Report of activities of the Japanese Nuclear Data Committee, April 1973 to March 1975

A progress report of the Japanese Nuclear Data Committee for the period of April 1, 1973 to March 31, 1975 is presented with emphasis on the topics of fission product nuclear data. Activities of the working groups on evaluation of nuclear data, fast fission product nuclear data, data retrieval system, thermal neutron scattering, nuclear data for fusion reactors, fast fission product group constants, fast reactor group constants, thermal reactor group constants, nuclear data for safeguards techniques, evaluation of decay heat, and on Japanese Evaluated Nuclear Data Library are also reported briefly. (auth.)