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The European Physical Journal A

, Volume 32, Issue 4, pp 517–523 | Cite as

Theoretical overview of atomic parity violation

Recent developments and challenges
  • A. DereviankoEmail author
  • S. G. Porsev
PAVI 2006

Abstract.

Recent advances in interpreting the most accurate-to-date measurement of atomic parity violation in Cs are reviewed. The inferred nuclear weak charge, Q W( ^133Cs ) = - 72.65(28)expt(36)theor , agrees with the prediction of the standard model at 1σ level. Further improved interpretation is limited by an accuracy of solving the basic correlation problem of the atomic structure. We report on our progress in solving this problem within the relativistic coupled-cluster formalism. We include single, double and triple electronic excitations in the coupled-cluster expansion. Numerical results for energies, electric-dipole matrix elements, and hyperfine-structure constants of Cs are presented.

PACS.

32.80.Ys Weak-interaction effects in atoms 31.15.Dv Coupled-cluster theory 32.10.Fn Fine and hyperfine structure 32.70.Cs Oscillator strengths, lifetimes, transition moments 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2007

Authors and Affiliations

  1. 1.Physics DepartmentUniversity of NevadaRenoUSA
  2. 2.Petersburg Nuclear Physics InstituteLeningrad districtGatchinaRussia

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