Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities

Uncertainties associated with evaluated average prompt fission neutron spectra and multiplicities are obtained for a suite of actinides in the Los Alamos model formalism. Systematics for the model input parameters are taken from the literature and used as prior values in a Bayesian updating procedur...

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Main Authors: Prinja Anil, Rising Mike, Kawano Toshihiko, Talou Patrick
Format: Article
Language:English
Published: EDP Sciences 2012-05-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20122700001
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author Prinja Anil
Rising Mike
Kawano Toshihiko
Talou Patrick
author_facet Prinja Anil
Rising Mike
Kawano Toshihiko
Talou Patrick
author_sort Prinja Anil
collection DOAJ
description Uncertainties associated with evaluated average prompt fission neutron spectra and multiplicities are obtained for a suite of actinides in the Los Alamos model formalism. Systematics for the model input parameters are taken from the literature and used as prior values in a Bayesian updating procedure. Posterior systematics as well as associated posterior uncertainties are inferred. In addition, cross-isotope correlations are evaluated for the first time. The quantification of uncertainties associated with advanced Monte Carlo Hauser-Feshbach calculations of prompt fission neutron spectra is also discussed.
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spelling doaj.art-7e65e2fab9e94f12af660252a6b4e2d32022-12-21T20:07:34ZengEDP SciencesEPJ Web of Conferences2100-014X2012-05-01270000110.1051/epjconf/20122700001Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and MultiplicitiesPrinja AnilRising MikeKawano ToshihikoTalou PatrickUncertainties associated with evaluated average prompt fission neutron spectra and multiplicities are obtained for a suite of actinides in the Los Alamos model formalism. Systematics for the model input parameters are taken from the literature and used as prior values in a Bayesian updating procedure. Posterior systematics as well as associated posterior uncertainties are inferred. In addition, cross-isotope correlations are evaluated for the first time. The quantification of uncertainties associated with advanced Monte Carlo Hauser-Feshbach calculations of prompt fission neutron spectra is also discussed.http://dx.doi.org/10.1051/epjconf/20122700001
spellingShingle Prinja Anil
Rising Mike
Kawano Toshihiko
Talou Patrick
Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities
EPJ Web of Conferences
title Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities
title_full Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities
title_fullStr Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities
title_full_unstemmed Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities
title_short Systematic Quantification of Uncertainties for Evaluated Prompt Fission Neutron Spectra and Multiplicities
title_sort systematic quantification of uncertainties for evaluated prompt fission neutron spectra and multiplicities
url http://dx.doi.org/10.1051/epjconf/20122700001
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AT risingmike systematicquantificationofuncertaintiesforevaluatedpromptfissionneutronspectraandmultiplicities
AT kawanotoshihiko systematicquantificationofuncertaintiesforevaluatedpromptfissionneutronspectraandmultiplicities
AT taloupatrick systematicquantificationofuncertaintiesforevaluatedpromptfissionneutronspectraandmultiplicities