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Radiative lifetime measurements and transition probabilities of astrophysical interest in ErIII

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Author

  • E Biemont
  • H. P Garnir
  • T Bastin
  • P Palmeri
  • P Quinet
  • Z. S Li
  • Z. G Zhang
  • V Lokhnygin
  • Sune Svanberg

Summary, in English

Radiative lifetimes of seven excited states of Er iii have been measured using time-resolved laser-induced fluorescence following two-photon excitation. Relativistic Hartree-Fock calculations taking core-polarization effects into account are found to be in excellent agreement with the experimental results. A large set of new calculated transition probabilities is presented for many transitions of astrophysical interest. These results will be useful for investigating the composition of chemically peculiar stars.

Department/s

Publishing year

2001

Language

English

Pages

481-486

Publication/Series

Monthly Notices of the Royal Astronomical Society

Volume

321

Issue

3

Document type

Journal article

Publisher

Oxford University Press

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1365-2966