Abstract
The angular distributions of 14 MeV neutrons scattered on natural silicon, both elastically and inelastically to the first excited level, have been measured. The inelastically scattered neutrons were separated from the elastically scattered neutrons by a time-of-flight spectrometer which had time resolution of less than 1 ns. The cross sections were determined for 20 experimental points over the angular range 6.2° to 176.5°. The experimental data, corrected for compound-nucleus contributions, were analysed by the optical model, DWBA theory and the coupled-channel formalism. Special emphasis was put on the determination of the spin-orbit coupling potential parameters.
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