Nuclear Data Evaluation for Jendl Acthwh)e File and High Energy Data Files

Evaluation of nuclear data for JENDL Actinide File and High Energy Files is now in progress. JENDL Actinide File will contain evaluated nuclear data for 89 nuclides horn 208 = to '5Fm including main fissile and fertile nuclides. The data are evaluated in the neutron energy region from 10' 5 eV to 20 MeV, by widely using theoretical calculations and systematic of parameters and cross sections. Evaluation of high-energy neutron and charged particle nuclear data has been initiated to make high energy data files of nuclides related to an accelerator–driven spallation system and a neutron irradiation facility of ESNIT. So far, the evaluation of neutron and proton-induced reaction data of 27AI, Pb and 20gBi has been finished up to 1.0 GeV by mainly using the ALICE-F code and associated programs based on systematic. This paper describes their evaluation methods and status of these files.

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