Nuclear data generation & implementation for analog Monte Carlo simulation

Nuclear data is in constant evolution as more experimental data is gathered, computational capabilities increase, and evaluators verify its validity by means of stochastic and deterministic simulations. The focus here is on the analog Monte Carlo simulation of nuclear reactions that produce more tha...

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Main Authors: Ramirez Camilo Cordero, Jouanne Cédric
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2023/10/epjconf_nd2023_03011.pdf
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author Ramirez Camilo Cordero
Jouanne Cédric
author_facet Ramirez Camilo Cordero
Jouanne Cédric
author_sort Ramirez Camilo Cordero
collection DOAJ
description Nuclear data is in constant evolution as more experimental data is gathered, computational capabilities increase, and evaluators verify its validity by means of stochastic and deterministic simulations. The focus here is on the analog Monte Carlo simulation of nuclear reactions that produce more than two particles in the outgoing channel, which needs specific considerations to ensure the correlations between the particles and thus the conservation of energy and of translational and angular momenta. It is possible to adapt nuclear data and its exploitation to implement realistic reactions from the phenomenological point of view (as opposed to the historical need of variance reduction techniques), which increases computation time but allows the expansion of the transport codes capabilities. Simulation anomalies were found concerning the kinematical calculations of photon energies emitted from neutron-induced inelastic scattering (n,n’γ), as well as concerning the photon multiplicity of 155Gd(n,γ) due to the presence of a rotational band in 156Gd. Recommendations are given for potential solutions for both anomalies.
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spelling doaj.art-8852895203cc4b809e8315719f7fb6d52023-06-09T09:16:15ZengEDP SciencesEPJ Web of Conferences2100-014X2023-01-012840301110.1051/epjconf/202328403011epjconf_nd2023_03011Nuclear data generation & implementation for analog Monte Carlo simulationRamirez Camilo Cordero0Jouanne Cédric1Université Paris-Saclay, CEA Service d’études des réacteurs et de mathématiques appliquéesUniversité Paris-Saclay, CEA Service d’études des réacteurs et de mathématiques appliquéesNuclear data is in constant evolution as more experimental data is gathered, computational capabilities increase, and evaluators verify its validity by means of stochastic and deterministic simulations. The focus here is on the analog Monte Carlo simulation of nuclear reactions that produce more than two particles in the outgoing channel, which needs specific considerations to ensure the correlations between the particles and thus the conservation of energy and of translational and angular momenta. It is possible to adapt nuclear data and its exploitation to implement realistic reactions from the phenomenological point of view (as opposed to the historical need of variance reduction techniques), which increases computation time but allows the expansion of the transport codes capabilities. Simulation anomalies were found concerning the kinematical calculations of photon energies emitted from neutron-induced inelastic scattering (n,n’γ), as well as concerning the photon multiplicity of 155Gd(n,γ) due to the presence of a rotational band in 156Gd. Recommendations are given for potential solutions for both anomalies.https://www.epj-conferences.org/articles/epjconf/pdf/2023/10/epjconf_nd2023_03011.pdf
spellingShingle Ramirez Camilo Cordero
Jouanne Cédric
Nuclear data generation & implementation for analog Monte Carlo simulation
EPJ Web of Conferences
title Nuclear data generation & implementation for analog Monte Carlo simulation
title_full Nuclear data generation & implementation for analog Monte Carlo simulation
title_fullStr Nuclear data generation & implementation for analog Monte Carlo simulation
title_full_unstemmed Nuclear data generation & implementation for analog Monte Carlo simulation
title_short Nuclear data generation & implementation for analog Monte Carlo simulation
title_sort nuclear data generation implementation for analog monte carlo simulation
url https://www.epj-conferences.org/articles/epjconf/pdf/2023/10/epjconf_nd2023_03011.pdf
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AT jouannecedric nucleardatagenerationimplementationforanalogmontecarlosimulation