Relaxation and Lineshape of the 500.4-GHz Line of Ozone Perturbed by N(2) and O(2).

摘要: N(2)- and O(2)-broadened linewidths of the J = 34(2,32) <-- 34(1,33) transition ozone located at 500.4 GHz have been measured three temperatures in 247-295 K range by using a video-type spectrometer. Besides Voigt profile commonly used as theoretical model for millimeter-wave investigations, different other lineshapes, speed-dependent profile, Galatry considered to analyze experimental spectra, retrieve pressure-broadening parameters, give an account pointed out line-narrowing effect. The results O(3) perturbed N(2) O(2) are finally compared calculations based on complex semiclassical theory Robert Bonamy, with previous reported values involving same kind transitions. Finally, it is shown that observed line narrowings result nearly exclusively from dependence relaxation molecular speeds. Copyright 2000 Academic Press.