Abstract
Natural samples of In, Sn, Te, I and Hg have been used in a study of the scattering of 2.5 MeV neutrons. The scattered-neutron energy spectra were determined by unfolding the proton-recoil pulse-height spectra from NE 213 scintillation spectrometers. The parameters of the spherical optical model which gave the best fit to the elastic differential cross sections were found and used in Hauser-Feshbach calculations of the inelastic differential cross sections. Calculated inelastic cross sections were combined, with gaussian energy smearing to match the energy resolution of the detectors, for comparison with the measured data. Generally good agreement was obtained. Calculations were also based on 'global' and 'regional' optical-model parameter sets with results that are better in some cases than in others.
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