1. Beam test of GEM-TPC, HBD and PWO CNS-Tokyo : H.Hamagaki, K.Ozawa, M.Inuzuka, T.Sakaguchi, S.Kametani, F.Kajihara, T.Gunji, T.Isobe, N.Kurihara, S.Oda, Y.Morino, S.Saito Waseda : Y.Yamaguchi KEK : S.Sawada RIKEN : S.Yokkaichi Hiroshima : T.Sugitate, K.Shigaki, K.Homma, R.Kohara, D.Toyoda, H.Harada, K.Haruna Weizmann : I.Tserruya, I.Ravinovich, A.Kozlov BNL : A.Milov

2. Schedule KEK PS (12GeV)  2 test beam line KEK PS (12GeV)  2 test beam line Time table Time table –Preparation : 2004/05/10 – 2004/05/17 –Beam time : 2004/05/18 – 2004/05/24 –Withdrawal : 2004/05/25

3. Detector layout Scintillator – Trigger & TOF (CNS) Scintillator – Trigger & TOF (CNS) Gas Cherenkov – Electron ID (KEK) Gas Cherenkov – Electron ID (KEK) SSD – Tracking (CNS), (DC (KEK)) SSD – Tracking (CNS), (DC (KEK)) GEM-TPC (CNS) GEM-TPC (CNS) HBD (CNS, Weizmann) HBD (CNS, Weizmann) PWO (Hiroshima), (PbGl (CNS)) PWO (Hiroshima), (PbGl (CNS))

4. GEM-TPC Gas : P10 and CF 4 Gas : P10 and CF 4 Topics of Measurement Topics of Measurement –Efficiency –Position resolution –Particle ID by dE/dx –Two track separation power –Dependence Gas Gas Pad shape Pad shape Drift distance Drift distance Voltage of GEM Voltage of GEM Incident angle Incident angle To do list To do list –Preamp –Readout Pad –Gas –GEM –DAQ 50 patterns

5. VME Module FADC : RPV160(8ch) x3 FADC : RPV160(8ch) x3 ADC : V792(32ch) x1 ADC : V792(32ch) x1 TDC : V775(32ch) x1+  (for DC) TDC : V775(32ch) x1+  (for DC) V551 : for SSD V551 : for SSD Trigger : GSI Trigger Module x1 Trigger : GSI Trigger Module x1 8ch x 3FADCs (GEM-TPC) 8ch x 3FADCs (GEM-TPC) 5ch ADC & TDC (Scintillator) 5ch ADC & TDC (Scintillator) 2ch ADC & TDC (Gas Cherenkov) 2ch ADC & TDC (Gas Cherenkov) 1ch ADC & TDC (Lead Glass) 1ch ADC & TDC (Lead Glass) 9ch ADC & TDC (HBD CNS) 9ch ADC & TDC (HBD CNS) 9ch ADC & TDC (HBD Weizmann) 9ch ADC & TDC (HBD Weizmann) V551 (SSD) V551 (SSD) 64ch TDC (DC) 64ch TDC (DC) ?????? (PWO) ?????? (PWO)

6. NIM Module

7. Cable SHV 25m x 18 SHV 25m x 18 SHV 20m x 10 SHV 20m x 10 LEMO (narrow) 25m x 25 LEMO (narrow) 25m x 25 LEMO (thick) 40m x 30 LEMO (thick) 40m x 30 Flat 25m x 8 (TPC) Flat 25m x 8 (TPC) Short LEMO cables are needed for circuit. Short LEMO cables are needed for circuit. –20cm, 40cm, 80cm, …

8. HV S1, S3, Gas Crk (6PMTs) S1, S3, Gas Crk (6PMTs)~-2700V S2, PbGl (2PMTs) S2, PbGl (2PMTs)~-1500V TPC Field ~-20kV TPC Field ~-20kV TPC GEM ~-4kV TPC GEM ~-4kV HBD mesh & GEM x2 HBD mesh & GEM x2~-3kV SSD SSD DC DC -30kV (1ch) -30kV (1ch) -5kV (2ch) -5kV (2ch) -5kV (1ch) -5kV (1ch) -3.6kV (4ch) -3.6kV (4ch) Zenner divider Zenner divider

9. LV We have 3 1ch-LVs. We have 3 1ch-LVs. TPC +/- 5V TPC +/- 5V HBD-CNS HBD-CNS HBD-WIS HBD-WIS SSD SSD

10. Gas CF 4 (TPC 3kL, HBD-CNS 2kL, HBD-WIS 2kL) CF 4 (TPC 3kL, HBD-CNS 2kL, HBD-WIS 2kL) Ar(90%)+CH 4 (10%) (TPC 3kL, HBD-CNS 2kL) Ar(90%)+CH 4 (10%) (TPC 3kL, HBD-CNS 2kL) N 2 (7kL) N 2 (7kL) Ar+C 2 H 6 (DC ??) Ar+C 2 H 6 (DC ??) CO 2 (Gas Crk ??) CO 2 (Gas Crk ??) Other gas? (HBD-CNS) Other gas? (HBD-CNS) Mass flow meter, regulator, pipe, … Mass flow meter, regulator, pipe, …

11. Table & support