Ongoing activities• Paw analysis of testbeam data (Tommaso, P.)Paw analysis of testbeam data (Tommaso, P.)

• Root analysis of testbeam data (Mauro)Root analysis of testbeam data (Mauro)

• Testbeam Geant4 simulation (Marco, Emanuele)Testbeam Geant4 simulation (Marco, Emanuele)

• Root persistency (Marco)Root persistency (Marco)

• Geant4 simulation of full LAV:Geant4 simulation of full LAV:– Production & analysis (Marco, Andreas)Production & analysis (Marco, Andreas)– Change lead/scintillator ratio (Emanuele)Change lead/scintillator ratio (Emanuele)

• Geant4 simulation general issuesGeant4 simulation general issues– validation of MC with NIST data (total validation of MC with NIST data (total absorption probability) (Marco, absorption probability) (Marco,

Emanuele)Emanuele)

• Geant4 simulation of testbeamGeant4 simulation of testbeam– KLOE prototype (Emanuele)KLOE prototype (Emanuele)– scintillator, fiber hodoscope (Marco)scintillator, fiber hodoscope (Marco)– crystal & lead-glass monitor calorimeter (Andreas)crystal & lead-glass monitor calorimeter (Andreas)– photon source (Tommaso, P.)photon source (Tommaso, P.)

Ongoing activities• Next testbeam preparationNext testbeam preparation

– gamma source (P., BTF staff, AGILE Trieste)gamma source (P., BTF staff, AGILE Trieste)

– mechanical support for prototype (Frascati: B. Dulach, S. Cerioni)mechanical support for prototype (Frascati: B. Dulach, S. Cerioni)

– KLOE prototype: Light-guide polishing (Frascati workshop) KLOE prototype: Light-guide polishing (Frascati workshop)

– KLOE prototype: PMT gluing (Frascati: L. Iannotti)KLOE prototype: PMT gluing (Frascati: L. Iannotti)

• New prototypeNew prototype– layout (P.)layout (P.)

– procurement (P.)procurement (P.)

– lead grooving machines status (Antonella, P.)lead grooving machines status (Antonella, P.)

Plans for prototype(s) testing

TilesTiles prototipes: prototipes:

• CKM, from FNAL (Peter Cooper)CKM, from FNAL (Peter Cooper)• CKM, from Protvino (Vladimir Obraztsov)CKM, from Protvino (Vladimir Obraztsov)

SpaghettiSpaghetti prototipe(s): prototipe(s):

• KLOE, barrel prototype pieceKLOE, barrel prototype piece• new half-C prototype (to be built!)new half-C prototype (to be built!)

KLOE prototype support (LNF)

Stefano Cerioni/Bruno Dulach, LNFStefano Cerioni/Bruno Dulach, LNF

beambeam

What to test

• Tag electrons/photons hitting the prototypeTag electrons/photons hitting the prototype

• Select events with one and only one particleSelect events with one and only one particle

• Inefficiency = tagged events E>EInefficiency = tagged events E>Ethresholdthreshold/tagged events/tagged events

vs.vs.

– thresholdthreshold

– beam energybeam energy

– impact position (distance from border)impact position (distance from border)

– impact angleimpact angle

• RobustRobust estimate probability of mis-tag estimate probability of mis-tag

Setup in July test

prototypeprototype

scintillator fingersscintillator fingers

fiber hodoscope (3 mm pitch)fiber hodoscope (3 mm pitch)

electronselectrons

Improvements:Improvements:• Use silicon chambers (tagged Use silicon chambers (tagged beam target) as electron tracker beam target) as electron tracker• Spatial resolution Spatial resolution 240 240 mm

Tests with photons• Mis-tag probability to be estimatedMis-tag probability to be estimated

• Photon source characteristics never measured:Photon source characteristics never measured:

– efficiency of photon sourceefficiency of photon source

– energy resolutionenergy resolution

– beam spot size and positionbeam spot size and position

– stabilitystability

• Use different detectors to characterize Use different detectors to characterize beam beam

• Benchmark for efficiency estimateBenchmark for efficiency estimate

– use energy tag?use energy tag?

– collimators?collimators?

– veto lost photons? veto lost photons?

Possible setup with

prototypeprototype

vetoveto

Status of beam

• 3 – 9 October3 – 9 October

– installation and commissiong of Silicon tagger modules (12 installation and commissiong of Silicon tagger modules (12 stations)stations)

• 10 October – 31 October10 October – 31 October

– AGILE payload calibrationAGILE payload calibration

• 16 – 30 November16 – 30 November

– P326 testbeamP326 testbeam

• DecemberDecember

– P326 testbeamP326 testbeam

New prototype

PMTPMT

light-guidelight-guide

810 mm810 mm

660 mm660 mm

100 mm100 mm

22896 22896 × × 1.63 m fibers 1.63 m fibers 38 km 38 km240 mm240 mm

1 mm round scintillating fibers

Bicron (Saint-Gobain, CH) (prices for 1.5 m cuts)

BCF-10

BCF-10M

5.20 $/m

9.10 $/m

4.3 €/m

7.6 €/m

BCF-12

BCF12M

5.73 $/m

10.03 $/m

4.8 €/m

8.3 €/m

Kuraray (Japan)(prices for >500 m spools)

SCSF-81

SCSF-81M

120.6 ¥/m

134.0 ¥/m

0.9 €/m

1.0 €/m

Optectron (France) SD 101A/SD 101D

SD 104

3.5 €/m

3.5 €/m

Detec (France)

(AMCRYS, Ukraine)

SCSF-81

SCSF-81M

1.26 €/m

1.73 €/m1€1€ = 1.21 $ = 135 = 1.21 $ = 135 ¥¥

1 mm round scintillating fibers

peak = 437 nmpeak = 437 nmdd=2.4 ns =2.4 ns

>3.5 m>3.5 m

Bicron BCF-10Bicron BCF-10peak = 432 nmpeak = 432 nm

d d = 2.7 ns = 2.7 ns

= 2.2 m= 2.2 mBicron BCF-12Bicron BCF-12

peak = 435 nmpeak = 435 nmd d = 3.3 ns = 3.3 ns

= 2.7 m= 2.7 m

KurarayKuraray

Optectron SD101A/D Optectron SD101A/D peak = 430 nmpeak = 430 nm

d d = 3 ns = 3 ns

= 2.0/1.5 m= 2.0/1.5 mOptectron SD104Optectron SD104

peak = 530 nmpeak = 530 nmd d = 3 ns = 3 ns

= 3.0 m= 3.0 m

1 mm WLS fibers

Bicron (Saint-Gobain, CH) BCF-92

BCF-92M

5.90 $/m

10.3 $/m

4.9 €/m

8.6 €/m

Kuraray (Japan) Y11(200)

Y11(200)M

127.0 ¥/m

190.5 ¥/m

0.94 €/m

1.4 €/m

Optectron (France) F200

F201

4.8 €/m

4.8 €/m

Detec (France)

(AMCRYS, Ukraine)

1€1€ = 1.21 $ = 135 = 1.21 $ = 135 ¥¥

1 mm WLS fibers

= 2 m= 2 m

Bicron BCF-92Bicron BCF-92dd = 2.8 ns = 2.8 ns

= 3.1 m= 3.1 m

KurarayKuraray

Optectron F200Optectron F200315-410 315-410 407-455 nm 407-455 nmpeak = 427 nmpeak = 427 nm

Optectron F201Optectron F201299-477 299-477 471-511 nm 471-511 nmpeak = 493 nmpeak = 493 nm