shower CERN test beam
SiW ECALSiW ECAL Scint-Fe HCALScint-Fe HCALScint-Fe tail catchermuon tracker
Scint-Fe tail catchermuon tracker
beam
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The 2006 CERN The 2006 CERN installationinstallation
The 2006 CERN The 2006 CERN installationinstallation
HCAL
Tail Catcher
ECAL
beam AHCAL layer with high granular core readout
AHCAL layer with high granular core readout
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Event displayEvent displayEvent displayEvent display
Shower from Shower from a 40 GeV a 40 GeV ++
20 GeV +
HCAL only
REAL DATA
Clear structure visible in hadronic shower Back-scattered particle
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Mass (jet1+jet2)
Mass (
jet3
+je
t4)
Mass (
jet3
+je
t4)
Mass (jet1+jet2)
EE = 60EEE = 60E EE = 30EEE = 30E
Equivalent best LEP detector Goal at ILC
Essential to reconstruct jet-jet invariant masses in hadronic
final states eg separation of W+W Z0Z0 tth Zhh H
ILC high performance ILC high performance
calorimetrycalorimetry
ILC high performance ILC high performance
calorimetrycalorimetry
LEPSLD optimal jet reconstruction by energy flow Explicit association of tracksclusters Replace poor calorimeter measurements with tracker
measurements ndash no ldquodouble countingrdquo
Little benefit from beam energy constraint cf LEP
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Shower containment in ECAL X0 large
Small Rmoliere and X0 ndash compact and narrow showers
intX0 large EM showers early hadronic showers late
ECAL HCAL inside coil
Lateral separation of neutralcharged particlesrsquoparticle flowrsquo
Strong B field to suppresses large beam-related background in detector
Compact ECAL (cost of coil)
Tungsten passive absorber
Silicon pixel readout minimal interlayer gaps stability
hellipbut expensivehellip Also considering ldquoSwap-inrdquo alternatives to Si diode detector designs
eg in LDC SiD CMOS MAPS process Scintillators
Implications eg for ECAL designImplications eg for ECAL designImplications eg for ECAL designImplications eg for ECAL design
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
CALICE from MC to CALICE from MC to realityreality
CALICE from MC to CALICE from MC to realityreality
Intermediate task
Build prototype calorimeters tobull Establish the technology bull Collect hadronic showers data with unprecedented granularity to
- tune reconstruction algorithms- validate existing MC models
Final goal
A high granularity calorimeter optimised for the Particle Flow measurement of multi-jets final state at the International Linear Collider
CAlorimeter for the LInear Collider Experiment
Scint Tiles-Fe AHCAL
Scint Strips-Fe TCMT
Imaging calorimeter
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Test beam prototypesTest beam prototypesTest beam prototypesTest beam prototypes
1x1cm2 lateral segmentation1 X0 longitudinal segment~1 total material ~24 X0
3x3cm2 tiles lateral segmentation~45 in 38 layers
5x100cm2 strips~5 in 16 layer
10 GeV pion shower CERN test beam
10 GeV pion shower CERN test beam
SiW ECALSiW ECAL Scint-Fe HCALScint-Fe HCALScint-Fe tail catchermuon tracker
Scint-Fe tail catchermuon tracker
beam
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The 2006 CERN The 2006 CERN installationinstallation
The 2006 CERN The 2006 CERN installationinstallation
HCAL
Tail Catcher
ECAL
beam AHCAL layer with high granular core readout
AHCAL layer with high granular core readout
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Event displayEvent displayEvent displayEvent display
Shower from Shower from a 40 GeV a 40 GeV ++
20 GeV +
HCAL only
REAL DATA
Clear structure visible in hadronic shower Back-scattered particle
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Shower containment in ECAL X0 large
Small Rmoliere and X0 ndash compact and narrow showers
intX0 large EM showers early hadronic showers late
ECAL HCAL inside coil
Lateral separation of neutralcharged particlesrsquoparticle flowrsquo
Strong B field to suppresses large beam-related background in detector
Compact ECAL (cost of coil)
Tungsten passive absorber
Silicon pixel readout minimal interlayer gaps stability
hellipbut expensivehellip Also considering ldquoSwap-inrdquo alternatives to Si diode detector designs
eg in LDC SiD CMOS MAPS process Scintillators
Implications eg for ECAL designImplications eg for ECAL designImplications eg for ECAL designImplications eg for ECAL design
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
CALICE from MC to CALICE from MC to realityreality
CALICE from MC to CALICE from MC to realityreality
Intermediate task
Build prototype calorimeters tobull Establish the technology bull Collect hadronic showers data with unprecedented granularity to
- tune reconstruction algorithms- validate existing MC models
Final goal
A high granularity calorimeter optimised for the Particle Flow measurement of multi-jets final state at the International Linear Collider
CAlorimeter for the LInear Collider Experiment
Scint Tiles-Fe AHCAL
Scint Strips-Fe TCMT
Imaging calorimeter
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Test beam prototypesTest beam prototypesTest beam prototypesTest beam prototypes
1x1cm2 lateral segmentation1 X0 longitudinal segment~1 total material ~24 X0
3x3cm2 tiles lateral segmentation~45 in 38 layers
5x100cm2 strips~5 in 16 layer
10 GeV pion shower CERN test beam
10 GeV pion shower CERN test beam
SiW ECALSiW ECAL Scint-Fe HCALScint-Fe HCALScint-Fe tail catchermuon tracker
Scint-Fe tail catchermuon tracker
beam
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The 2006 CERN The 2006 CERN installationinstallation
The 2006 CERN The 2006 CERN installationinstallation
HCAL
Tail Catcher
ECAL
beam AHCAL layer with high granular core readout
AHCAL layer with high granular core readout
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Event displayEvent displayEvent displayEvent display
Shower from Shower from a 40 GeV a 40 GeV ++
20 GeV +
HCAL only
REAL DATA
Clear structure visible in hadronic shower Back-scattered particle
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
CALICE from MC to CALICE from MC to realityreality
CALICE from MC to CALICE from MC to realityreality
Intermediate task
Build prototype calorimeters tobull Establish the technology bull Collect hadronic showers data with unprecedented granularity to
- tune reconstruction algorithms- validate existing MC models
Final goal
A high granularity calorimeter optimised for the Particle Flow measurement of multi-jets final state at the International Linear Collider
CAlorimeter for the LInear Collider Experiment
Scint Tiles-Fe AHCAL
Scint Strips-Fe TCMT
Imaging calorimeter
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Test beam prototypesTest beam prototypesTest beam prototypesTest beam prototypes
1x1cm2 lateral segmentation1 X0 longitudinal segment~1 total material ~24 X0
3x3cm2 tiles lateral segmentation~45 in 38 layers
5x100cm2 strips~5 in 16 layer
10 GeV pion shower CERN test beam
10 GeV pion shower CERN test beam
SiW ECALSiW ECAL Scint-Fe HCALScint-Fe HCALScint-Fe tail catchermuon tracker
Scint-Fe tail catchermuon tracker
beam
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The 2006 CERN The 2006 CERN installationinstallation
The 2006 CERN The 2006 CERN installationinstallation
HCAL
Tail Catcher
ECAL
beam AHCAL layer with high granular core readout
AHCAL layer with high granular core readout
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Event displayEvent displayEvent displayEvent display
Shower from Shower from a 40 GeV a 40 GeV ++
20 GeV +
HCAL only
REAL DATA
Clear structure visible in hadronic shower Back-scattered particle
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Test beam prototypesTest beam prototypesTest beam prototypesTest beam prototypes
1x1cm2 lateral segmentation1 X0 longitudinal segment~1 total material ~24 X0
3x3cm2 tiles lateral segmentation~45 in 38 layers
5x100cm2 strips~5 in 16 layer
10 GeV pion shower CERN test beam
10 GeV pion shower CERN test beam
SiW ECALSiW ECAL Scint-Fe HCALScint-Fe HCALScint-Fe tail catchermuon tracker
Scint-Fe tail catchermuon tracker
beam
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The 2006 CERN The 2006 CERN installationinstallation
The 2006 CERN The 2006 CERN installationinstallation
HCAL
Tail Catcher
ECAL
beam AHCAL layer with high granular core readout
AHCAL layer with high granular core readout
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Event displayEvent displayEvent displayEvent display
Shower from Shower from a 40 GeV a 40 GeV ++
20 GeV +
HCAL only
REAL DATA
Clear structure visible in hadronic shower Back-scattered particle
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The 2006 CERN The 2006 CERN installationinstallation
The 2006 CERN The 2006 CERN installationinstallation
HCAL
Tail Catcher
ECAL
beam AHCAL layer with high granular core readout
AHCAL layer with high granular core readout
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Event displayEvent displayEvent displayEvent display
Shower from Shower from a 40 GeV a 40 GeV ++
20 GeV +
HCAL only
REAL DATA
Clear structure visible in hadronic shower Back-scattered particle
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Event displayEvent displayEvent displayEvent display
Shower from Shower from a 40 GeV a 40 GeV ++
20 GeV +
HCAL only
REAL DATA
Clear structure visible in hadronic shower Back-scattered particle
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
HCAL TCMT
40GeVc pionwith CALICE online analysis software
Late shower in HCAL
Clear determination of the first interaction
Event displayEvent displayEvent displayEvent displayREAL DATA
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Beamline instrumentation Beamline instrumentation modellingmodelling
Beamline instrumentation Beamline instrumentation modellingmodelling
beam
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
Essential to model upstream material accuratelyto understand tracking system ndash effect ~003X0
eg DESY 2006beamline
G481p01
Data resolution systematically lower at low energies
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2006 Data2006 Data2006 Data2006 Data
Combined ECAL+HCAL+TCMT data samples from CERN
Samples for less than whole systemalso analysed
Preliminary results for ECAL and AHCALConcentrate on electromagnetic response
bullECAL AHCAL for electronsbullAHCAL for charged pions
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--ECAL hit energy 30 GeV eECAL hit energy 30 GeV e--
Geant 481p01Low energy excess (below MIP peak)
not 100 understoodMinor effect on total energy
Hit energy
Total ECAL EnergyeventECAL energyhit
EhitMIPs EmeasGeV
Meanresolutionfrom gaussian fit each energy
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution ECAL linearityresolution Em
eas
GeV
e- beam energyGeV
Em
eas
Eb
eam
Em
eas
Eb
eam
DESY
CERN
Non-linearities ~1Non-linearities ~1
G481p01E
E (
)
1sqrt(Ebeam)
∆EE=1713radic(EGeV)oplus054
A priori and optimised weightings
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
ECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileECAL longitudinal profileS
how
er
max layer
Sh
ow
er
max layer
Beam energy GeV
Cos(angle)
Layer (by W depth))
En
erg
yl
ayer
even
t (G
eV
)
Expected logarithmicbehaviour of shower maxand angular dependence
Hists G481p01
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCALAHCALAHCALAHCAL Hadronic showers intrinsically more interesting than electromagnetic
More challenge to model and build detector Proper understanding of electromagnetic showers (e- -) mandatory first
step prior to hadronic studies Performance monitoring multi-stage calibration Unlike ECAL do need digitisation simulation for meaningful
comparison of dataMC 1048729 Calibration is much more complicated than Si-W ECAL
Muons for MIP calibration equalise response zero suppression SiPM non-linearity corrections Lab calibration and LED light injection Temperature sensitivity 1C rarr 3 systematic uncertainty
963 of channels calibrated ~50 of remaining few are dead
Show August 2006 data - 15 planes (=29 X0) contains em shower Complications MC digitisation scheme required to compare MC with
data Cross talk non-linearity + Poisson statistics at pixel level noise
dead channel removal Selection of results to follow
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Well-modelled high energy tail
No hits (gt05MIP)systematically shifted
Poorer at higher energy Correction for non-linearityof SiPM response Or MC
h
itse
ven
t
h
itse
ven
t
Hit energy GeV Hit energy GeV
AHCAL response to eAHCAL response to e--AHCAL response to eAHCAL response to e--
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL linearity for eAHCAL linearity for e--AHCAL linearity for eAHCAL linearity for e--
Extract response+resolution from fits at each energy
Linearity OK
Residuals ~5 at 45 GeV
e- beam energyGeV
Recon
str
ucte
d e
nerg
yG
eV
e- beam energyGeV
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL AHCAL datadataAHCAL AHCAL datadata
AHCAL hit energies for pion data
Shower from Shower from a 40 GeV a 40 GeV ++
Veto on TCMT activityVeto on ECAL energy
AHCAL contained events
Before TCMT veto
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
linearity and resolutionlinearity and resolution linearity and resolutionlinearity and resolution
Resolution ~ compatible with (Geant3) MC models
Not yet comparison with G4 v89hellip
Coming soonhellip
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
AHCAL energy profilesAHCAL energy profilesAHCAL energy profilesAHCAL energy profiles
Longitudinal ndash contained in AHCAL
Longitudinal ndash contained in AHCAL
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
OutlookOutlookOutlookOutlook Complete understanding of 2007 data
In process of adding yet more realism to testbeam model (material instrumented regions etc)
Understanding beamline ndash characterisation of beam itself empirically or by modelling ~accelerator-style the transport line (BDSIM et al)
Longer term plans include Detailed study of hadronic shower substructure
separation of neutrons em hadronic components mip-like hellip ndash ldquodeep analysisrdquo
Clearly sensitive to details of models and CALICE actively pursuing this
Significant impact on particle flow algorithms in development for detector optimisation eg PandoraPFA which uses such assignments to improve event
reconstruction Essential to compare data from high granular detectors with simulations
Integrated approach to develop optimal calorimety not just HCAL Work on ldquodeep analysisrdquo ongoing but not ready for public consumption yet
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
2007 CERN Testbeam2007 CERN Testbeam
ECAL 54 PCBs (30 layers) 216 channelsPCB in central part and 108PCB in
bottom part Total channels 9072 Total radiation length 24 X0
AHCAL 38 fully commissioned modules 30 modules with fine granularity = 216 tiles 8 modules with coarse granularity = 141 tiles Total channels 7608 Total interaction length 45
TCMT 16 layers ndash fully instrumented Alternated cassettes (from layer 2 to 16) have been
staggered in X and Y layer 2 = nominal layer 3 (vert) = -1 inch in X layer 4 (hor) = +1 inch in Y repeated up to layer 16
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
A difficult starthellipA difficult starthellipA difficult starthellipA difficult starthellip
June 07 ndash from DESY to CERNhttpwwwpprhulacuk~calicefabWWWPictureshtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
The setup two weeks The setup two weeks laterhelliplaterhellip
The setup two weeks The setup two weeks laterhelliplaterhellip
Si-W ECAL
Sci-Fe HCAL
Sci-Fe Tail Catcher
MWPC
Veto
Trigger
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007 Nigel Watson Birmingham
2007 Beam instrumentation description
500 m
beam
3x310x10 trigger
all in mm
News on the beamline1) Cherenkov operated for eandp separation2) 3 xy pairs of MWPC with double readout3) 10x10 cm trigger only (no 3x3)4) amplitude ro of 1cm thick scint counter (20x20 inner veto) + outer veto with 20x20 cm hole to tag double particle5) hodoscope installed for initial muon runs and from ECAL chip irradiation to end
hodoscope
1 m
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
MWPCs and VetoMWPCs and Veto
Three MWPC (from CERN) 5050 ArCO2 gas mixture
X Y readout200 mV threshold (100 mV after August 8th)
Aligned wrt beam-line with 02 mm precision
Veto counters 4 scintillator counters Total dimension 100X100cm with 20x20cm hole
corresponding to the 20x20cm trigger scintillator
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
Nigel Watson Birmingham
Energy points and particle types
Proposed in TB plan Collected during TB
Energy (GeV) 681012151820253040506080 681012151820253040506080100120130150180
Particles plusmneplusmn plusmneplusmnprotons
Beam energies extrapolated from secondary beam Electron beam obtained sending secondary beam on Pb target
e separation achieved using Cherenkov threshold detector filled with He gas Possible to distinguish from e for energies from 25 to 6 GeV
proton separation achieved using Cherenkov threshold detector with N2 gas Possible to distinguish from protons for energies from 80 to 30
GeV
httpwwwpprhulacuk~calicefabWWWrunSummaryhtm
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
Nigel Watson Birmingham
Angle and position scans
Proposed in TB plan Collected during TB
Angles 0 10 15 20 30 0 10 20 30
Position scans
Centre of ECAL
Centre of AHCAL
Inter-alveolae
Centre of ECAL
plusmn6cm from ECAL centre wafer
Bottom slab of ECAL (plusmn60plusmn3cm -3cm)
Centre of AHCAL
Centre of ECAL AHCAL plusmn6cm off beam-line
Inter-alveolae (plusmn3cm plusmn3cm)
bull bull bull bull bull -6
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
Nigel Watson Birmingham
Total events collected
Integrated Luminosity
Event Types
httpwwwpprhulacuk~calicefabWWWdataSummaryhtm
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
SummarySummary
CALICE is developing exceptionally performant calorimetry for ILC
Excellent opportunity to further ldquostress testrdquo hadronic models
First significant results from 2006 test beam runs at CERNDESY Summer 2007
Very large data sets from CERN in 2007 substantially more than planned for Analysis in progress
Careful realistic simulation of beamline and detectors essential before most useful comparisons with hadronic models Enhancements to modelling being made ~month
Plans for detailed comparisons results to come soon
Welcome suggestions for additional model tests from the respective authors
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-
G4 Workshop 13-Sep-2007Nigel Watson Birmingham
Backup slideshellipBackup slideshellipBackup slideshellipBackup slideshellip
Selection of slides shown at G4 Review 15-2042007 by Erika Garutti (+Vasily Morgunov)
- CALICE Report
- ILC high performance calorimetry
- Implications eg for ECAL design
- CALICE from MC to reality
- Test beam prototypes
- The 2006 CERN installation
- Event display
- Slide 8
- Beamline instrumentation modelling
- 2006 Data
- ECAL hit energy 30 GeV e-
- ECAL linearityresolution
- ECAL longitudinal profile
- AHCAL
- AHCAL response to e-
- AHCAL linearity for e-
- AHCAL p data
- p linearity and resolution
- AHCAL energy profiles
- Outlook
- 2007 CERN Testbeam
- A difficult starthellip
- The setup two weeks laterhellip
- MWPCs and Veto
- Summary
- Backup slideshellip
-