Proton-impact-ionization cross sections for argon which are differential in the energy and angle of the ejected electron have been calculated within the framework of the Born approximation using both Hartree-Slater and Hartree-Fock wave functions for the ejected electron. Results of the two types of calculations are compared with each other and with experiment. Differential cross sections for all five sub shells of argon are examined and particular attention is given to some interesting features of the K-shell cross sections. The range of applicability of the theoretical models is discussed.
D. H. Madison and S. T. Manson, "Doubly Differential Cross Sections for Proton-Impact Ionization of Argon," Physical Review A - Atomic, Molecular, and Optical Physics, vol. 20, no. 3, pp. 825-833, American Physical Society (APS), Sep 1979.
The definitive version is available at https://doi.org/10.1103/PhysRevA.20.825
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© 1979 American Physical Society (APS), All rights reserved.