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Radiation hardness study for the COMET Phase-I electronics

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Title
Radiation hardness study for the COMET Phase-I electronics
Author(s)
Yu Nakazawa; Yuki Fujii; Ewen Gillies; Eitaro Hamada; Youichi Igarashi; Myeong Jae Lee; Manabu Moritsu; Yugo Matsuda; Yuta Miyazaki; Yuki Nakai; Hiroaki Natori; Kou Oishi; Akira Sato; Yoshi Uchida; Kazuki Ueno; Hiroshi Yamaguchi; BeomKi Yeo; Hisataka Yoshida; Jie Zhang
Publication Date
2020-03
Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, v.955, no., pp.163247 -
Publisher
ELSEVIER SCIENCE BV
Abstract
Radiation damage on front-end readout and trigger electronics is an important issue in the COMET Phase-I experiment at J-PARC, which plans to search for the neutrinoless transition of a muon to an electron. To produce an intense muon beam, a high-power proton beam impinges on a graphite target, resulting in a high-radiation environment. We require radiation tolerance to a total dose of 1.0kGy and 1MeV equivalent neutron fluence of 1.0×10 12 neq cm −2 including a safety factor of 5 over the duration of the physics measurement. The use of commercially-available electronics components which have high radiation tolerance, if such components can be secured, is desirable in such an environment. The radiation hardness of commercial electronic components has been evaluated in gamma-ray and neutron irradiation tests. As results of these tests, voltage regulators, ADCs, DACs, and several other components were found to have enough tolerance to both gamma-ray and neutron irradiation at the level we require. c.2019 Elsevier. B.V. All rights reserved.
URI
https://pr.ibs.re.kr/handle/8788114/6988
ISSN
0168-9002
Appears in Collections:
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > Journal Papers (저널논문)
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