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Collisional transfer of rovibrational energy from quantum calculations. II. The case of LiH with He
Author(s) -
Gianturco F. A.,
Palma A.,
Lamanna V. T.,
Petrella G.
Publication year - 1985
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560280407
Subject(s) - rotational–vibrational spectroscopy , diatomic molecule , atomic physics , chemistry , range (aeronautics) , anisotropy , quantum , energy transfer , coupling (piping) , physics , excited state , molecule , quantum mechanics , materials science , organic chemistry , composite material , metallurgy
The collisional exchange of energy between He atoms and a strongly polar diatomic, the LiH target, has been studied theoretically over a range of relative energies that had been previously sampled by experiments with molecular beams. The relative importance of the rotational and/or vibrational channels is examined by studying in detail the effect of the interaction via a model potential coupling parameter. The different behavior exhibited by differential cross sections (total and partial inelastic) is also analyzed in terms of the strength and shape of the interaction anisotropy.