Aiming at a nuclear data library leading the world; Nuclear data research activity and nuclear data division

Igashira, Masayuki*; Baba, Mamoru*; Watanabe, Yukinobu*; Katakura, Junichi; Suyama, Kenya

The nuclear data library is required for the research and development of the nuclear energy. The requirements include not only safety improvements associated with high burnup of light water reactors, utilization of MOX fuels, and criticality safety control implementation of burnup credit and so on, but also research and development of innovative nuclear power system such as nuclear transmutation with the ADS; these requirements demand high precision data for the nuclear cross sections of minor actinides and fission product nuclides, and for the fission yields. The most important users of the nuclear data will still be those in the nuclear energy field. Moreover, for those users in the fields of radiation application and radiological engineering, nuclear data are required to be expanded in quantity and upgraded in quality. In the globalization trend of nuclear power industries, the international standard of nuclear data library is anticipated. In order to reflect the technology developed by Japan in the international standard, we should have our own nuclear data library leading the world.