ongoing activities
DESCRIPTION
Ongoing activities. Paw analysis of testbeam data (Tommaso, P.) Root analysis of testbeam data (Mauro) Testbeam Geant4 simulation (Marco, Emanuele) Root persistency (Marco) Geant4 simulation of full LAV: Production & analysis (Marco, Andreas) Change lead/scintillator ratio (Emanuele) - PowerPoint PPT PresentationTRANSCRIPT
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