International Conference on Nuclear Data for Science and Technology 2010
J. Korean Phys. Soc. 59, 1034-1039
Paper ID: ND-1156
DOI: 10.3938/jkps.59.1034
PACS: 25.40.-h, 24.10.-i
Development of ENDF/B-VII.1 and Its Covariance Component
M. Herman1
1 National Nuclear Data Center, Brookhaven National Laboratory, Upton, NY 11793, USA
Abstract
The US nuclear data community, coordinated by CSEWG, is preparing release of the ENDF/B-VII.1 library. This new release will address deficiencies identified in ENDF/B-VII.0, include improved evaluations for some 50-60 materials and provide covariances for more than 110 materials. The major players in this undertaking are LANL, BNL, ORNL, and LLNL. We summarize deficiencies in the ENDF/B-VII.0 and outline development of the new library. We concentrate on the BNL activities which aim in providing covariances for the materials important for the design of the innovative reactors. Finally we outline a futuristic approach, known as assimilation that tries to link nuclear reaction theory and integral experiments.
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