Abstract
The dominant one-loop vacuum-polarization correction to atomic wave functions are evaluated for the 6s–7s parity nonconserving (PNC) E1 transition amplitude in cesium. This correction increases the size of the PNC amplitude by 0.4% and thus increases the difference between the experimental value of the weak charge Q W and the one predicted by the standard model.
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Bednyakov, I., Johnson, W.R., Plunien, G. et al. Vacuum-Polarization Corrections to Parity-Nonconserving Effects in Atomic Systems. Hyperfine Interactions 146, 67–70 (2003). https://doi.org/10.1023/B:HYPE.0000004251.39213.55
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DOI: https://doi.org/10.1023/B:HYPE.0000004251.39213.55