Abstract
A new theoretical approach is used to calculate the triple differential ionization cross-sections for atoms and molecules by electron impact. In a former study by Houamer et al (2017 Eur. Phys. J. D 71 17), which accounted for the post-collision interaction, the short-range potential and the distortion effects of the ejected electron were separately considered. Here, we present an improved description regarding the dynamics of the (e,2e) reaction, where the distortion effects and the short-range potential are simultaneously taken into account. The method is applied for specific atoms and molecules, and the results are compared to available experiments and other theories performed in coplanar asymmetric geometries.
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