Abstract
A theoretical study is presented of the dynamics of resonant electron scattering from N2–Ar and N2–Ar2 van der Waals clusters. Using the results of quantum electron-molecule scattering calculations we analyze the effects of adjacent Ar atoms on the width and position of the low-energy Πg2 electron-scattering resonance of N2. The results indicate that the presence of the Ar atoms leads to positive energy shifts and an increase in the width of the resonance. The magnitude of these changes depended on the orientation of N2 relative to the Ar atoms and on the number of Ar atoms. Additionally, in some arrangements, the degenerate Πg2 resonance was split into two distinct resonances. Implications for electron scattering from N2 adsorbed on solid Ar surfaces are also discussed.
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