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Vol. 28, issue 08, article # 1

Dudaryonok A. S., Lavrentieva N. N., Ma Q. Averaged energy difference method of calculation of asymmetric top line broadening. // Optika Atmosfery i Okeana. 2015. V. 28. No. 08. P. 675-681. DOI: 10.15372/AOO20150801 [in Russian].
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Abstract:

The new method of calculation of rotation-vibration line broadening of asymmetric tops is proposed. The application of this method allows one to obtain the linewidths having been based on some empirical data without complicated calculations. Using experimental data a vibrational dependence of averaged energy difference is deduced. The approach was used for calculation of H2O and HDO lines broadening. Comparisons of the theoretical line shape parameters with the experimental values in different absorption bands are made.

Keywords:

the averaged energy difference method, collisional transition, line broadening coefficient

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