| Issue |
EPJ Web of Conf.
Volume 284, 2023
15th International Conference on Nuclear Data for Science and Technology (ND2022)
|
|
|---|---|---|
| Article Number | 06003 | |
| Number of page(s) | 4 | |
| Section | Experimental Facilities | |
| DOI | https://doi.org/10.1051/epjconf/202328406003 | |
| Published online | 26 May 2023 | |
https://doi.org/10.1051/epjconf/202328406003
Experimental Evaluation of Energy Resolutions for Pulsed Neutron Beam in the KURNS-LINAC
1 Atomic Energy Research Institute, Kindai University, Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan
2 Institute for Integrated Radiation and Nuclear Science, Kyoto University, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka, 590-0494, Japan
* Corresponding author: yasu.0621.0922@gmail.com
Published online: 26 May 2023
In this study, experimental evaluations for the energy resolution of pulsed neutron flux in the neutron path were carried out. The capture gamma-rays from a Ta-181 sample were measured by BGO detectors with a TOF method, and the TOF spectra for well-known resonances were obtained. The energy resolution was evaluated by comparing a full width at half maximum of the Ta-181 resonances in the JENDL-4.0. In order to obtain relationships between the energy resolution and the pulsed neutron beam width, the measurements were carried out with the pulsed neutron beam width of 4 μsec, 1 μsec and 0.1 μsec, respectively. As the experimental results, the energy resolution of neutron energy range from 4 eV to 125 eV corresponding to each pulse width were evaluated. For example, the energy resolution at 4.28 eV (Ta-181 first resonance peak) was about 0.5 % for a pulse width of 4 μsec.
© The Authors, published by EDP Sciences, 2023
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