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Atoms 2015, 3(3), 299-319; doi:10.3390/atoms3030299

Detailed Analysis of Configuration Interaction and Calculation of Radiative Transition Rates in Seven Times Ionized Tungsten (W VIII)

1
Astrophysique et Spectroscopie, Université de Mons, Mons B-7000, Belgium
2
IPNAS, Université de Liège, Liège B-4000, Belgium
*
Author to whom correspondence should be addressed.
Academic Editor: Bastiaan J. Braams
Received: 21 May 2015 / Revised: 15 June 2015 / Accepted: 23 June 2015 / Published: 30 June 2015
(This article belongs to the Special Issue Atomic Data for Tungsten)
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Abstract

A new set of oscillator strengths and transition probabilities for EUV spectral lines of seven times ionized tungsten (W VIII) is reported in the present paper. These results have been obtained using the pseudo-relativistic Hartree-Fock (HFR) method combined with a semi-empirical optimization of the radial parameters minimizing the discrepancies between computed energy levels and available experimental data. The final physical model considered in the calculations has been chosen further to a detailed investigation of the configuration interaction in this atomic system characterized by complex configurations of the type 4f145s25p5, 4f145s25p4nl, 4f145s5p6, 4f135s25p6, 4f135s25p5nl and 4f125s25p6nl (nl = 5d, 6s). View Full-Text
Keywords: atomic structure; oscillator strengths; transition probabilities; W VIII spectrum atomic structure; oscillator strengths; transition probabilities; W VIII spectrum
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Deprince, J.; Quinet, P. Detailed Analysis of Configuration Interaction and Calculation of Radiative Transition Rates in Seven Times Ionized Tungsten (W VIII). Atoms 2015, 3, 299-319.

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