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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 | Abstract: | 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 $eta$ 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 | Services: | Forum | Review | PDF | Favorites |
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