Hyperfine Level Dependence of the Pressure Broadening of CH(3)I Rotational Transitions in the v(6) = 1 Vibrational State |
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Authors: | Belli Buffa Di Lieto A Minguzzi Tarrini Tonelli |
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Affiliation: | Dipartimento di Fisica dell'Universita', Istituto Nazionale di Fisica della Materia, Piazza Torricelli 2, Pisa, 56126, Italy |
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Abstract: | We studied the hyperfine components of the (J = 10-9, Kl = 9) rotational transition in the v(6) = 1 excited vibrational state of CH(3)I, 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. Copyright 2000 Academic Press. |
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