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Experimental transi...
Experimental transition probabilities for 4p-4d spectral lines in V II
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- Nilsson, H. (author)
- Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science,Lund Observatory, Lund University, Box 43, 22100 Lund, Sweden
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- Andersson, Jonas (author)
- University of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Department of Physics, University of Gothenburg, 412 96 Gothenburg, Sweden
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- Engström, L. (author)
- Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Department of Physics, Lund University, Box 118, 22100 Lund, Sweden
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- Lundberg, H. (author)
- Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Department of Physics, Lund University, Box 118, 22100 Lund, Sweden
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- Hartman, H. (author)
- Malmö universitet,Malmö University,Lund University,Lunds universitet,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science,Institutionen för materialvetenskap och tillämpad matematik (MTM),Lund Observatory, Lund University, Box 43, 22100 Lund, Sweden
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(creator_code:org_t)
- 2019-02-12
- 2019
- English.
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In: Astronomy & Astrophysics. - : EDP Sciences. - 1432-0746 .- 0004-6361. ; 622
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Abstract
Subject headings
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- 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.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- atomic data
- line: identification
- methods: laboratory: atomic
- techniques: spectroscopic
- oscillator-strengths
- lifetime measurements
- Astronomy & Astrophysics
- Atomic data
- Line: identification
- Methods: laboratory: atomic
- Techniques: spectroscopic
- atomic data
Publication and Content Type
- ref (subject category)
- art (subject category)
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