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Measurements of 131I in the thyroids of employees involved in the Fukushima Daiichi nuclear power station accident
https://repo.qst.go.jp/records/46489
https://repo.qst.go.jp/records/46489cc272bb5-6b0a-4313-a75a-421c62749e7e
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-02-13 | |||||
タイトル | ||||||
タイトル | Measurements of 131I in the thyroids of employees involved in the Fukushima Daiichi nuclear power station accident | |||||
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 |
Kurihara, Osamu
× Kurihara, Osamu× Kanai, Katsuta× Nakagawa, Takahiro× Takada, Chie× Tsujimura, Norio× Momose, Takumaro× Furuta, Sadaaki× 栗原 治 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The Great East Japan Earthquake Disaster on 11 March 2011 caused an unprecedented accident at the Fukushima Daiichi nuclear power station operated by Tokyo Electric Power Company (TEPCO). Nuclear Fuel Cycle Engineering Laboratories of Japan Atomic Energy Agency performed internal dose measurements of 560 employees involved in the accident during the period from 20 April to 5 August in 2011 at the request of TEPCO. The present paper describes our measurements of 131I in the thyroid that is the predominant contributor to the internal dose. These measurements were carried out using an HPGe detector installed in a low-background shielded chamber made of 20-cm-thick steel and the detector was placed adjacent to the subject's neck. The typical minimum detectable activity of this technique was 10 Bq for a counting time of 10 min; however, this sensitivity made it difficult to identify a residual thyroid content of 131I corresponding to a committed effective dose of 20 mSv for late subjects. This paper discussed technical issues experienced through the measurements such as the influence of 131I in the rest of the body, the calibration phantom of use, and so on. |
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書誌情報 |
Journal of Nuclear Science and Technology 巻 50, 号 2, p. 122-129, 発行日 2013-02 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0022-3131 |