Abstract
An binary encounter approximation is formulated for the direct (without any excitation of autoionization levels) double ionization of atoms and ions by electron impacts. Analytical expressions are derived for the cross section, which qualitatively represent the main dependences on the incident electron energy and atomic parameters.
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Original Russian Text © I.L. Beigman, 2006, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2006, Vol. 129, No. 4, pp. 659–663.
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Beigman, I.L. Binary encounter approximation for the electron-impact double ionization cross section of atoms and ions. J. Exp. Theor. Phys. 102, 577–581 (2006). https://doi.org/10.1134/S1063776106040078
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DOI: https://doi.org/10.1134/S1063776106040078