Scientific Results

Energy-pooling collisions for K(4P)+Rb(5P) and Na(3P)+Rb(5P) heteronuclear systems

Year: 1989

Authors: Gabbanini C., Gozzini S., Squadrito G., Allegrini M., Moi L.

Autors Affiliation: Istituto di Fisica Atomica e Molecolare del Consiglio Nazionale delle Ricerche, Via del Giardino 7, 56100 Pisa, Italy

Abstract: The rate constants of the energy-pooling collisions in the Na-Rb and K-Rb vapor mixtures, resonantly excited by two cw dye lasers, have been measured relative to a known energy-pooling rate constant of a homonuclear reaction. To isolate the heteronuclear contribution in the fluorescence spectrum, a double-modulation technique has been adopted. The effective lifetimes of the excited levels that explicitly appear in the solution equation have been directly measured by using pulsed lasers. A discussion about the collision cross-section dependence on the energy defect involved in the energy-pooling collisions is reported.


Volume: 39 (12)      Pages from: 6148  to: 6153

KeyWords: Energy-pooling collisions; Dye lasers; fluorescence spectrum; Pulsed lasers; Heteronuclear systems
DOI: 10.1103/PhysRevA.39.6148

Citations: 40
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