Radiation study of FPGAs with neutron beam for COMET Phase-I

Yu Nakazawa a, Yuki Fujii b, Eitaro Hamada b, MyeongJae Lee c, Yuta Miyazaki d, Akira Satoa, Kazuki Ueno b, Hisataka Yoshida a, Jie Zhang e

a Department of Physics, Graduate School of Science, Osaka University, Osaka, Japan
b Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization, Tsukuba, Japan
c Center for Axion and Precision Physics Research, Institute for Basic Science, Daejeon, Republic of Korea
d Department of Physics, Kyushu University, Fukuoka, Japan
e State Key Laboratory of Particle Detection and Electronics, Institute of High Energy Physics, CAS, Beijing, China
Nucl.Instrum.Meth.A 936 (2019) 351-352
10/26/18
https://doi.org/10.1016/j.nima.2018.10.130

The COMET Phase-I experiment plans to search for muon to electron conversion. In order to get a good signal-to-noise ratio and time resolution, all the front-end readout boards are installed near the detector region where the radiation level is high. The radiation effects, in particular from neutrons, onto FPGA hardware will be a severe problem. We developed high reliable firmware with auto-recovery schemes for three different series of FPGAs, and evaluated them with a neutron beam. In these tests, soft error rates were measured and good performances of the schemes were demonstrated.

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