Off-diagonal hyperfine interaction between the 6p12 and 6p32 levels in Cs133

W. R. Johnson, H. C. Ho, Carol E. Tanner, and Andrei Derevianko
Phys. Rev. A 70, 014501 – Published 2 July 2004

Abstract

The off-diagonal hyperfine interaction between the 6p12 and 6p32 states in Cs133 is evaluated in third-order MBPT giving 37.3 and 48.3Hz, respectively, for second-order energies of the 6p32 F=3 and F=4 levels. This result is a factor of 10 smaller than one obtained from an uncorrelated first-order Dirac–Hartree–Fock calculation and used in the analysis of a recent high-precision (2kHz) measurement of the 6p32 hyperfine structure [Gerginov et al. Phys. Rev. Lett. 91, 72301 (2003)]. The factor of 10 difference has negligible effect on the conclusions of the recent experiment but will become important for experiments carried out at a precision of better than 1kHz.

  • Received 21 April 2004

DOI:https://doi.org/10.1103/PhysRevA.70.014501

©2004 American Physical Society

Authors & Affiliations

W. R. Johnson*, H. C. Ho, and Carol E. Tanner

  • Department of Physics, 225 Nieuwland Science Hall University of Notre Dame, Notre Dame, Indiana 46556, USA

Andrei Derevianko§

  • Department of Physics, University of Nevada, Reno, Nevada 89557, USA

  • *Electronic address: johnson@nd.edu;URL: www.nd.edu∕̃johnson
  • Electronic address: hho1@nd.edu
  • Electronic address: ctanner@nd.edu
  • §Electronic address: andrei@unr.edu;URL: http:∕∕www.physics.unr.edu∕̃tap

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Issue

Vol. 70, Iss. 1 — July 2004

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