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Kunieda, Satoshi
JAEA-Conf 2023-001, p.138 - 142, 2024/02
The AMUR code was updated for analysis of neutron cross-sections on the heavier nuclei by introducing approximated R-matrix formulae defined in the ENDF-6 format. In this work, with the updated version of AMUR, let me demonstrate a feasibility analysis to experimental cross-sections on U which are stored in the EXFOR database. It was confirmed that the values of the resonance parameters were successfully obtained through the fitting procedure, together with their covariance data. In this presentation, I will focus on discussions on the resulting correlation matrices of cross-sections, where the present results certainly show traces of constraints from the R-matrix theory.
Konno, Chikara
JAEA-Conf 2023-001, p.143 - 146, 2024/02
I modified NJOY2016.67 to produce photonuclear ACE files which can be used in MCNP6.2 and PHITS3.27 and produced the ACE file of the JENDL-5 photonuclear sub-library. Simple test calculations with the produced ACE file supported that the produced ACE file had no serious problems.
Kodama, Yu*; Katabuchi, Tatsuya*; Rovira Leveroni, G.; Kimura, Atsushi; Nakamura, Shoji; Endo, Shunsuke; Iwamoto, Nobuyuki; Iwamoto, Osamu; Hori, Junichi*; Shibahara, Yuji*; et al.
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