Abstract
The nuclear data processing codes sometimes produce unphysical neutron KERMA factors and radiation damage cross sections, for example, a negative neutron KERMA factor. In order to improve neutron KERMA factors and radiation damage cross sections and provide more information for evaluators to improve nuclear data for these data calculation, it is necessary to investigate the reasons for the unphysical results. In this paper, the neutron KERMA factors and radiation damage cross sections are calculated based on CENDL-3.2, ENDF/B-VIII.0, JEFF-3.3 and FENDL-3.1d. The results calculated using different evaluated nuclear data libraries are investigated and the reasons for the unphysical results are specified. Meanwhile, effective solutions and practical suggestions are presented to obtain more reasonable results.
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