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  1. 原著論文

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/79808
3f9a344e-feeb-4f23-a022-af6ab9972431
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 1070677

Ogawara, Ryo

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Kusumoto, Tamon

× Kusumoto, Tamon

WEKO 1070678

Kusumoto, Tamon

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Kobayashi, Alisa

× Kobayashi, Alisa

WEKO 1070679

Kobayashi, Alisa

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Konishi, Teruaki

× Konishi, Teruaki

WEKO 1070680

Konishi, Teruaki

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Hamano, Tsuyoshi

× Hamano, Tsuyoshi

WEKO 1070681

Hamano, Tsuyoshi

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Kodaira, Satoshi

× Kodaira, Satoshi

WEKO 1070682

Kodaira, Satoshi

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Ryo, Ogawara

× Ryo, Ogawara

WEKO 1070683

en Ryo, Ogawara

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Tamon, Kusumoto

× Tamon, Kusumoto

WEKO 1070684

en Tamon, Kusumoto

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Alisa, Kobayashi

× Alisa, Kobayashi

WEKO 1070685

en Alisa, Kobayashi

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Teruaki, Konishi

× Teruaki, Konishi

WEKO 1070686

en Teruaki, Konishi

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Tsuyoshi, Hamano

× Tsuyoshi, Hamano

WEKO 1070687

en Tsuyoshi, Hamano

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Satoshi, Kodaira

× Satoshi, Kodaira

WEKO 1070688

en 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
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
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