Abstract
The elastic angular distribution for the reaction16O+28Si is calculated for the bombarding energiesEc.m.=21.1 MeV and 22.7 MeV. The imaginary part of the ion-ion potential due to transfer reactions is calculated by making use of microscopic form factors. The depopulation of the entrance channel due to Coulomb excitation and inelastic processes is treated within the coupled-channel framework. By making use of a standard folding expression for the real part of the ion-ion potential the main features of the backward rise of the angular distribution are reproduced. Detailed agreement is obtained by introducing a very-short-range absorption and adjusting slightly the strength of the real potential.
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