Gamma-ray production cross sections and spectra have been updated for the latest version of JENDL-3 (JENDL-3.2). Problems of g-ray production data contained in the previous version JENDL-3.1 were examined, and they have been mostly resolved in the present work. In the medium-heavy mass region, capture g-ray spectra for incident neutron energies below 10keV were re-calculated with the statistical model taking account of experimentally determined branching ratios for primary transitions. For natural elements, line gamma rays due to inelastic scattering were explicitly given in JENDL-3.2 up to several MeV. Capture cross sections of some light nuclides were evaluated by considering a p-wave capture behavior indicated by recent measurements. Gamma-ray production data for 66 nuclides have been compiled into JENDL-3.2 in the ENDF-6 format.
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