Molecular Physics Department, Stanford Research Institute, Menlo Park, California 94025, USA
Abstract:
Elastic differential scattering measurements have been performed on Ar+ + Ar and Xe+ + Xe. The rainbow scattering angle is found at τ = Eθ ≈ 115 eV deg for Ar+2 and τ ≈ 93 eV deg for Xe+2. These data are consistent with a potential well depth of 1.25 eV for Ar+2 and 0.97 eV for Xe+2.