EPJ Web Conf.
Volume 242, 2020International Workshop on Fission Product Yields (FPY 2019)
|Number of page(s)||7|
|Published online||28 September 2020|
The Los Alamos fission yield evaluation pipeline
1 Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
2 X-Computational Physics Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA
* e-mail: email@example.com
Published online: 28 September 2020
The nuclear data team at Los Alamos National Laboratory has undertaken a campaign to construct new fission yield evaluation. Significant advances have been made on a number of fronts. Nuclear potential energy surfaces can now be generated with the newly developed MicMac code based off the Finite Range Liquid-Drop Model (FRLDM). This model can be incorporated into the Los Alamos de-excitation framework codes BeOH and CGMF to perform modeling of prompt, independent (IFY) and cumulative (CFY) fission yields that take into account prompt and beta-delayed neutrons and photons consistent with decay data. This is in stark contrast to what exists in evaluated nuclear data libraries today, where only a few incident energy points are used with limited physical insights and no consistency between IFY, CFY and decay data. We highlight the latest progress with application of neutron-induced fission of 235 U and 239 Pu.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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