Abstract
In this work, we present a theoretical study of elastic and inelastic electron - collisions in the low and intermediate incident energy range. More specifically, we report differential and integral cross sections for the elastic scattering in the 5 to 80 eV range as well as the excitation cross sections for the transitions leading to the lowest and states in the 10 to 100 eV range. The Born-closure Schwinger variational method was applied for the elastic scatterings whereas the distorted-wave method was used to study the electron impact excitation processes. The calculations were carried out using the fixed-nuclear static-exchange approximation at the equilibrium geometry of the ground-state . The comparison between the calculated results and the available experimental data in the literature is encouraging. .
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