Abstract
The electron capture and excitation processes in collisions of He+-Li are investigated theoretically by using the two-center atomic orbital close-coupling method in the energy range 0.1–100 keV u−1. The interaction of active electrons with the projectile ion is represented by a model potential different for the singlet and triplet systems of He states. The spin-averaged electron capture cross section of present calculations is compared with the available experimental data and with the results of other theoretical calculations and good agreement is obtained in the overlapping energy range. It is found that the cross sections for electron capture to singlet and triplet states of He are significantly different for energies below 5 keV u−1. However, the spin-resolved He+-Li interactions do not affect the excitation cross sections considerably.
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