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Radiative lifetime measurements and calculations in doubly ionized tantalum (Ta III)
Astrophysique et Spectroscopie, Université de Mons-Hainaut, B-7000 Mons, Belgium.
Astrophysique et Spectroscopie, Université de Mons-Hainaut, B-7000 Mons, Belgium; IPNAS, Université de Liège, Sart Tilman, B-4000 Liège, Belgium.
Department of Physics, Lund Institute of Technology, PO Box 118, SE-221 00 Lund, Sweden.
Department of Physics, Lund Institute of Technology, PO Box 118, SE-221 00 Lund, Sweden.
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2007 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 41, no 1, p. 015702-015702Article in journal (Refereed) Published
Abstract [en]

Radiative lifetimes of six odd-parity levels belonging to the 5d26p configuration of doubly ionized tantalum (Ta III) have been measured using the time-resolved-laser-induced- fluorescence technique. Supporting theoretical calculations, including core-polarization effects, have been performed to model configuration interaction and to estimate branching fractions. The excellent agreement between the theoretical and experimental lifetimes allows us to assess the reliability of the 206 calculated transition probabilities. It is expected that this new set of results will be useful to astrophysicists for the investigation of the chemical composition of stars.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2007. Vol. 41, no 1, p. 015702-015702
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Atom and Molecular Physics and Optics
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URN: urn:nbn:se:mau:diva-63259DOI: 10.1088/0953-4075/41/1/015702Scopus ID: 2-s2.0-37549005155OAI: oai:DiVA.org:mau-63259DiVA, id: diva2:1807682
Available from: 2023-10-27 Created: 2023-10-27 Last updated: 2023-10-27Bibliographically approved

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Nilsson, H

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