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Lifetime measurements and transition probability calculations in singly ionized tungsten (W |
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| Authors: | H. Nilsson L. Engström H. Lundberg P. Palmeri V. Fivet P. Quinet É. Biémont |
| Affiliation: | (1) Lund Observatory, Lund University, P.O. Box 43, 22100 Lund, Sweden;(2) Department of Physics, Lund Institute of Technology, P.O. Box 118, 22100 Lund, Sweden;(3) Astrophysique et Spectroscopie, Université de Mons-Hainaut, 20 Place du Parc, 7000 Mons, Belgium;(4) IPNAS (Batiment B15), Université de Liège, Sart-Tilman, 4000 Liège 1, Belgium |
| Abstract: | New measurements of radiative lifetimes for 9 levels in singly ionized tungsten (WII) have been performed with the time-resolved laser-induced-fluorescence technique. Transition probabilities have been obtained from a combination of experimental lifetimes and theoretical branching fractions. The reliability of the present results is assessed through the good agreement observed between the calculated lifetimes and the experimental values from this work and from previous publications. These new results fill in a gap in the available data for this atomic species particularly important for fusion reactors. |
| Keywords: | KeywordHeading" >PACS 32.70.Cs Oscillator strengths, lifetimes, transition moments 52.50.Jm Plasma production and heating by laser beams |
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