The triple differential cross-sections for the ionization of atomic hydrogen by fast electrons are considered in the case of a coplanar symmetric energy-sharing geometry. They are estimated in the modified Glauber (MG) approximation. It is found that MG results are significantly different from those in the second Born approximation only for 90°⩽ϑ⩽110°. Outside this range they are almost identical.
Volume 96, 2022
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