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Fluence-to-dose conversion coefficients for aircrew dosimetry based on the new ICRP recommendations
https://repo.qst.go.jp/records/46421
https://repo.qst.go.jp/records/46421583b9d5a-4190-455c-9aa9-4f6c09a5aee2
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 | Fluence-to-dose conversion coefficients for aircrew dosimetry based on the new ICRP recommendations | |||||
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 |
Sato, Tatsuhiko
× Sato, Tatsuhiko× Endo, Akira× Yasuda, Hiroshi× Niita, Koji× et.al× 保田 浩志 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The estimation of the fluence-to-effective dose conversion coefficients used especially for aircrew dosimetry is an important issue, since the geometrical conditions of aircrew exposure are considered not to be represented by the standard irradiation geometries such as the anterior-to-posterior (AP) and isotropic (ISO) geometries. We therefore calculated the dose conversion coefficients for neutrons and protons based on the ICRP 2007 Recommendations for three additional irradiation geometries: semi-isotropic irradiation from the upper hemisphere, and geometries closely representing the geometrical situations of aircrew exposure for two different flight conditions. The calculation was performed by the PHITS code coupled with the ICRP/ICRU adult reference computational phantoms. It was found from the calculation that (1) the conversion coefficients for the irradiation geometries closely representing the geometrical situations of aircrew exposure agree better with the corresponding data for the isotropic irradiation than those for the semi-isotropic irradiation; (2) the error associated with the assumption of the isotropic irradiation in the aircrew dosimetry is less than only 1% for conventional flight conditions. These findings indicate the adequacy of the use of dose conversion coefficients for the isotropic irradiation geometry in aircrew dosimetry. | |||||
書誌情報 |
Progress in Nuclear Science and Technology 巻 1, p. 134-137, 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 |