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Line profile study of transitions in the 30012 ← 00001 and 30013 ← 00001 bands of carbon dioxide perturbed by air

par Predoi-Cross, Adriana;Liu, Wingki;Holladay, Christopher;Unni, Anildev;Schofield, Ian;McKellar, Robert;Hurtmans, Daniel
Référence Journal of Molecular Spectroscopy, 246, 1, page (98-112)
Publication Publié, 2007-11

Article révisé par les pairs

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Résumé :

In this work we present a line profile study for air-broadened carbon dioxide transitions in the 30012 ← 00001 and 30013 ← 00001 vibrational bands. The room temperature spectra were recorded at a resolution of 0.008 cm-1 using a Fourier Transform spectrometer. The air-broadening, air-shift, and air-line mixing coefficients were derived from a simultaneous fitting of spectra using the Voigt model and a Speed-Dependent Voigt lineshape model. The results obtained are consistent with other studies in addition to the theoretically calculated values. Exponential Power Gap (EPG) and Energy Corrected Sudden (ECS) scaling laws were used to calculate the relaxation matrix elements. © 2007 Elsevier Inc. All rights reserved.