Gain curve Spectrum Gas Gain for 2 PICs

Gain curve Spectrum Gas Gain for 2 μ-PICs Am-241 59. 5 ke. V Charge [ADU] Gain ~19000 μ-PIC : 470 V ΔGEM : 300 V Edrift : 300 V/cm Effective Gas Gain Counts Summation for 2 μ-PICs ● 2009年＠ 1枚 ● 2010年＠ 2枚 μ-PIC Anode Voltage [V] 全領域では 1枚での結果と一致

Cosmic muon tracking プラシン + PMT(HPK H 7195) Clock [ADU] Example of muon track Vessel TPC 初めてμ-PIC 2枚をまたぐ 飛跡の取得に成功！

Drift velocity Drift Time Distribution Fitted with : Counts Gas: Ar: C 2 H 6(90: 10) 1 atm E: 300 V/cm Height: ~ 10. 6 cm Measured 4. 29± 0. 24 cm/μs Magboltz 4. 273± 0. 006 cm/μs 2. 47± 0. 04 [μs] Drift Time [ x 10 ns] シミュレーション結果と無矛盾