Anharmonicity in rotational and vibrational excitation of H2 by Li+ collisions
โ Scribed by Joachim Schaefer; William A. Lester Jr.; Donald Kouri; Charles A. Wells
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 555 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0009-2614
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๐ SIMILAR VOLUMES
Relative rate constants for collision-induced rotational transitions of 6LiH, 7 Li\* and %i7Li\* have been measured. They exhibit large asymmetries &(+&it) -&(-AT) which depend .&ongly on the coilision partner, even as regards sign. Collision-induced vibrational de-excitation up to AL" -4 with a sim
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 fu
Classical tujectory calculations for a model of 12 scattering from a surface show that in hi~h-xtergy collisions the amount of translational energy trancferred to rotation geatlv exceeds the amount transferred to vibration\_ The sudden approximation is used to qualitative& interpret the results.
The information theoretic approach is used to analyse a series of quantum cross sections for the &-excitation of the n = 1 level of Hz and D2 by collisions with Li' and He. Surprisa! plots of the ratio of computed to prior cross sections show significant deviations from linearity over a wide range o