Triple differential cross section for the ionization of Ar(3p) by low-energy electron impact in the coplanar asymmetric geometry

Abstract

(e, 2e) triple differential cross sections for the ionization of Ar (3p) by 70.8 eV electron impact are calculated in the coplanar asymmetric geometry using the modified distorted-wave Born approximation, and compared with the recent experimental data of Ren et al. [Ren et al. 2012 Phys. Rev. A 85 032702]. The results show that electron exchange effect and post-collision interaction play an important role in the (e, 2e) process of low-energy electron impact.