Ionization of 0.5-MeV H by Ar and a comparison with theH−/Ar system

Abstract
Doubly differential cross sections (DDCS) and the complete angular distributions of electrons released in projectile ionization of H and H by Ar are compared. These experimental cross sections are also compared to calculations using an elastic scattering model. The angular dependence of the shapes and the peak energies of the DDCS are shown for both systems.