A Common Optical Potential for 4He+12C at Intermediate Energies
Abstract
A common optical potential for 4He+12C at intermediate bombarding energies, which is essential in analyzing exotic nuclei with 4He clusters, was obtained based on the S\~ao Paulo potential (SPP). Among systematic optical potentials for 4He+12C, this potential has the merit of using a fixed imaginary part of Woods-Saxon form. By optical-model calculations, this potential reproduced the experimental elastic scattering angular distributions of 4He+12C well within the energy range of 26\,A--60\,A MeV. It was also applied successfully in calculations of the breakup reactions of 6Li+12C and 6He+12C with a three-body continuum discretized coupled-channels method.
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