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タイトル電子スピン共鳴法による日本人小児の外部被ばく線量推定の検出限界
翻訳タイトルDetection limit of electron spin resonance for Japanese deciduous tooth enamel and density separation method for enamel-dentine separation
情報提供機関Oxford University Press
著者岡 壽崇
著者高橋 温
著者小荒井 一真
著者木野 康志
著者関根 勉
著者清水 良央
著者千葉 美麗
著者鈴木 敏彦
著者小坂 健
著者佐々木 啓一
著者篠田 壽
掲載日2022-07
言語eng
ページ数609p.-614p.
種別report
内容記述Electron spin resonance (ESR) dosimetry is one of the most powerful tools for radiation dose reconstruction. The detection limit of this technique using human teeth is reported to be 56 mGy or 67 mGy; however, the absorbed dose of Fukushima residents after the Fukushima Daiichi Nuclear Power Plant (FNPP) accident was estimated to be lower than this detection limit. Our aim is to assess the absorbed radiation dose of children in Fukushima Prefecture after the accident; therefore, it is important to estimate the detection limit for their teeth. The detection limit for enamel of deciduous teeth of Japanese children separated by the mechanical method is estimated to be 115.0 mGy. The density separation method can effectively separate enamel from third molars of Japanese people. As we have collected thousands of teeth from children in Fukushima, the present technique may be useful to examine their external absorbed dose after the FNPP accident.
情報源JOPSS関連URL関連URL
URIhttp://f-archive.jaea.go.jp/dspace/handle/faa/293567