We studied the hyperfine components of the (J = 10-9, Kl= 9) rotational transition in the nu(6) = 1 excited vibrational state of CH3I, using collinear infrared and mm-wave radiations. The Doppler-free double-resonance technique allowed an accurate determination of the collisional broadening parameters for all the hyperfine components. An evident dependence on the F quantum number was observed and this result is perfectly consistent with a theoretical model allowing calculations of collisional broadening and coupling for the hyperfine components. (C) 2000 Academic Press.
Hyperfine level dependence of the pressure broadening of CH3I rotational transitions in the nu(6)=1 vibrational state
DI LIETO, ALBERTO;MINGUZZI, PAOLO;TONELLI, MAURO
2000-01-01
Abstract
We studied the hyperfine components of the (J = 10-9, Kl= 9) rotational transition in the nu(6) = 1 excited vibrational state of CH3I, using collinear infrared and mm-wave radiations. The Doppler-free double-resonance technique allowed an accurate determination of the collisional broadening parameters for all the hyperfine components. An evident dependence on the F quantum number was observed and this result is perfectly consistent with a theoretical model allowing calculations of collisional broadening and coupling for the hyperfine components. (C) 2000 Academic Press.File in questo prodotto:
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