Neutron cross-sections of 242Pu in the energy range 5–20 MeV

The evaluation of neutron cross sections and angular distributions of 242Pu in the energy range 5±20 MeV was performed using the direct interaction treatment by coupled channel method and the compound nucleus mechanism (statistical model) taking account of pre- equilibrium e€ects. The calculated cross-sections are in very good agreement with the existing experimental data (total and ®ssion cross-sections). More accurate theoretical data have been obtained by the extension of procedures and parameterizations (previously used only for the main compound nucleus) in the incident neutron energy range where more compound nuclei are involved