Effect of rotation on vibrational excitation of H2 by Li+ impact
โ Scribed by Joachim Schaefer; William A. Lester Jr.
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 438 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Coupled channel calculations of integral cross sections for rotational and vibrational escitation of Hz(X' "3 by collsion with Li+ are reported for 1.2 eV in the cm. system employing an ab initio potential energy surface and numerical vibration-rotation functions of the Kotos-Wolniewicz potehtial function including adiabatic correction.
Pure rotational excitation is found to strongly dominate the inelastic scattering occurring at this energy. Preparation of Hz in various allowed non-zero rotational states is seen to enhance the 0 + 1 vibrational cross section by approsirnately an order of magnitude.
๐ SIMILAR VOLUMES
Calculations are reported on the rotational transitions J--r J' = J. J\* 2, J = 0, \_ \_ . , 3 of H2, with the simultaneous excitation of a vibrational quantum, in the scattering of a SLOW electron. The method is based on the quantum mechanical impulse approximation, which neglects the kinetic ener
We examine the mass dependence of cross sections for resonant vibrational excitation by electron impact (from z+ to ur) in H2 and its isotopes. Excitation cross sections, for both inelastic and superelastic collisions, using numerical potential curves in a nonlocal resonance theory are presented and