Re-evaluation of Nuclear Data of Fission Product Nuclides for JENDL-3.2

Abstract

Re-evaluation was performed for the neutron-induced reaction data of fission product nuclides compiled in the Japanese Evaluated Nuclear Data Library, JENDL-3.1. The nuclides whose data were re-evaluated are 63 nuclides from ⁷⁵As to ¹⁵⁵Eu. Main quantities revised are the resonance parameters, capture cross sections and inelastic scattering cross sections. As the results of re-evaluation, the thermal neutron capture cross sections, the resonance integrals and the capture cross sections in the keV region were largely improved. The evaluated data cover the neutron energy region from 10∼⁵ eV to 20MeV. The present results have been adopted to JENDL-3.2.

KEYWORDS:

• JENDL-3.2
• fission product nuclides
• evaluations
• neutron-induced reaction data
• neutron energy range 10^_5 eV-20MeV
• cross sections
• resonance parameters
• resonance integrals
• nuclear data
• evaluated data