TITLE

Rotational relaxation in a free expansion of HCl

AUTHOR(S)
Rudich, Y.; Gordon, R. J.; Nikitin, E. E.; Naaman, R.
PUB. DATE
March 1992
SOURCE
Journal of Chemical Physics;3/15/1992, Vol. 96 Issue 6, p4423
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The rotational relaxation of HCl in a free jet expansion was studied in a pump-and-probe experiment using infrared laser excitation and resonant multiphoton ionization detection. Rate constants were determined for various J to J’ energy transfer processes in the vibrationally excited molecule. There is a strong indication that the rotational energy transfer occurs via a near-resonant dipole–dipole interaction between vibrationally excited and vibrationally cold HCl molecules.
ACCESSION #
7642650

 

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