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Parity non-conservation in thallium | | M G Kozlov
; S G Porsev
; W R Johnson
; | | Date: |
27 May 2001 | | Journal: | PRA, 64, 052107 (2001) DOI: 10.1103/PhysRevA.64.052107 | | Subject: | Atomic Physics | physics.atom-ph | | Abstract: | We report a new calculation of the parity non-conserving E1 amplitude for the 6p_{1/2} -> 6p_{3/2} transition in Tl. Our result for the reduced matrix element is $E1_{PNC}=-(66.7 pm 1.7) i 10^{-11} (-Q_W/N)$ a.u. Comparison with the experiment of Vetter et al [PRL,{f 74},2658 (1995)] gives the following result for the weak charge of $^{205}$Tl: $Q_W/Q_W^{SM} = 0.97 (pm 0.01)_{expt} (pm 0.03)_{theor}$, where $Q_W^{SM}=-116.7$ is the standard model prediction. This result confirms an earlier conclusion based on the analysis of a Cs experiment that atomic PNC experiments are in agreement with the standard model. | | Source: | arXiv, physics/0105090 | | Services: | Forum | Review | PDF | Favorites | |
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