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Discrimination of hydroxyl radical yields due to thermal neutrons, fast neutrons, and gamma rays in accelerator-based neutron fields
https://repo.qst.go.jp/records/79808
https://repo.qst.go.jp/records/798083f9a344e-feeb-4f23-a022-af6ab9972431
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-04-06 | |||||
タイトル | ||||||
タイトル | Discrimination of hydroxyl radical yields due to thermal neutrons, fast neutrons, and gamma rays in accelerator-based neutron fields | |||||
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 |
Ogawara, Ryo
× Ogawara, Ryo× Kusumoto, Tamon× Kobayashi, Alisa× Konishi, Teruaki× Hamano, Tsuyoshi× Kodaira, Satoshi× Ryo, Ogawara× Tamon, Kusumoto× Alisa, Kobayashi× Teruaki, Konishi× Tsuyoshi, Hamano× Satoshi, Kodaira |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We proposed a depth-intensity curve discrimination (DCD) method for assessing absorbed dose contributions of hydroxyl radicals (HO·) due to thermal neutrons, fast neutrons, and gamma rays in accelerator-based mixedradiation fields, that are relevant to boron neutron capture therapy (BNCT). The HO· yields of thermal neutrons, fast neutrons, and gamma-rays measured by coumarin-3-carboxylic acid solutions were discriminately evaluated using depth-intensity curves of their radiations and maximum likelihood-expectation maximization algorithm. The discrimination accuracies of the three types of radiation were 2.8%, 4.2%, and 1.0%, respectively. We demonstrated that the DCD method is appropriate to determine absorbed dose contributions of HO· in complex accelerator-based neutron fields for BNCT. | |||||
書誌情報 |
Radiation Physics and Chemistry 巻 173, p. 108889, 発行日 2020-04 |
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出版者 | ||||||
出版者 | Elsevier Ltd. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0969-806X | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.radphyschem.2020.108889 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.radphyschem.2020.108889 |