Establishment of characterization method for small fuel debris using the world's first isotope micro imaging apparatus, 4; Development of resonance ionization scheme for highly sensitive and accurate isotope analysis

Iwata, Yoshihiro ; Miyabe, Masabumi ; Wakaida, Ikuo ; Yoshimura, Shoki*; Matsumura, Tamaki*; Morita, Masato*; Sakamoto, Tetsuo*

Information on the elemental and isotopic compositions of fuel debris is essential for the decommissioning of TEPCO's Fukushima Daiichi Nuclear Power Station. In this study, we have developed a double-resonance ionization scheme for highly sensitive and accurate isotope analysis of neodymium (Nd), which is a burnup indicator.

Language	:	Japanese
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Meeting title	:	日本原子力学会2023年秋の大会
Held date	:	2023/09
Location (city)	:	名古屋
Location (country)	:	日本
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Keywords	:	Fukushima Daiichi Nuclear Power Station Accident; 福島第一原子力発電所事故; ネオジム; 共鳴イオン化; 同位体分析; 燃料デブリ; 同位体マイクロイメージング
Research Facility	:	ウラン濃縮研究棟
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Registration No. : BB20230336
JAEA Abstracts No. :
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