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Measurement and burnup analysis of $$^{106}$$Ru/$$^{144}$$Ce activity ratio for spent fuel cooled more than 10 years

Sato, Shunsuke*; Nauchi, Yasushi*; Hayakawa, Takehito*; Kimura, Yasuhiko; Suyama, Kenya

It is difficult to measure $$gamma$$-ray from short half-life nuclides such as $$^{106}$$Ru-106 and $$^{144}$$Ce in used fuel with more than 10 year cooling time. In this study, we make it possible to measure $$gamma$$ radiation of these nuclides by changing detection efficiency with install of polyethylene block. We obtained good agreement of activity ratio of $$^{106}$$Ru/$$^{144}$$Ce between measurement and calculation.

Language

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Japanese

Journal

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Volume

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Number

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Publication Year/Month

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Meeting title

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日本原子力学会2016年秋の大会

Held date

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2016/09

Location (city)

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久留米

Location (country)

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日本

Patent information

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PDF

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Paper URL

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DOI for research data

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Keywords

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燃焼度; 放射能比; 使用済燃料; 放射能測定; 検出効率

Research Facility

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RFEF(燃料試験施設)  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

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