Observation of collisional relaxation from HD v=5 and v=6 by direct overtone pumping and photoacoustic detection

Eric A. Rohlfing, Jack Gelfand, Richard B. Miles, Herschel Rabitz

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

We present here the first detailed measurement on the mechanism of collisional relaxation from the upper vibrational states of HD. Preliminary results are given in which we have measured collisional relaxation following the direct overtone pumping of HD into v=5 and v=6 with a pulsed visible wavelength dye laser. These time-resolved photoacoustic data indicate that the vibrational to transitional (V-T) and vibrational to vibrational (V-V) relaxation rates for collisions with ground state molecules become equal near v=5.

Original languageEnglish (US)
Pages (from-to)4893-4896
Number of pages4
JournalThe Journal of chemical physics
Volume75
Issue number10
DOIs
StatePublished - Jan 1 1981

All Science Journal Classification (ASJC) codes

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

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