Abstract

An optical-model analysis of 19 deuteron elastic-scattering angular distributions in the energy range from 12 to 26 MeV was performed both with and without a spin-orbit term included in the potential. The spin-orbit potential was of the Thomas form which had been found satisfactory for fitting the measured deuteron elastic polarization. Including the spin-orbit term always resulted in an improvement in the quality of the fits. Without the spin-orbit term, various families of potentials fitted the data equally well, but when the spin-orbit potential was added the various families were no longer equivalent in many cases. The deuteron optical-model potential which most closely approximates the sum of the neutron and proton optical-model potentials was found to give the most consistently satisfactory results for all the angular distributions.

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