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Shift and broadening of hyperfine components of the first doublet of cesium perturbed by foreign gases



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Bernabeu Martínez, Eusebio and Álvarez, J. M. (1980) Shift and broadening of hyperfine components of the first doublet of cesium perturbed by foreign gases. Physical review A, 22 (6). pp. 2690-2695. ISSN 1050-2947

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Official URL: http://dx.doi.org/10.1103/PhysRevA.22.2690


The collision broadening and shift of the hyperfine structure components of the ground-state splitting for the D_1 (8943 Å) and D_2 (8521 Å) cesium lines by noble gases (He, Ne, Ar, Kr, and Xe) and by light molecular gases (H_2 and N_2) under pressures not greater than 150 Torr and at a temperature of 295 K are investigated. The Lennard-Jones (12-6) interatomic potential constants are calculated for these systems, using the semiclassical theory of Lindholm-Foley (for Cs with Ne, Ar, Kr, Xe, and N_2 systems) and the quantum theory of Baranger (for Cs with He and H_2 systems), by comparing with our experimental results in fine structure. These potential constants are employed for the determination of the shift and broadening in hyperfine structure, using the hyperfine theory of collision broadening.

Item Type:Article
Additional Information:

© 1980 The American Physical Society.

Uncontrolled Keywords:Optics, Physics, Atomic, Molecular & chemical
Subjects:Sciences > Physics > Optics
ID Code:28419
Deposited On:20 Feb 2015 19:43
Last Modified:20 Feb 2015 19:43

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