Cross-talk suppressed multi-anode MCP-PMT
K.Inami, T.Mori, T.Matsumura, K.Kurimoto, S.Hasegawa, Y.Suzuki,, T.Murase, Y.Yurikusa, M.Akatsu, Y.Enari, T.Hokuue, A.Tomita, N.Kishimoto,, T.Ohshima, T.Ihara, H.Nishizawa
TL;DR
This paper presents a 4-channel multi-anode MCP-PMT with suppressed cross-talk, achieving high timing resolution and efficiency, through electrode segmentation and advanced discrimination techniques.
Contribution
It introduces a novel multi-anode MCP-PMT design with effective cross-talk suppression methods, enhancing performance for photon detection.
Findings
Timing resolution sigma_TTS ~ 30 ps
Cross-talk significantly reduced
High quantum efficiency of 20%
Abstract
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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