Radiative decays of the n=2 states of He-like ions

C. D. Lin, W. R. Johnson, and A. Dalgarno
Phys. Rev. A 15, 154 – Published 1 January 1977
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Abstract

The relativistic random-phase approximation (RRPA) is applied to study radiative transitions from n=2 states along the He isoelectronic sequence. The strengths of various decay modes and the energy splittings of the n=2 multiplets are investigated. At low Z the present results agree with earlier nonrelativistic studies, whereas, at high Z our results provide new information about oscillator strengths, branching ratios, and multiplet structure for the n=2 states.

  • Received 19 July 1976

DOI:https://doi.org/10.1103/PhysRevA.15.154

©1977 American Physical Society

Authors & Affiliations

C. D. Lin*, W. R. Johnson, and A. Dalgarno*

  • Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Massachusetts 02138

  • *Work supported in part by ERDA Contract No. E(11-1) -2887.
  • Work supported in part by NSF Grant No. GP-42738. Permanent address: Dept. of Physics, Notre Dame University, Notre Dame, Ind. 46656.

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Vol. 15, Iss. 1 — January 1977

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