Phys. Rev. A 63, 044103 (2001) [3 pages]

Breit correction to the parity-nonconservation amplitude in cesium

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V. A. Dzuba¹, C. Harabati¹, W. R. Johnson², and M. S. Safronova²
¹School of Physics, University of New South Wales, Sydney 2052, Australia
²Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556

Received 6 December 2000; published 16 March 2001

Including the Breit interaction leads to a 0.6% reduction in the magnitude of the 6s-7s parity-nonconservation (PNC) amplitude in ¹³³Cs, confirming a result recently obtained by A. Derevianko [Phys. Rev. Lett. 85, 1618 (2000)]. A revised value of the theoretical PNC amplitude for ¹³³Cs is given; the corresponding value of the weak charge shows no noticeable deviation from the standard model.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.63.044103

DOI:

10.1103/PhysRevA.63.044103

PACS:

32.80.Ys, 31.30.Jv, 11.30.Er, 12.15.Ji

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Phys. Rev. A 63, 044103 (2001) [3 pages]

Breit correction to the parity-nonconservation amplitude in cesium