ACTIVITY REPORT OF JAPANESE NUCLEAR DATA COMMITTEE IN PERIOD OF APRIL 1983 TO MARCH 1985.

This is a progress report on the activities of the Japanese Nuclear Data Committee (JNDC) in the period of April 1983 to March 1985. Special topics are presented on improvements of the nuclear data evaluation methodology, on the study of nuclear model parameters, and on a development of the cross section sensitivity and adjustment code system. Application of the nuclear data to new fields such as fuel cycle and to medical science is also reported. Some tasks to promote the distribution and utilization of the Japanese Evaluated Nuclear Data Library (JENDL) are described.