Second-order effects on the hyperfine structure of P states of alkali-metal atoms

K. Beloy and A. Derevianko
Phys. Rev. A 78, 032519 – Published 18 September 2008

Abstract

We analyze second-order M1M1 and M1E2 effects on the hyperfine structure (HFS) of the lowest-energy P states of alkali-metal atoms arising from the coupling of the two (J=12,32) fine-structure levels through the hyperfine interaction. We find these effects to be especially sizable in Li, leading to a 9σ correction to the most accurate reported experimental value of the A(P12) HFS constant of Li7 [Das and Natarajan, J. Phys. B 41, 035001 (2008)]. For the remaining alkali-metal systems, the results tabulated within may be referenced as higher precision is sought in experimental determination of the HFS constants.

  • Figure
  • Received 25 July 2008

DOI:https://doi.org/10.1103/PhysRevA.78.032519

©2008 American Physical Society

Authors & Affiliations

K. Beloy and A. Derevianko

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

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Vol. 78, Iss. 3 — September 2008

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