Theory of Collisionally Induced Intramultiplet Mixing in Excited Alkali Atoms
- 1 August 1970
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 53 (3) , 1175-1180
- https://doi.org/10.1063/1.1674116
Abstract
The theory of intramultiplet mixing in P2 resonance excited states of alkali atoms induced by collisions with noble gas atoms is discussed in connection with various mechanisms of nonadiabatic coupling between molecular states. The semiclassical approach is used, and a high value of the Massey parameter corresponding to 12→32 transitions is assumed. Two coupling regions are found, and it is shown that the main contribution to the total inelastic cross sections for heavy partners is given by the Coriolis interaction at small interatomic distances. Comparison between theory and experiment reveals reasonable agreement. In addition, the validity of the perturbation theory for almost adiabatic collisions is discussed.Keywords
This publication has 9 references indexed in Scilit:
- Relationship between cross section for doublet mixing and massey parameter for alkali-noble gas atom collisionsChemical Physics Letters, 1969
- Semiempirical, Pseudopotential Calculation of Alkali–Noble-Gas Interatomic PotentialsThe Journal of Chemical Physics, 1969
- Fine structure transitions in alkali metal-rare gas collisionsPhysics Letters A, 1968
- Interaction energy surfaces for Li(22S) and Li (22P) with H2Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry, 1968
- Non-resonance excitation transfer in atomic collissions induced by dipole-dipole interactionChemical Physics Letters, 1968
- Rubidium and Cesium Excitation Transfer in Nearly Adiabatic Collisions with Inert GasesPhysical Review B, 1968
- Elastic scattering and inelastic transitionsPhysics Letters A, 1968
- Asymptotic calculation of some exchange integralsTheoretical Chemistry Accounts, 1968
- Spectroscopic Studies of Substituted BenzalanilinesApplied Spectroscopy, 1965