Inconsistencies between lifetime and polarizability measurements in Cs

Abstract

Electric-dipole matrix elements for 6p-nd, n=5, 6, 7 transitions in cesium are calculated using a relativistic all-order method. The resulting matrix elements are used to evaluate 5d lifetimes and 6p polarizabilities. The data are compared with experimental lifetime and polarizability measurements made by different groups. Domination of the 6p scalar polarizabilities by 5d-6p dipole matrix elements facilitates an exacting consistency check of 5d lifetime and 6p polarizability data. Values of 5d-6p matrix elements obtained from experimental 5d lifetime data are found to be inconsistent with those inferred from 6p polarizabilities derived from experimental Stark shift data. Our ab initio calculated 6p polarizabilities agree well with experimental determinations.

5 pages, submitted to Physical Review A

References in corpus (8)

• Measurement of the 6S-7S transition polarizablility in atomic cesium and an improved test of the standard model
• Relativistic many-body calculations of energy levels, hyperfine constants, electric-dipole matrix elements and static polarizabilities for alkali-metal atoms
• Relativistic many-body calculations of electric-dipole matrix elements, lifetimes and polarizabilities in rubidium
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• Radiative corrections and parity nonconservation in heavy atoms
• Measurement of the 6s - 7p transition probabilities in atomic cesium and a revised value for the weak charge Q_W

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• Blackbody radiation shift in a 43Ca+ ion optical frequency standard
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• Accurate determination of electric-dipole matrix elements in K and Rb from Stark shift measurements
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• Precise Lifetime Measurement of the Cesium $5^2{D}_{5/2}$ State
• State-insensitive bichromatic optical trapping
• Electric dipole transition amplitudes for atoms and ions with one valence electron
• Precision study of 6p 2Pj - 8s 2S1/2 relative transition matrix elements in atomic Cs
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