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

Authors
Kozlov, MG Porsev, SG Tupitsyn, II
Citation
Mg. Kozlov et al., High-accuracy calculation of 6s -> 7s parity-nonconserving amplitude in Cs, PHYS REV L, 86(15), 2001, pp. 3260-3263
Citations number
24
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
86
Issue
15
Year of publication
2001
Pages
3260 - 3263
Database
ISI
SICI code
0031-9007(20010409)86:15<3260:HCO6-7>2.0.ZU;2-B
Abstract
We calculated the parity-nonconserving (PNC) 6s --> 7s amplitude in Cs. In the Dirac-Coulomb approximation our result is in good agreement with other calculations. Breit corrections to the PNC amplitude and to the Stark-induc ed amplitude P are found to he -0.4% and -1%. respectively. The weak charge of Cs-133 is Q(w) = -72.5 +/- 0.7 in agreement with the standard model.