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28 March 2024
 
  » arxiv » physics/0101053

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High accuracy calculation of 6s -> 7s parity nonconserving amplitude in Cs
M.G. Kozlov ; S.G. Porsev ; I.I. Tupitsyn ;
Date 10 Dec 2000
Journal Phys.Rev.Lett. 86 (2001) 3260-3263
Subject Atomic Physics | physics.atom-ph hep-ph
AbstractWe 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 $eta$ 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.
Source arXiv, physics/0101053
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