EPJ Web Conf.
Volume 281, 20235th International Workshop on Nuclear Data Covariances (CW2022)
|Number of page(s)||6|
|Published online||29 March 2023|
Updates to the AMUR code for R-matrix analyses on heavy nuclei
Japan Atomic Energy Agency, Shirakata 2-4, Tokai-mura, Ibaraki 319-1195, Japan
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Published online: 29 March 2023
The AMUR code, that had been initially designed for R-matrix analysis on light nuclei, was updated to perform resonance analyses on heavy nuclei by including approximated theories with experimental corrections such as resolution function. As a feasibility study, we tested these updates by performing a covariance analysis on J-PARC/ANNRI measured data for n+93Nb reactions. In this work we present preliminary results obtained from the fitting procedure including both R-matrix resonance parameters and parameters related to the experimental corrections. We also discuss about physical constraint from the theory for forthcoming in-depth analysis to the measurements.
© The Authors, published by EDP Sciences, 2023
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