EXACT TRAJECTORY IN SEMICLASSICAL LINE BROADENING AND LINE SHIFTING CALCULATION TEST FOR H 2–He Q(1) LINE

The semiclassical model RB (Robert, D. and Bonamy, J. ( Journal de Physique (Paris), 1979, 40, 923 for calculation of line width and line shift has been used in many applications. It contains an approximate “parabolic” trajectory. Bykov, A.D. et al, Atmospheric and Oceanic Optics (1992) 5, 587, have...

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Bibliographic Details
Published inJournal of quantitative spectroscopy & radiative transfer Vol. 61; no. 1; pp. 19 - 24
Main Authors JOUBERT, P., BONAMY, J., ROBERT, D.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 1999
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Summary:The semiclassical model RB (Robert, D. and Bonamy, J. ( Journal de Physique (Paris), 1979, 40, 923 for calculation of line width and line shift has been used in many applications. It contains an approximate “parabolic” trajectory. Bykov, A.D. et al, Atmospheric and Oceanic Optics (1992) 5, 587, have recently proposed an analytical expression for an exact treatment of the classical path. This paper analyses the consequence of introducing the exact trajectory within the RB model for the H 2–He Q(1) line chosen as a simple test. Moreover, a comparison with results of exact close-coupling calculations is also given for this molecular system.
ISSN:0022-4073
1879-1352
DOI:10.1016/S0022-4073(97)00187-8