Rotational excitation in two-center Coulomb-scattering systems: Application to electron-molecule collisions
- Department of Chemistry, University of Durham, South Road, Durham DH13LE (United Kingdom)
- Fachbereich Physik, Universitaet Kaiserslautern, D-67653 Kaiserslautern (Germany)
Rotational excitation in electron--diatomic-molecule collisions at intermediate collision energies ({similar_to}10{sup 2} eV) is discussed within a quantum-mechanical two-center model using a Coulomb-scattering approximation. Rotational rainbow effects are discussed, in particular for heteronuclear diatomic molecules. The model is applied to collisional excitation of HCl and CO as well as to the homonuclear cases N{sub 2} and Cl{sub 2}. The model predictions are compared with recent experimental results as well as with elaborate numerical computations for the homonuclear systems.
- OSTI ID:
- 85764
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 2 Vol. 52; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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