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Development of cosmic radiation and energetic particle analyzing system: CREPAS
https://repo.qst.go.jp/records/46420
https://repo.qst.go.jp/records/464204f2093a0-0178-4e55-9670-0aa3f50cd980
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-10-11 | |||||
タイトル | ||||||
タイトル | Development of cosmic radiation and energetic particle analyzing system: CREPAS | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Yasuda, Hiroshi
× Yasuda, Hiroshi× Yajima, Kazuaki× Takada, Masashi× Sato, Tatsuhiko× Nakamura, Takashi× 保田 浩志× 矢島 千秋× 高田 真志× 中村 尚司 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Information on the accurate spectrum of energetic cosmic-ray particles, particularly neutrons and protons, are important for radiological protection of aircraft crew. However, verification of cosmic radiation doses in aircraft is still difficult because detector signals attributing to different radiation components are mixed and hardly separated by means of a conventional, transportable radiation instrument. We have thus developed a new monitoring system "CREPAS" composed of a phoswich-type scintillation detector coupled with a high-speed data acquisition unit which can measure the waveform of 0 to 5 V signals from -20 to 400ns with 2ns intervals; the waveform data of 12-bit dynamic range are transferred to a personal computer via USB2.0 interface. The signal waveforms are analyzed on site in real time for discrimination of different radiation components such as neutrons, protons, muons/electrons and gamma rays. In order to examine its feasibility, CREPAS was exposed to accelerator beams and then used for cosmic radiation measurements at the summit of a high mountain and in a chartered jet aircraft. It was verified that this system can successfully measure cosmic-ray energetic neutrons (>10MeV) separately from other components. Determination of the precise energy spectra of neutrons and other components calls for further investigation. | |||||
書誌情報 |
Progress in Nuclear Science and Technology 巻 1, p. 356-359, 発行日 2011-02 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2185-4823 |