Performance of Multi-Pixel Photon Counters for the T2K near detectors
M. Yokoyama, A. Minamino, S. Gomi, K. Ieki, N. Nagai, T. Nakaya, K., Nitta, D. Orme, M. Otani, T. Murakami, T. Nakadaira, M. Tanaka
TL;DR
This paper reports on the development, testing, and performance evaluation of approximately 17,686 Multi-Pixel Photon Counters (MPPCs) for the T2K neutrino experiment, demonstrating their suitability for the detector's requirements.
Contribution
It introduces a large-scale testing system for MPPCs and provides performance data confirming their compliance with T2K experiment standards.
Findings
MPPCs meet T2K performance requirements
A system for simultaneous measurement of 64 MPPCs was developed
Performance data for 17,686 MPPCs are presented
Abstract
We have developed a Multi-Pixel Photon Counter (MPPC) for the neutrino detectors of T2K experiment. About 64,000 MPPCs have been produced and tested in about a year. In order to characterize a large number of MPPCs, we have developed a system that simultaneously measures 64 MPPCs with various bias voltage and temperature. The performance of MPPCs are found to satisfy the requirement of T2K experiment. In this paper, we present the performance of 17,686 MPPCs measured at Kyoto University.
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