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Desensitized nuclear emulsion films for measuring the chemical composition of cosmic-ray nuclei
https://repo.qst.go.jp/records/78476
https://repo.qst.go.jp/records/78476f2759c7c-119d-483e-8f43-ea70816d33ec
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-01-21 | |||||
タイトル | ||||||
タイトル | Desensitized nuclear emulsion films for measuring the chemical composition of cosmic-ray nuclei | |||||
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 |
Yamamoto, Saya
× Yamamoto, Saya× Aoki, Shigeki× Iyono, Atsusi× Ozaki, Keita× Kodaira, Satoshi× Yabu, Misato× Iyono, Atsusi× Satoshi, Kodaira |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Highly sensitive nuclear emulsion films and high-speed imaging technology have been developed for recording tracks of minimum ionization particles such as cosmic-ray muons and electrons. The ionization energy of the heavy ions in cosmic rays is too high to identify the individual nuclear charges because the signal of pulse-height volume for tracks is saturated on this system. We have developed desensitized nuclear emulsion films by adding a rhodium compound (Na3RhCl6∙5H2O). This modification reduces the film's sensitivity to heavy ions by 37%, resulting in better linearity between ionization energy and the signal of the tracks. The signals due to heavy ions were compared with the signals recorded on a CR-39 nuclear track-detector. The desensitized nuclear emulsion films successfully distinguished adjacent nuclear charges of heavy ions. | |||||
書誌情報 |
Bulletin of the Society of Photography and Imaging of Japan 巻 29, 号 2, p. 20-26, 発行日 2019-12 |
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出版者 | ||||||
出版者 | 一般社団法人日本写真学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2188-9937 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.spij.jp/wp-content/uploads/2020/01/BSPIJ29_020.pdf |