Journal
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
Volume 59, Issue 2, Pages 839-842Publisher
KOREAN PHYSICAL SOC
DOI: 10.3938/jkps.59.839
Keywords
Nuclear data; Actinides; Covariances
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With regard to the Advanced Fuel Cycle (AFC) design and safeguard applications as well as the design of new generation of nuclear reactors (GEN-IV), new nuclear evaluated data for Minor Actinides (MA) with covariances have been increasingly recognized. In response to this situation, we identified priority nuclides that needed the improved nuclear data with covariances for AFC design and produced the preliminary nuclear data evaluation files for Cm240-250 with half-lives over than 1-day in neutron energy range from above resonance region to 20 MeV. All evaluations in this region were performed with the EMPIRE code with consistent sets of model parameters. The sensitivity matrices by variations of model parameters together with the available measurements were used to produce the covariance matrices through the KALMAN filtering implemented in the EMPIRE code.
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