Rotational relaxation rates in HF and Ar-HF from the direct inversion of pressure broadened linewidths

Joseph J. BelBruno, Jack Gelfand, Herschel Rabitz

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Self- and argon-broadened HF linewidths have been inverted to obtain state-to-state rate constants using the energy corrected sudden (ECS) scaling theory inversion procedure. Both rotation-translation and rotation-rotation rates are presented as a function of vibrational level. We find that rotation-rotation processes are dominant for relaxation in pure HF and that these processes decrease with increasing vibrational excitation of one of the collision partners. We also find that the contribution of rotation-translation mechanisms increases with increasing vibrational excitation.

Original languageEnglish (US)
Pages (from-to)4927-4933
Number of pages7
JournalThe Journal of chemical physics
Volume75
Issue number10
DOIs
StatePublished - 1981

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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