Solar neutron and gamma-ray spectrometer for a small satellite

Kazutaka Yamaoka; Hiroyasu Tajima; Yoshitaka Itow; Hirosane Fujii; Yuta Nakanishi; Yuhei Kamei; Takeharu Yamakawa; Takumi Niwa; Itsuki Okui; Kikuko Miyata; Takaya Inamori

doi:10.1117/12.2323451

18 September 2018 Solar neutron and gamma-ray spectrometer for a small satellite

Kazutaka Yamaoka, Hiroyasu Tajima, Yoshitaka Itow, Hirosane Fujii, Yuta Nakanishi, Yuhei Kamei, Takeharu Yamakawa, Takumi Niwa, Itsuki Okui, Kikuko Miyata, Takaya Inamori

Author Affiliations +

Proceedings Volume 10762, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XX; 107620J (2018) https://doi.org/10.1117/12.2323451
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

Solar neutron observations are very important for understanding of nucleon acceleration mechanism in solar flares, but there are only a few tens of detection since the discovery in 1980. This is because most o solar neutron observations have been done from not space but the ground with insufficient sensitivity. We have designed very compact and high sensitive solar neutron and gamma-ray spectrometer utilizing a novel photo-sensor Silicon photo-multiplier (Si PM). This paper describes concept, design and performance of our detector for micro/nanosatellite applications.

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Kazutaka Yamaoka, Hiroyasu Tajima, Yoshitaka Itow, Hirosane Fujii, Yuta Nakanishi, Yuhei Kamei, Takeharu Yamakawa, Takumi Niwa, Itsuki Okui, Kikuko Miyata, and Takaya Inamori "Solar neutron and gamma-ray spectrometer for a small satellite ", Proc. SPIE 10762, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XX, 107620J (18 September 2018); https://doi.org/10.1117/12.2323451

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