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a Theoretical Investigation of State-Changing Thermal Collisions Between Rydberg Atoms and Ground State Noble Gas Atoms.

Irvin Lee Davis

Published Dec 1, 1983• 0 citations
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Using the wave functions of the multichannel-quantum-defect theory, a semiclassical theory for both elastic and inelastic collisional cross sections of Rydberg atoms, in which there can be more than one valence electron, with ground-state rare-gas atoms is obtained. Especially the noble-gas-induced broadening cross sections of Rydberg series in alkaline-earth atoms can be calculated. An application of theory is shown to explain the irregular broadening rates of Sr 5sns 1^{1}1S0{\mathit{S}}_{0}S0​ series due to collision with Xe, and a good agreement between theory and experiment is achieved.