Phys. Rev. A 63, 044103 (2001) [3 pages]Breit correction to the parity-nonconservation amplitude in cesium |
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.
©2001 The American Physical Society
URL: http://link.aps.org/abstract/PRA/v63/e044103
DOI: 10.1103/PhysRevA.63.044103
PACS: 32.80.Ys, 31.30.Jv, 11.30.Er, 12.15.Ji
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