Diode-laser measurements of O2-broadening coefficients in the ν3 band of CH3D

J.-P. Bouanich, K. Jacquiez, G. Blanquet, J. Walrand

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O-broadening coefficients have been measured for 29 lines of CHD in the P and R branches of the ν band, using a tunable diode-laser spectrometer. The collisional widths obtained by fitting Rautian profiles to the measured shapes of the lines are significantly larger than those derived from Voigt profiles. A comparison is made with results calculated from a semiclassical impact theory of collisional broadening. In addition to the weak electrostatic contributions of the intermolecular potential, we have considered a simple formalism for the other anisotropic interactions.
langue originaleAnglais
Pages (de - à)386-389
Nombre de pages4
journalJournal of molecular spectroscopy
Numéro de publication2
Les DOIs
Etat de la publicationPublié - 1 févr. 1996

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