Theoretical Study of the 4f146s 2S1/24f136s2 2F7/20 E3 Transition in Yb II

E. Biémont and P. Quinet
Phys. Rev. Lett. 81, 3345 – Published 19 October 1998
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Abstract

In view of the current interest of ion trap workers in the lifetime of the 4f136s22F7/20 level in Yb II which may decay by electric octupole (E3) radiation to the ground 4f146s2S1/2 level, we have used a pseudorelativistic Hartree-Fock method including configuration interaction and core polarization effects to estimate the value of the E3 matrix element 4f|r3|6s. The calculated lifetime, τ=8.4yr, is in excellent agreement with the recent measurement due to Roberts et al. [Phys. Rev. Lett. 78, 1876 (1997)] (τ=10.14+7yr).

  • Received 11 March 1998

DOI:https://doi.org/10.1103/PhysRevLett.81.3345

©1998 American Physical Society

Authors & Affiliations

E. Biémont1,2 and P. Quinet2

  • 1Institut d'Astrophysique, Université de Liège, B-4000 Liège, Belgium
  • 2Astrophysique et Spectroscopie, Université de Mons-Hainaut, B-7000 Mons, Belgium

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Vol. 81, Iss. 16 — 19 October 1998

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