Experimental transition probabilities for 4p-4d spectral lines in V II

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Experimental transition probabilities for 4p-4d spectral lines in V II

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Publication Article, peer reviewed scientific
Title Experimental transition probabilities for 4p-4d spectral lines in V II
Author Nilsson, H. ; Andersson, J. ; Engström, L. ; Lundberg, H. ; Hartman, Henrik
Date 2019
English abstract
Aims. We aim to measure lifetimes of levels belonging to the 3d(3)(F-4)4d subconfiguration in V II, and derive absolute transition probabilities by combining the lifetimes with experimental branching fractions. Methods. The lifetimes were measured using time-resolved laser-induced fluorescence in a two-photon excitation scheme. The branching fractions were measured in intensity calibrated spectra from a hollow cathode discharge lamp, recorded with a Fourier transform spectrometer. Results. We report lifetimes for 13 levels at an energy around 73 000 cm(-1). Absolute transition probabilities of 78 lines are derived by combining the lifetimes and branching fractions. The experimental values are compared with theoretical data from the literature.
DOI https://doi.org/10.1051/0004-6361/201834795 (link to publisher's fulltext.)
Publisher EDP Sciences
Host/Issue Astronomy and astrophysics;
Volume 622
ISSN 1432-0746
Language eng (iso)
Subject atomic data
line: identification
methods: laboratory: atomic
techniques: spectroscopic
Sciences
Research Subject Categories::NATURAL SCIENCES
Handle http://hdl.handle.net/2043/29443 Permalink to this page
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