Self-broadening coefficients in the ν4 band of CH4 by diode-laser spectroscopy

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Résumé

With a diode-laser spectrometer, we have measured self-broadening coefficients of 42 lines of the P-, Q- and R-branches in the ν fundamental band of CH at room temperature, with J values ranging between 1 and 12. For the determination of self-broadening parameters, we have fitted to the experimental lineshape two theoretical line profiles: the Voigt profile taking into account Doppler and collisional broadenings, and the hard collision model developed by Rautian and Sobel'man incorporating Dicke narrowing.
langue originaleAnglais
Pages (de - à)193-199
Nombre de pages7
journalJournal of molecular spectroscopy
Volume238
Numéro de publication2
Les DOIs
Etat de la publicationPublié - 1 août 2006

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