High accuracy calculation of the 6(s)(1/2) ---> 7(s)(1/2) parity nonconserving transition in atomic cesium and implications for the standard model

Blundell, S.A.; Johnson, W.R.; Sapirstein, J.

doi:10.1103/PhysRevLett.65.1411

High accuracy calculation of the 6(s)(1/2) ---> 7(s)(1/2) parity nonconserving transition in atomic cesium and implications for the standard model

May, 1990

4 pages

Published in:

Phys.Rev.Lett. 65 (1990) 1411-1414

DOI:

10.1103/PhysRevLett.65.1411

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Abstract: (APS)

A many-body calculation of the parity-nonconserving amplitude for the 6s1/2→7s1/2 transition in atomic cesium with an error of order 1% is presented, EPNC=-0.906[9] (QW/-N)i‖e‖a0×10−11. Using this result to determine QW from high-precision measurements of the transition leads to a quantitative test of the standard model. The various sources contributing to this transition are discussed and their uncertainties estimated. A discussion of radiative corrections with emphasis on the role of the top-quark mass is given.

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