Japanese Evaluated Nuclear Data Library Version 3 Revision-3: JENDL-3.3

Evaluation for JENDL-3.3 has been performed by considering the accumulated feedback information and various benchmark tests of the previous library JENDL-3.2. The major problems of the JENDL-3.2 data were solved by the new library: overestimation of criticality values for thermal fission reactors wa...

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Bibliographic Details
Published in:Journal of nuclear science and technology 2002-11, Vol.39 (11), p.1125-1136
Main Authors: SHIBATA, Keiichi, KAWANO, Toshihiko, NAKAGAWA, Tsuneo, IWAMOTO, Osamu, KATAKURA, Jun-ichi, FUKAHORI, Tokio, CHIBA, Satoshi, HASEGAWA, Akira, MURATA, Toru, MATSUNOBU, Hiroyuki, OHSAWA, Takaaki, NAKAJIMA, Yutaka, YOSHIDA, Tadashi, ZUKERAN, Atsushi, KAWAI, Masayoshi, BABA, Mamoru, ISHIKAWA, Makoto, ASAMI, Tetsuo, WATANABE, Takashi, WATANABE, Yukinobu, IGASHIRA, Masayuki, YAMAMURO, Nobuhiro, KITAZAWA, Hideo, YAMANO, Naoki, TAKANO, Hideki
Format: Article
Language:English
Subjects:
benchmark
covariance
criticality
cross section
evaluation
Exact sciences and technology
JENDL-3.3
Neutron physics
nuclear data
Nuclear engineering and nuclear power studies
Nuclear physics
Physics
reliability
resonance
shielding
spectrum
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Summary:Evaluation for JENDL-3.3 has been performed by considering the accumulated feedback information and various benchmark tests of the previous library JENDL-3.2. The major problems of the JENDL-3.2 data were solved by the new library: overestimation of criticality values for thermal fission reactors was improved by the modifications of fission cross sections and fission neutron spectra for 235 U; incorrect energy distributions of secondary neutrons from important heavy nuclides were replaced with statistical model calculations; the inconsistency between elemental and isotopic evaluations was removed for medium-heavy nuclides. Moreover, covariance data were provided for 20 nuclides. The reliability of JENDL-3.3 was investigated by the benchmark analyses on reactor and shielding performances. The results of the analyses indicate that JENDL-3.3 predicts various reactor and shielding characteristics better than JENDL- 3.2.
ISSN:0022-3131
1881-1248
DOI:10.1080/18811248.2002.9715303