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Radiative lifetimes and transition probabilities in Ta I

  • Atomic Physics
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Abstract.

Radiative lifetimes of 14 odd-parity Ta I levels, belonging to the 5d36s6p and 5d46p configurations in the energy range from 30 664 to 45 256 cm-1, have been measured using the time-resolved laser-induced fluorescence technique. Extensive calculations, taking configuration interactions and core-polarisation effects into account, are able to reproduce in a satisfying way the available experimental results but suffer from the rather fragmentary knowledge of the level structure of this atom. New transition probabilities are deduced for a set of strong lines depopulating the levels investigated experimentally in the present work.

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Authors and Affiliations

  1. Astrophysique et Spectroscopie, Université de Mons-Hainaut, 15 rue de la Halle, 7000, Mons, Belgium

    V. Fivet, P. Palmeri, P. Quinet & É. Biémont

  2. IPNAS (Bât. B15), Université de Liège, 4000, Liège, Belgium

    P. Quinet & É. Biémont

  3. Department of Physics, Lund Institute of Technology, P.O. Box 118, 22100, Lund, Sweden

    H. L. Xu & S. Svanberg

Authors
  1. V. Fivet
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  2. P. Palmeri
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  3. P. Quinet
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  4. É. Biémont
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  5. H. L. Xu
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  6. S. Svanberg
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Corresponding author

Correspondence to É. Biémont.

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Fivet, V., Palmeri, P., Quinet, P. et al. Radiative lifetimes and transition probabilities in Ta I. Eur. Phys. J. D 37, 29–35 (2006). https://doi.org/10.1140/epjd/e2005-00256-8

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  • DOI: https://doi.org/10.1140/epjd/e2005-00256-8

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