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Report No.

Measurements of $$gamma$$-ray emission probabilities of $$^{237}$$Np and $$^{241}$$Am

Terada, Kazushi; Nakamura, Shoji; Kimura, Atsushi; Nakao, Taro; Iwamoto, Osamu; Harada, Hideo  

The research project entitled "Research and development for Accuracy Improvement of neutron nuclear date on Minor Actinides (AIMAC)" has been proceeded for the R&D of innovative nuclear systems and environmental load reduction from the disposal of nuclear waste. To obtain accurate cross section data, it is indispensable to determine the amount of MA sample accurately and non-destructively. However, the uncertainty concerning the amount of sample with high-precision by $$gamma$$-ray spectroscopy, accurate $$gamma$$-ray emission probabilities are necessary. Then, measurements of $$gamma$$-ray emission probabilities of $$^{237}$$Np and $$^{233}$$Pa have been performed. And the measurements of $$^{241}$$Am are under planning. This contribution presents the results.



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