Analysis of the collision-induced absorption spectra of H2 in H2N2 in the range 56009500 cm1
Identifieur interne : 001448 ( Main/Exploration ); précédent : 001447; suivant : 001449Analysis of the collision-induced absorption spectra of H2 in H2N2 in the range 56009500 cm1
Auteurs : M. Abu-Kharma [Jordanie]Source :
- Journal of Physics B: Atomic, Molecular and Optical Physics [ 0953-4075 ] ; 2007.
English descriptors
- Teeft :
- Absorption spectra, Amagat, Base densities, Base density, Binary, Binary mixtures, Double vibrational transitions, Enhancement, Enhancement absorption, Fundamental band, High wavenumber wing, Infrared absorption, Lineshape, Lineshape function, Lineshape parameters, Partial densities, Peak number, Phys, Quadrupolar, Quadrupolar components, Quadrupolar transitions, Range amagat, Reddy, Solid curve, Vibrational, Wavenumber.
Abstract
Enhancement spectra of the collision-induced absorption (CIA) of H2 in the region 56009500 cm1 in binary H2N2 mixtures were investigated at room temperature for base densities of H2 in the range 89145 amagat and for partial densities of N2 in the range 30350 amagat. Enhancement absorption profiles of H2N2 in the investigated region consist of the superposition of two main parts, the first part is formed of quadrupolar double transitions of the type X1(J) X1(J) in the range 56008500 cm1 and the second formed of quadrupolar single transitions of the type X2(J) X0(J) from 7500 to 9500 cm1, where X is an O(J 2), Q(J 0) or S(J 2) transition. The BirnbaumCohen lineshape function was found to give satisfactory fits of the synthetic profiles to the experimental profiles. Lineshape function parameters obtained from the analysis are given.
Url:
DOI: 10.1088/0953-4075/40/12/010
Affiliations:
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