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Thermal reactor benchmark integral results for JEF-1 ENDF/B-V, and ENDF/B-VI nuclear data

Conference · · Transactions of the American Nuclear Society; (United States)
OSTI ID:7091275
The fifth version of the Evaluated Nuclear Data File (ENDF/B-V) was released in 1979, with a significant updating in 1981. This file was limited to users in the US and with Atomic Energy of Canada Limited. The first version of the Joint Evaluated File (JEF-1), created by collaboration among laboratories in Europe and Japan and the Nuclear Energy Agency Data Bank, was released in 1986; this file was not available in the US. The sixth version of ENDF/B is in preparation (ENDF/B-VI). This file will be available to all requestors. From comparisons of various calculated and measured values, it appears that the ENDF/B-V library constitutes a very good data base for LWR analysis. Thus, there is considerable interest in a comparison of thermal lattice integral parameters calculated with JEF-1 and ENDF/B-V; such comparisons have been made. However, in all such comparisons known to the authors, the calculations with the two data sets were performed at two different US and European laboratories with different codes. Such comparisons have a degree of uncertainty concerning the performance of the two evaluated files. In the joint investigations at the Georgia Institute of Technology and the Paul Scherrer Institute, such uncertainty in the comparison discussed above was eliminated by using the same cross-section processing codes and cell codes of the PSI light water reactor (LWR) code system ELCOS and identical code input at both installations. An additional features of this study is an investigation of the influence on calculated LWR parameters of the ENDF/B-VI modifications to the data for H[sub 2]O constituents.
OSTI ID:
7091275
Report Number(s):
CONF-901101--
Conference Information:
Journal Name: Transactions of the American Nuclear Society; (United States) Journal Volume: 62
Country of Publication:
United States
Language:
English

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