-shell-hole production, multiple-hole production, charge transfer, and antisymmetry
- 1 January 1980
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 21 (1), 124-131
- https://doi.org/10.1103/physreva.21.124
Abstract
In calculating -shell-hole production when an ion collides with an atom, account must be taken of the fact that processes involving electrons other than the -shell electron can occur. For example, after making a -shell hole an -shell electron may be knocked into it, or an -shell vacancy may be produced and the -shell electron promoted to that vacancy in the "Fermi sea" of the target-atom orbitals. In 1973 a theorem was proved by one of the present authors demonstrating that all these multielectron processes cancel in an independent-particle model for the target atom. In this paper it is shown that the same thing occurs for hole production by charge transfer to the ion. The authors demonstrate that multihole production does not obey this simple rule and that the probability for multihole production is not the product of independent single-electron probabilities. The correct expressions that should be used for these processes are given, together with new results for charge-transfer processes accompanied by hole production.
Keywords
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