Ab initio molecular treatment of electron capture processes in the B2+ ++ H collision

Abstract

Ab initio potential energy curves and coupling matrix elements of the molecular states involved in the collision of the B 2+ multicharged ion on atomic hydrogen have been obtained by means of configuration interaction methods. The total and partial electron capture cross-sections for the B 2+/H system have been determined using a semi-classical method in the 0·1–190 keV laboratory energy range. The results show a strong effect due to rotational coupling. They improve markedly on previous theoretical work and are in general agreement with experimental data.