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
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