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JAEA's recent activities related to CTBT verification regime

CTBT検証に関連した原子力機構の最近の活動

山本 洋一 ; 木島 佑一 ; 冨田 豊 

Yamamoto, Yoichi; Kijima, Yuichi; Tomita, Yutaka

本報告はCTBT検証に関連する原子力機構の最近の活動についてまとめたものである。核実験に対するCTBT国際検証体制の確立に向け、原子力機構はCTBT国際監視制度施設や国内データセンター(NDC)の暫定運用を実施している。2017年9月の第6回北朝鮮核実験では、CTBT放射性核種観測所データの解析評価結果を国等へ適時に報告し、CTBT国内運用体制に基づく国の評価に貢献した。また、CTBT機関(CTBTO)の核実験検知能力の強化を目的に、原子力機構は2017年の日本政府の拠出に基づき日本の幌延(北海道)とむつ(青森県)でCTBTOとの新たな希ガス共同観測を開始した。

This presentation summarizes JAEA's recent activities related to CTBT verification regime. To establish the global verification regime of CTBT for the nuclear tests, JAEA has been operating provisionally three facilities (two monitoring stations and one radionuclide laboratory) of the CTBT international monitoring system and a national data center for radionuclide monitoring. For the 6th nuclear test conducted by North Korea in September 2017, JAEA reported the analysis and evaluation results of data observed at the CTBT radionuclide monitoring stations to the national government etc. in a timely manner and thereby contributed to the evaluation by the national government based on the CTBT operation system in Japan. For the purpose of strengthening CTBTO's detection capability for nuclear tests, JAEA started new noble gas joint measurement project with CTBTO in Horonobe (Hokkaido) and Mutsu (Aomori) based on the Japanese government contribution in 2017.

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