Model potential calculations for the KHe and KNe molecular systems: comparison with the predictions of the asymptotic methods
- 28 March 1982
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 15 (6) , 883-898
- https://doi.org/10.1088/0022-3700/15/6/014
Abstract
The model potential method of Valiron et al (1979) is used to compute the ionisation energies and dipole moments for the KHe and KNe molecular systems. Structures in the excited states could be predicted using the Fermi model of a free electron scattered by the rare gas, and the accuracy of the curves estimated using asymptotic methods is discussed. A calculation of the velocity dependence of the cross section for the fine-structure transition K 4p 2P1/2 to K 4p 3P3/2 is given and compared with experiment. The computed potentials are used to determine the profile of the K fluorescence line perturbed by He and Ne in the framework of the quasi-static theory.Keywords
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