Abstract
The elastic scattering of protons on Be and C atoms and of Be+ and C+ ions on hydrogen atoms is investigated using the multichannel quantal molecular orbital close-coupling method. The elastic, momentum transfer and viscosity cross sections, relevant to particle transport modelling, are calculated in the energy range 10−4 eV–10 keV. The corresponding charge transfer and target or projectile excitation cross sections are also calculated for comparison. The influence of channel couplings on the elastic processes is analysed. The molecular structure information required for the cross-section calculations was obtained by employing the multireference single- and double-excitation configuration interaction method.
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