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dc.creatorPicard-Bersellini, A.en_US
dc.creatorCharneau, R.en_US
dc.creatorBrechignac, Ph.en_US
dc.date.accessioned2006-06-15T14:34:09Z
dc.date.available2006-06-15T14:34:09Z
dc.date.issued1980en_US
dc.identifier1980-TA-9en_US
dc.identifier.urihttp://hdl.handle.net/1811/11339
dc.description1-Ph. Brechignac, A. Picard-Bersellini, R. Charneau and J. M. Launay, Chem. Phys, (to be published) 2-Kraemer, Internat. Symposium on Molecular Beams (1979), and private comm.en_US
dc.descriptionAuthor Institution:en_US
dc.description.abstractLow temperature studies of the pressure-broadening of infrared lines is limited by the smallness of the vapor pressure of most compounds when cooled, resulting in an absorption spectrum made of sharp lines, whose widths are difficult to measure. The very high resolution of the tunable diode lasers makes this kind of measurements feasible. Using a newly designed liquid-nitrogen-cooled absorption cell, the collision-broadening of $CO(v=1\leftarrow 0)$ infrared lines has been investigated, when perturbed by molecular $H_{2}$ and the light noble gases He, Ne. $CO-H_{2}$ results will be discussed in connection to previous double resonance measurements and calculations of inelastic cross $sections^{(1)}$, as well as astrophysical implications. CO-He results will be compared to the cross sections derived from a recently obtained high accuracy ab initio potential energy $surface^{(2)}$ by close-coupling calculations.en_US
dc.format.extent132864 bytes
dc.format.mimetypeimage/jpeg
dc.language.isoEnglishen_US
dc.publisherOhio State Universityen_US
dc.titleLOW TEMPERATURE MEASUREMENTS OF PRESSURE BROADENING IN $CO(v=1\leftarrow 0)$ USING A TUNABLE DIODE LASERen_US
dc.typearticleen_US


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