Abstract
The averaged energy difference method has been applied to calculate the broadening coefficients of rotation vibration water vapor lines induced by helium pressure. The calculations have been performed for a wide range of rotational quantum numbers (the averaged energy difference method have been applied for J from 0 to 20, interpolation of the J-dependence have been used for J from 20 to 50) in the spectral range from 500 to 10000 cm-1. We compared the calculated H2O-He line broadening coefficients with the literature data, and a good agreement have been obtained. The temperature dependence for linewidths are calculated.
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