Atomic-orbital-expansion studies of electron transfer in bare-nucleusZ(Z=2,4−8)—hydrogen-atom collisions

Abstract

The atomic-orbital-expansion description has been employed in calculations of electron transfer in ${}_Z{}^{}{}_{}{}^{}X_{}^{Z+}{}_{}{}^{}+\mathrm{H}$ collisions ($Z=2,4-8\mathrm{}$) in the energy range 0.1-30 keV/amu. Total transfer cross sections have been determined as well as partial cross sections for transfer into individual $n,l$ subshells of the projectile. Results are compared to those derived with other methods and to available experimental data. Generally, qualitative agreement is found between results of the present study and those calculated with other close-coupling schemes. Quantitatively good agreement is found in cases where other studies based on large-scale computations are available, i.e., for ${\mathrm{C}}^{6+}$ +H and ${\mathrm{O}}^{8+}$ +H collisions. But even in these cases, the results from the most involved calculations appear to have converged towards each other for the dominant partial cross sections only.