Electron impact excitations of S2 molecules
Abstract
Low-energy electron impact excitations of S2 molecules are studied using the fixed-bond R-matrix method based on state-averaged complete active space SCF orbitals. Integral cross sections are calculated for elastic electron collision as well as impact excitation of the 7 lowest excited electronic states. Also, differential cross sections are obtained for elastic collision and excitation of the a1 Deltag, b1 Sigmag+ and B3 Sigmau- states. The integrated cross section of optically allowed excitation of the B3 Sigmau- state agrees reasonably well with the available theoretical result.
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