Journal
PHYSICAL REVIEW A
Volume 73, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.73.022112
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We present accurate ab initio nonperturbative calculations of the Breit correction to the parity nonconserving (PNC) amplitudes of the 6s-7s and 6s-5d(3/2) transitions in Cs, 7s-8s and 7s-6d(3/2) transitions in Fr, 6s-5d(3/2) transition in Ba+, 7s-6d(3/2) transition in Ra+, and 6p(1/2)-6p(3/2) transition in Tl. The results for the 6s-7s transition in Cs and 7s-8s transition in Fr are in good agreement with other calculations. We demonstrate that higher-orders many-body corrections to the Breit interaction are especially important for the s-d PNC amplitudes. We confirm good agreement of the PNC measurements for cesium and thallium with the standard model.
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