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...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2012-05-01
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| Series: | EPJ Web of Conferences |
| Online Access: | http://dx.doi.org/10.1051/epjconf/20122700001 |
| _version_ | 1831667010799403008 |
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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. |
| first_indexed | 2024-12-19T20:03:56Z |
| format | Article |
| id | doaj.art-7e65e2fab9e94f12af660252a6b4e2d3 |
| institution | Directory Open Access Journal |
| issn | 2100-014X |
| language | English |
| last_indexed | 2024-12-19T20:03:56Z |
| publishDate | 2012-05-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| 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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