9.12.2004I.Kreslo / LHEP BERN1 Status of scanning in Bern HW status SW status pi/mu separation ( PSI...
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Transcript of 9.12.2004I.Kreslo / LHEP BERN1 Status of scanning in Bern HW status SW status pi/mu separation ( PSI...
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9.12.2004 I.Kreslo / LHEP BERN 1
Status of scanning in Bern
• HW status• SW status • pi/mu separation ( PSI 2004 )• vertex search (CERN 2004)
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9.12.2004 I.Kreslo / LHEP BERN 2
Hardware status
• 2 Microscopes are still working
• MC1310 problem (image flicker – temp. solved)
• Robot: plate taking problem and solutions -> see below
• Server : http://lheppc46.unibe.ch – on since 4 months
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9.12.2004 I.Kreslo / LHEP BERN 3
Robot performance
Plate taking problem is solved!!Change time 30s + FM scan time => ~90s
X position, microns
Y p
ositi
on, m
icro
ns
Limited by :- storage bank geometry - arm rigidity – negl.- encoder problems!!!
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9.12.2004 I.Kreslo / LHEP BERN 4
Software statusContributions to SySal developement
PlateChanger Object:
Manual robot control at three levels of detalization/safetyAutomated robot control from VertigoScanStage Homing
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9.12.2004 I.Kreslo / LHEP BERN 5
Software statusContributions to SySal developement
PlateChanger Object:
Manual robot control at three levels of detalization/safetyAutomated robot control from VertigoScanner3
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9.12.2004 I.Kreslo / LHEP BERN 6
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9.12.2004 I.Kreslo / LHEP BERN 7
Software statusContributions to SySal developement
FlexMap3 is under development
Tasks: automated FM scan - debuggingnew style FM with ID coding – in progress
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9.12.2004 I.Kreslo / LHEP BERN 8
Software statusContributions to SySal developement
BernScanServer:Tool to debug the complex Microscope + RobotControlled by TCP in a simple way, executes methods of VertigoScan which are executed by normal ScanServer
Task to do: measure relative plate positioning precision
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9.12.2004 I.Kreslo / LHEP BERN 9
Software statusContributions to SySal developement
VertigoScan3:Added slot for PlateChangerAdded method template for automated FM scanNo backward compatibility -> New Version 4?(Preliminary – auto FM scan is invoked indirectly:not a transparent solution)To be discussed…..
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9.12.2004 I.Kreslo / LHEP BERN 10
Scanning progressPi/mu PSI TB 2004
2 Bricks: 200 MeV pions and 120 Mev muons~100 cm-2
Mu Pi9+10 cm2 9 cm2
2100 mu + 2500 cosmics 2700 pi + 1900 cosmics
Log(P)Log(P)
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9.12.2004 I.Kreslo / LHEP BERN 11
Scanning progressPi/mu PSI TB 2004
cosmics
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9.12.2004 I.Kreslo / LHEP BERN 12
Scanning progressPi/mu PSI TB 2004
cosmics
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9.12.2004 I.Kreslo / LHEP BERN 13
Scanning progressPi/mu PSI TB 2004
cosmics
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9.12.2004 I.Kreslo / LHEP BERN 14
Scanning progressPi/mu PSI TB 2004
muons
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9.12.2004 I.Kreslo / LHEP BERN 15
Scanning progressPi/mu PSI TB 2004
muons
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9.12.2004 I.Kreslo / LHEP BERN 16
Scanning progressPi/mu PSI TB 2004
muons
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9.12.2004 I.Kreslo / LHEP BERN 17
Scanning progressPi/mu PSI TB 2004
pions
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9.12.2004 I.Kreslo / LHEP BERN 18
Scanning progressPi/mu PSI TB 2004
pions
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9.12.2004 I.Kreslo / LHEP BERN 19
Scanning progressPi/mu PSI TB 2004
Muons de/dx Pions
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9.12.2004 I.Kreslo / LHEP BERN 20
Scanning progressPi/mu PSI TB 2004
Muons de/dx Cosmics
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9.12.2004 I.Kreslo / LHEP BERN 21
Scanning progressPi/mu PSI TB 2004
Pions de/dx Cosmics
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9.12.2004 I.Kreslo / LHEP BERN 22
Scanning progressVertex search CERN TB Nov 2004
CS dublet: 105 x 85mm scanned2603 tracks found
860 are within beam angular distribution (60mrad)
Brick: 20x20mm 32 emulsions are scanned and aligned with old style
FMs.
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9.12.2004 I.Kreslo / LHEP BERN 23
Scanning progressVertex search CERN TB Nov 2004
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9.12.2004 I.Kreslo / LHEP BERN 24
Scanning progressVertex search CERN TB Nov 2004
All
Passing through
Within beam
acceptance
Log(P)
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9.12.2004 I.Kreslo / LHEP BERN 25
Vertex search CERN TB Nov 2004CS dublet + brick are simulated (ORV3.06)
With 1000 pions @8GeV
Log(R), microns
Single events in the brick
Single events out of the brick
All events in the brick
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9.12.2004 I.Kreslo / LHEP BERN 26
Vertex search CERN TB Nov 2004CS dublet + brick are simulated (ORV3.06)
With 1000 pions @8GeV
Log(R), microns
Purity for single events
Efficiency
Purity for 1000 events
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9.12.2004 I.Kreslo / LHEP BERN 27
Scanning progressVertex search CERN TB Nov 2004
Alignement DCS-BRICK:Problem to set Z-distance…
Good alignment on beam tracks,But no reliable coinsidence for large angle particles.
Work is in progress….
To do: bulk scan with new FM and code recognition