Computer Science
Scientific paper
May 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974phdt.........6s&link_type=abstract
Ph.D. Thesis State Univ. of New York, Stony Brook.
Computer Science
Atmospheric Temperature, Gas Dynamics, Infrared Spectra, Line Spectra, Planetary Composition, Line Shape, Lorentz Gas, Planetary Atmospheres
Scientific paper
Intensities and half-widths of the lines R(0), R(1), and R(2) in the upsilon3-fundamental of (CH4)-12 were measured at various temperatures between 82 K and 295 K. Lorentz half-widths are presented for broadening by hydrogen and by helium and in self-broadening. The dependence of line intensities and width upon temperature is determined, and integrated intensities of certain multiplets were measured. Comparison of this data with theoretical line strengths confirms, at all the temperatures measured, the intensity anomalies observed by Margolis for lines in this band. High resolution measurements were performed on several CO2-broadened lines in the fundamentals of HCl35 and HCl37. Line intensities, and shapes were determined at room temperature. Half-widths in HCl-CO2 and HF-CO2 collisions were computed for several temperatures employing Anderson's theory. The measured shapes of HCl lines broadened by CO2 are described by a semi-empirical super-Lorentzian line shape. Collision-broadened line widths in CO-CO2 and CO-O2 collisions were calculated by incorporating interactions due to octopoles and hexadecapoles and short-range repulsive interactions into Anderson's theory.
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