High accuracy calculation of 6s -> 7s parity nonconserving amplitude in Cs

Details High accuracy calculation of 6s -> 7s parity nonconserving amplitude in Cs High accuracy calculation of 6s -> 7s parity nonconserving amplitude in Cs

2001-01-10

arxiv.org/abs/physics/0101053v2

Phys.Rev.Lett. 86 (2001) 3260-3263

Physics

Atomic Physics

4 pages, LaTeX2e, uses revtex4.cls, submitted to PRL

Scientific paper

10.1103/PhysRevLett.86.3260

We calculated the parity nonconserving (PNC) 6s -> 7s amplitude in Cs. In the
Dirac-Coulomb approximation our result is in a good agreement with other
calculations. Breit corrections to the PNC amplitude and to the Stark-induced
amplitude $\beta$ are found to be -0.4% and -1% respectively. The weak charge
of $^{133}$Cs is $Q_W=-72.5 \pm 0.7$ in agreement with the standard model.

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