Molecular-structure calculations using the pseudopotential method have been performed on the (ArHe)8+ system. The cross section for single-electron capture in Ar8++He collisions was calculated for energies from 20 eV to 10 keV/amu. The perturbed-stationary-state method [M. Kimura, H. Sato, and R. E. Olson, Phys. Rev. A 28, 2085 (1983)], modified to include electron translation factors appropriate to two-electron systems, was used. The total cross section is relatively energy independent with a value of approximately 2.5x10-15 cm2. The n=4 level of Ar7+ is found to be preferentially populated, with the 4f level being dominant. © 1985 The American Physical Society.
M. Kimura and R. E. Olson, "Electron Capture In Pseudo-two-electron Systems: Ar8++He," Physical Review A, vol. 31, no. 1, pp. 489 - 491, American Physical Society, Jan 1985.
The definitive version is available at https://doi.org/10.1103/PhysRevA.31.489
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01 Jan 1985