Measurements of argon-, helium-, hydrogen-, and nitrogen-broadened widths of methane lines near 9000 per cm

Details Measurements of argon-, helium-, hydrogen-, and nitrogen-broadened widths of methane lines near 9000 per cm Measurements of argon-, helium-, hydrogen-, and nitrogen-broadened widths of methane lines near 9000 per cm

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jqsrt..39..473f&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer (ISSN 0022-4073), vol. 39, June 1988, p. 473-476.

Physics

33

Infrared Spectra, Methane, Pressure Broadening, Spectral Line Width, Vibrational Spectra, Ambient Temperature, Argon, Fourier Transformation, Helium, Hydrogen, Line Spectra, Nitrogen, Planetary Atmospheres, Spectral Resolution

Scientific paper

Pressure-broadened widths of rotational-vibrational lines in CH4 have been measured at very high spectral resolution in the R-branch of the 3nu3 overtone. The broadening gases were Ar, He, H2, and N2. Results are presented as averages for J-multiplets at ambient temperature. The overall values (per cm per atm) for these R-branch lines are 0.0651 (CH4-Ar), 0.0508 (CH4-He), 0.0728 (CH4-H2), and 0.0715 (CH4-N2).

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