Neutron scattering cross section measurements forFe56

Abstract

Elastic and inelastic differential cross sections for neutron scattering from $^{56}\mathrm{Fe}$ have been measured for several incident energies from 1.30 to 7.96 MeV at the University of Kentucky Accelerator Laboratory. Scattered neutrons were detected using a ${\mathrm{C}}_{6}{\mathrm{D}}_{6}$ liquid scintillation detector using pulse-shape discrimination and time-of-flight techniques. The deduced cross sections have been compared with previously reported data, predictions from evaluation databases ENDF, JENDL, and JEFF, and theoretical calculations performed using different optical model potentials using the talys and empire nuclear reaction codes. The coupled-channel calculations based on the vibrational and soft-rotor models are found to describe the experimental ($n,{n}_{0}$) and ($n,{n}_{1}$) cross sections well.