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YIN Yan-peng, GAO Hui, ZHENG Chun. Comparison and Validation of Different 235U Fast Fission Delayed Neutron Group Parameters[J]. Atomic Energy Science and Technology, 2011, 45(8): 955-959. DOI: 10.7538/yzk.2011.45.08.0955
Citation: YIN Yan-peng, GAO Hui, ZHENG Chun. Comparison and Validation of Different 235U Fast Fission Delayed Neutron Group Parameters[J]. Atomic Energy Science and Technology, 2011, 45(8): 955-959. DOI: 10.7538/yzk.2011.45.08.0955
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Comparison and Validation of Different 235U Fast Fission Delayed Neutron Group Parameters

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  • The differences between 235U fast fission delayed neutron group parameters in ENDF/B7, JEFF3.1, JENDL3.3, CENDL2.2 and Keepin datum were analyzed. The delayed neutron group parameters were validated by experiments on CFBR-Ⅱ. The Keepin delayed nutron group parameters are more accurate than delayed nutron group parameters in the primary nuclear databases. The eight-group delayed neutron parameters in JEEF 3.1 are better than six-group delayed neutron parameters in other databases.
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