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Experimental and theoretical studies of lifetimes and transition probabilities for Au II

Zhiguo, Zhang LU ; Brage, Tomas LU ; Curtis, LJ; Lundberg, Hans LU and Martinson, Indrek LU (2002) In Journal of Physics B: Atomic, Molecular and Optical Physics 35(3). p.483-490
Abstract
We report lifetime measurements for three of the 5d(9)6p levels in An II and relativistic multiconfiguration Dirac-Fock (MCDF) calculations of lifetimes and transitions probabilities in this ion. The work was motivated by significant disagreements between previous experimental 5d(9)6p lifetimes, obtained by means of the beam-foil (BF) method and theoretical data based on Hartree-Fock calculations in which relativistic effects were included as perturbations. The new measurements, based on laser-induced fluorescence, support the BF data and are also in excellent agreement with the MCDF results. We confirm that, while computational methods which include perturbative relativistic corrections appear to be adequate for moderately heavy elements... (More)
We report lifetime measurements for three of the 5d(9)6p levels in An II and relativistic multiconfiguration Dirac-Fock (MCDF) calculations of lifetimes and transitions probabilities in this ion. The work was motivated by significant disagreements between previous experimental 5d(9)6p lifetimes, obtained by means of the beam-foil (BF) method and theoretical data based on Hartree-Fock calculations in which relativistic effects were included as perturbations. The new measurements, based on laser-induced fluorescence, support the BF data and are also in excellent agreement with the MCDF results. We confirm that, while computational methods which include perturbative relativistic corrections appear to be adequate for moderately heavy elements such as Ag, fully relativistic calculations are essential for describing systems as heavy as Au. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physics B: Atomic, Molecular and Optical Physics
volume
35
issue
3
pages
483 - 490
publisher
IOP Publishing
external identifiers
  • wos:000174258700008
  • scopus:0037075136
ISSN
0953-4075
DOI
10.1088/0953-4075/35/3/303
language
English
LU publication?
yes
id
14a358b7-9142-472f-bb92-bacd466e4059 (old id 342286)
date added to LUP
2007-11-15 09:56:13
date last changed
2017-01-01 06:36:54
@article{14a358b7-9142-472f-bb92-bacd466e4059,
  abstract     = {We report lifetime measurements for three of the 5d(9)6p levels in An II and relativistic multiconfiguration Dirac-Fock (MCDF) calculations of lifetimes and transitions probabilities in this ion. The work was motivated by significant disagreements between previous experimental 5d(9)6p lifetimes, obtained by means of the beam-foil (BF) method and theoretical data based on Hartree-Fock calculations in which relativistic effects were included as perturbations. The new measurements, based on laser-induced fluorescence, support the BF data and are also in excellent agreement with the MCDF results. We confirm that, while computational methods which include perturbative relativistic corrections appear to be adequate for moderately heavy elements such as Ag, fully relativistic calculations are essential for describing systems as heavy as Au.},
  author       = {Zhiguo, Zhang and Brage, Tomas and Curtis, LJ and Lundberg, Hans and Martinson, Indrek},
  issn         = {0953-4075},
  language     = {eng},
  number       = {3},
  pages        = {483--490},
  publisher    = {IOP Publishing},
  series       = {Journal of Physics B: Atomic, Molecular and Optical Physics},
  title        = {Experimental and theoretical studies of lifetimes and transition probabilities for Au II},
  url          = {http://dx.doi.org/10.1088/0953-4075/35/3/303},
  volume       = {35},
  year         = {2002},
}