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日本原子力研究開発機構における国内核鑑識ライブラリ開発の現状と今後の展望

Present status and future plan of development on National Nuclear Forensics Library at JAEA

木村 祥紀; 篠原 伸夫; 舟竹 良雄; 佐藤 兼章; 戸田 暢史; 篠田 芳晴; 綿引 優; 久野 祐輔

Kimura, Yoshiki; Shinohara, Nobuo; Funatake, Yoshio; Sato, Kaneaki; Toda, Nobufumi; Shinoda, Yoshiharu; Watahiki, Masaru; Kuno, Yusuke

原子力機構では、不法移転された核物質や放射性物質の属性を特定する核鑑識に係る分析手法をはじめとした技術開発を進めている。その開発項目の一つとして、核鑑識分析で得られた分析データから押収物質の起源や由来といった「属性」を特定し、それが国内のものかを判定する国内核鑑識ライブラリのプロトタイプ開発を進めている。本件では、国内核鑑識ライブラリの検討及び開発状況と今後の展望について報告する。また、原子力機構が参加した国内核鑑識ライブラリに係る国際トレーニングの概要と、その結果について報告する。

Japan Atomic Energy Agency (JAEA) has initiated R&D project on nuclear forensics technology such as analytical technologies towards the establishment of nuclear forensics capabilities in Japan. National Nuclear Forensics Library (NNFL) is one of the fundamental nuclear forensics capabilities and a prototype NNFL has been developed as one R&D topic of the project at JAEA. Main objective of a NNFL is to determine whether a seized nuclear or other radioactive material from nuclear security event (e.g. illicit trafficking) is originated from a country or not. Analytical data of the seized material are compared with the existing materials populated in a NNFL, and its attributions such as origin and history will be identified. This paper describes the current status and future plan on the development of prototype NNFL. The outline and the results of the participation in an international table top exercise on NNFL named "Galaxy Serpent" were also reported in the present paper.

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