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Autoionization studies of the 1s2s2p 4P5/2 levels in He-, Li i, and Be ii

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Author

Summary, in English

Autoionization rates of the 1s2s2p4P5/2 level are computed for He-, Li I, and Be II, using the golden-rule formalism in the multiconfiguration Hartree-Fock approximation. The main objective is to clarify ambiguities concerning the metastable 4P5/2 component in He-, whose lifetimes differ significantly in various works. The present calculations reveal a much shorter lifetime, 345 mus, than predicted in earlier theoretical works. Our result for He- is in perfect agreement with recent measurements, and for Li I and Be II we agree well with other theoretical predictions.

Publishing year

1993

Language

English

Pages

3718-3723

Publication/Series

Physical Review A (Atomic, Molecular and Optical Physics)

Volume

47

Issue

5

Document type

Journal article

Publisher

American Physical Society

Topic

  • Physical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1050-2947