The Interaction of 0.15- to 1.0-Mev Neutrons with U-238, U-235, and Pu-239

The differential elastic scattering, total elastic scattering, and elastic transport cross sections for U²³⁸, U²³⁵, and Pu²³⁹ for 0.5- and 1.0-Mev neutrons are presented. The nonelastic reaction cross sections are given for these three materials for neutron energies of 0.25, 0.5, and 1.0 Mev and in addition for U²³⁸ for 0.15-Mev neutrons. The inelastic scattering cross sections for the excitation of the two lowest levels in U²³⁸ are also presented for neutron energies of 0.15, 0.25, and 0.5 Mev.