| Issue |
EPJ Web Conf.
Volume 281, 2023
5th International Workshop on Nuclear Data Covariances (CW2022)
|
|
|---|---|---|
| Article Number | 00014 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/epjconf/202328100014 | |
| Published online | 29 March 2023 | |
https://doi.org/10.1051/epjconf/202328100014
Fast-neutron capture cross section data measurement of minor actinides for development of nuclear transmutation systems
1 Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology, Ookayama, Meguro, Tokyo 152-8550, Japan
2 Nuclear Science and Engineering Center, Japan Atomic Energy Agency, Tokai-mura, Ibaraki 319-1195 Japan
3 Institute for Integrated Radiation and Nuclear Science, Kyoto University, Kumatori, Osaka 590-0494 Japan
Published online: 29 March 2023
The neutron capture cross sections of 237Np, 243Am and 241Am in the keV energy region were measured by the time-of-flight method at the Japan Proton Accelerator Research Complex (J-PARC). Characterization of the minor actinide samples were made to reduce the uncertainties of the cross section. A neutron beam filter system was developed and installed in ANNRI to solve the double-bunch mode issue of J-PARC. The pulse-height weighting technique was employed to determine the neutron capture cross sections. The neutron capture cross sections of 237Np, 243Am and 241Am were determined with higher accuracies than the past experiments.
© The Authors, published by EDP Sciences, 2023
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