Abstract

Absolute differential cross sections have been measured for the elastic scattering of protons from 23Na. Excitation functions were measured in 20 keV steps for incident proton energies from 8.0 to 12.0 MeV and at 23 different angles. Average angular distributions every 0.5 MeV were obtained from smooth fits to the excitation functions; these were analysed using the optical-model and Hauser-Feshbach theories. The variations with energy of the optical-model potentials, the compound-nucleus reduction factor and the amount of compound nucleus and direct reaction cross sections have been investigated. There is some evidence for the presence of intermediate structure in the compoind nucleus 24Mg.

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