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Report No.

Development of a fast reactor for minor actinides transmutation; Improvement of prediction accuracy for MA-related integral parameters based on cross-section adjustment technique

Yokoyama, Kenji  ; Maruyama, Shuhei ; Numata, Kazuyuki; Ishikawa, Makoto; Takeda, Toshikazu*

As a part of the ongoing project "Study on Minor Actinides Transmutation Using Monju Data", MA-related integral experimental data in the world have been extensively collected and evaluated with most-detailed analysis methods. Improvement of analysis prediction accuracy for fast reactor core parameters based on the cross-section adjustment technique has been investigated by utilizing the newly-evaluated MA-related and existing general, i.e. not only specific to MA-related, integral experimental data. As a result, it is found that these data enable us to significantly improve the prediction accuracy for both the MA-related and general nuclear parameters. Furthermore, the adjustment result shows possibilities of the integral experiment data to make feedback to the differential nuclear data evaluation.



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