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Lifetimes of 5d96p and 5d86s6p levels in Hg iii

På svenska

Author

  • DJ Beideck
  • LJ Curtis
  • RE Irving
  • ST Maniak
  • Ragnar Hellborg
  • Sveneric Johansson
  • AA Joueizadeh
  • Indrek Martinson
  • Tomas Brage

Summary, in English

Experimental and theoretical studies of lifetimes and transition probabilities for doubly ionized mercury, Hg III, are reported. Such data are currently of great astrophysical interest because observations with the Goddard high resolution spectrograph on board the Hubble space telescope have shown some 5d(9)6s-5d(9)6p transitions of Hg III in the spectrum of the chemically peculiar star chi Lupi. We now report experimental lifetimes for some selected 5d(9)6p and 5d(8)6s6p levels, determined by beam-foil spectroscopy, and compare the results with theoretical transition probabilities based on relativistic multiconfiguration Dirac-Fock calculations.

Publishing year

1993

Language

English

Pages

884-889

Publication/Series

Physical Review A (Atomic, Molecular and Optical Physics)

Volume

47

Issue

2

Document type

Journal article

Publisher

American Physical Society

Topic

  • Subatomic Physics
  • Astronomy, Astrophysics and Cosmology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1050-2947