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Proceedings Paper

Analysis of the impact shifts of vib-rotational lines of light rotators at high rotational quantum numbers
Author(s): J. V. Buldyreva; A. P. Kouzov
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Paper Abstract

The first- and second-order perturbation expressions for the imaginary part of the impact optical cross section for light linear tops at high Js are derived. In this range, the static terms due to V - R coupling are found to be predominant among the contributions to the vibrotational line shift. This opens a new way to deduce data on the vibrational dependence of the intermolecular potential from the experimental shifts of the fundamental and overtone lines. The theory is applied to HCl and HF perturbed by noble-gases and nitrogen. The derived overdetermined system of equations for the characteristics of the intermolecular potential is processed by the linear regression analysis. The results thus obtained are compared with the available potential models.

Paper Details

Date Published: 3 March 1997
PDF: 5 pages
Proc. SPIE 3090, 12th Symposium and School on High-Resolution Molecular Spectroscopy, (3 March 1997); doi: 10.1117/12.267780
Show Author Affiliations
J. V. Buldyreva, St. Petersburg State Univ. (Russia)
A. P. Kouzov, St. Petersburg State Univ. (Russia)


Published in SPIE Proceedings Vol. 3090:
12th Symposium and School on High-Resolution Molecular Spectroscopy
Leonid N. Sinitsa; Yurii N. Ponomarev; Valery I. Perevalov, Editor(s)

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