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Report No.

Measurement of $$^{243}$$Am fission rates in low-enriched uranium region at A-core of KUCA

Oizumi, Akito  ; Fukushima, Masahiro ; Tsujimoto, Kazufumi ; Yamanaka, Masao*; Pyeon, C. H.*

In the nuclear transmutation system such as ADS, the nuclear data validation of MA is required to reduce the uncertainty caused by the nuclear data of MA. This study aims to measure the fission reaction rate ratios (FRRs) of Americium-243 ($$^{243}$$Am) to Uranium-235 ($$^{235}$$U) by using a single fission chambers in the KUCA. The result showed that the measured FRR of $$^{243}$$Am/$$^{235}$$U were 0.042 $$pm$$0.002. These measured values will be used for verification of evaluated nuclear data by conducting detailed analyses.



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