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Report No.

R&D for accuracy improvement of neutron nuclear data on minor actinides, 2; Technical developments for accurate determination of amount of radioactive samples using micro-calorimeter

Nakao, Taro; Terada, Kazushi; Kimura, Atsushi; Nakamura, Shoji; Iwamoto, Osamu; Harada, Hideo  ; Igashira, Masayuki*; Katabuchi, Tatsuya*; Hori, Junichi*

In the reaction cross section measurements using accelerator facilities, the total amount of the target particles is important. In case of the radioactive samples, however, the absolute amount is not always determined accurately. In addition, as the radioactive samples are required to be sealed properly for the safety reason, the non-destructive quantitative method is required. This presentation will report about the developments of the calorimetoric method for determination of amount of radioactive samples. Present study includes the result of "Research and Development for accuracy improvement of neutron nuclear data on minor actinides" entrusted to the Japan Atomic Energy Agency by the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT).



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