Issue |
EPJ Web of Conf.
Volume 284, 2023
15th International Conference on Nuclear Data for Science and Technology (ND2022)
|
|
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Article Number | 01024 | |
Number of page(s) | 3 | |
Section | Nuclear Reaction Measurements | |
DOI | https://doi.org/10.1051/epjconf/202328401024 | |
Published online | 26 May 2023 |
https://doi.org/10.1051/epjconf/202328401024
Measurements of the Neutron Capture Cross Section of Am-243 with the ANNRI beamline, MLF/J-PARC
1 Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology, Japan
2 Nuclear Science and Engineering Center, Japan Atomic Energy Agency, Japan
3 Institute for Integrated Radiation and Nuclear Science, Kyoto University, Japan
* e-mail: kodama.y.ae@m.titech.ac.jp
Published online: 26 May 2023
The neutron capture cross section of 243Am from thermal to 100 keV was measured using the Accurate Neutron-Nucleus Reaction Measurement Instrument (ANNRI) at the Japan Proton Accelerator Research Complex (J-PARC). The time-of-flight (TOF) method using a NaI(Tl) detector was employed in these measurements and the pulse-height weighting technique was used to derive the neutron capture yield. The preliminary cross section was determined by normalizing the results to JENDL-4.0 cross section data at the third resonance of 243Am. In the thermal energy, the preliminary result is in good agreement with the two latest experimental data measured by the TOF and the activation methods but higher than the evaluated values in JENDL-5.
© The Authors, published by EDP Sciences, 2023
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