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arxiv: 0803.0594 · v1 · submitted 2008-03-05 · ⚛️ physics.ins-det

Cross-talk suppressed multi-anode MCP-PMT

K.Inami , T.Mori , T.Matsumura , K.Kurimoto , S.Hasegawa , Y.Suzuki , T.Murase , Y.Yurikusa
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M.Akatsu Y.Enari T.Hokuue A.Tomita N.Kishimoto T.Ohshima T.Ihara H.Nishizawa
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keywords mcp-pmtbeencross-talkmulti-anodesl10achievedanodeschannel
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We have developed a 4-channel multi-anode MCP-PMT, SL10, which exhibits a performance of sigma_TTS ~ 30 ps for single photons with G ~ 10^6 and QE=20% under a magnetic field of B <= 1.5 T. The cross-talk among anodes has been extensively studied. We have taken two measures to suppress it: one is to configure the SL10 to an effectively independent 4 small pieces of MCP-PMT's by segmenting an electrode of the second MCP-layer; the other is to use a constant fractional discriminator. Remarkable improvement has been achieved.

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