Cosmicray test setup Trigger area:20 x 5 cm2 Time reference (TO) TOF MRPC was used toget 6 segments alongthe strip. Gas:LMRPO95% Freon + 5% iso-butane口 HV=±6.3 kV6Apr.18,2010NanChang University
Apr. 18, 2010 NanChang University 6 Trigger area: 20 x 5 cm2 Time reference (T0) TOF MRPC was used to get 6 segments along the strip. Gas: 95% Freon + 5% iso-butane HV=±6.3 kV LMRPC Cosmic ray test setup
厚Cosmic raytest results1958AT2800100.10128404医nluuluuluduluululululud1um.9588.8810009085900850TriggeratoneendofLMRPC2200800.CFH,/C,H,9515.2000C7006518001/y~59.6ps/cm60600551600.±11150500051015205.7566.256.5HV(kV)Position (cm)400E3007001200EosatEroiesLL二SenC41060020062X/ner40531000X/ndt660.2/751009ContanCenatan-570Mea5003.8041008004006008002001000400600Resolution:74psResolution:60ps300RightADC(ch)400200LL200100Le0-200204060-200204060TDC(35ps/bin)TDC(35ps/bin)center of the stripOneendof the strip7Apr.18.2010NanChangUniversity
Apr. 18, 2010 NanChang University 7 Cosmic ray test results
FNAL Beam Test (T963)1958Beamtest setup449*252"73*191"164"72568133HHIHTOF2LMRPCMWPC2MWPC1C1, C2MWPC570"GEMsMWPC3TOF1 TOF3MWPC4DownUpperstreamstreamBeamEnergy:32GeV8Apr.18,2010NanChangUniversity
Apr. 18, 2010 NanChang University 8 MWPC1 MWPC2 MWPC5 MWPC4 TOF1 252” 73” TOF2 449” 72” 164” LMRPC MWPC3 GEMs 191” 56 81 33 TOF3 70” Upper stream Down stream C1, C2 Beam Energy: 32 GeV FNAL Beam Test (T963) Beam test setup
净霞Beam Testresults1958d(%)ua1sTimeresolution70Efficiencyplateause8101E (kVicm)国2728USTCMRPCWCCorrelationUSTC_MRPC_WC_CorrelationEntries-9.687Mean35EntriesRMS5.885280140F广/ndt210.3/139Mean-0.5421PO122.4±3.9日RMS2.018-10.68±0.031201.103±0.027x2 /ndf131/336.454±0.695i-7.506 ± 0.359po264.4±0.1100DS6154+0568p1-2.748±0.032180265Positionresolution:60260~1cm401/~60ps/cm25520I250.6-40-20-1020-30010301WireChamber.xposition (cm)timediff./2(50ps/bin)yApr.18.2010NanChangUniversity
Apr. 18, 2010 NanChang University 9 Beam Test results Efficiency plateau Time resolution 1/v ~ 60ps/cm Position resolution: ~ 1 cm
LMRPC prototype-II25mm241mmmm550 mmReadoutVReadoutstrips:2.5cmx50cmstripsVGapsbetween strips:6mmVGasgaps:10x0.25mm,in2stacksVGlass:0.7 mm2.5cmVHVelectrode:~40M2/10Apr.18,2010NanChangUniversity
Apr. 18, 2010 NanChang University 10 LMRPC prototype-II Readout strips 2.5 cm ✓Readout strips: 2.5 cm x 50 cm ✓Gaps between strips: 6 mm ✓Gas gaps: 10 x 0.25 mm, in 2 stacks ✓Glass: 0.7 mm ✓HV electrode: ~40 MΩ/□ 550 mm 241mm 25 mm 6 mm