The highly sensitive method of radio-frequency-infrared double resonance inside a CO2 laser is applied to study collision-induced transitions in CH3I in a four-level double resonance scheme. Pure nuclear quadrupole resonances are observed as the result of collision population transfer between different rotational levels. The intensity ratios of the collision-induced dips to the corresponding three-level double resonance signals are measured for a number of transitions in the ground and excited vibrational states. Collision selection rules in the pure gas and in mixtures with polar and non-polar gases are discussed.

Collision-induced radio-frequency transitions in CH3I / Tamassia F.; Danieli R.; Scappini F.. - In: CHEMICAL PHYSICS LETTERS. - ISSN 0009-2614. - STAMPA. - 300:3-4(1999), pp. 478-482. [10.1016/S0009-2614(98)01358-X]

Collision-induced radio-frequency transitions in CH3I

Tamassia F.;
1999

Abstract

The highly sensitive method of radio-frequency-infrared double resonance inside a CO2 laser is applied to study collision-induced transitions in CH3I in a four-level double resonance scheme. Pure nuclear quadrupole resonances are observed as the result of collision population transfer between different rotational levels. The intensity ratios of the collision-induced dips to the corresponding three-level double resonance signals are measured for a number of transitions in the ground and excited vibrational states. Collision selection rules in the pure gas and in mixtures with polar and non-polar gases are discussed.
1999
Collision-induced radio-frequency transitions in CH3I / Tamassia F.; Danieli R.; Scappini F.. - In: CHEMICAL PHYSICS LETTERS. - ISSN 0009-2614. - STAMPA. - 300:3-4(1999), pp. 478-482. [10.1016/S0009-2614(98)01358-X]
Tamassia F.; Danieli R.; Scappini F.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/894294
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