Abstract
An approximate integral form of the close-coupling formalism has been applied to the charge-transfer process in the proton-helium collision problem. Results for the ground-state capture cross section have been obtained with the inclusion of the effect of proton-nucleus interactions and compared with the available experimental and theoretical results. The present values of the capture cross section are in very good agreement with the experimental observations at high as well as intermediate incident energies. At low energies the nature of the experimental curve has been correctly reproduced. Results for the differential capture cross sections in the forward direction and the total elastic cross sections have also been reported.
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