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Sökning: L773:0067 0049 OR L773:1538 4365 > Experimentally Meas...

Experimentally Measured Radiative Lifetimes and Oscillator Strengths in Neutral Vanadium

Holmes, Charlotte (författare)
Blackett Laboratory, Dept. Physics, Imperial College London, London SW7 2AZ, UK
Pickering, Juliet (författare)
Blackett Laboratory, Dept. Physics, Imperial College London, London SW7 2AZ, UK
Ruffoni, Matthew (författare)
Blackett Laboratory, Dept. Physics, Imperial College London, London SW7 2AZ, UK
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Blackwell-Whitehead, R. (författare)
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
Nilsson, Hampus (författare)
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
Engström, L. (författare)
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
Hartman, Henrik (författare)
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,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Lundberg, Hans (författare)
Blackett Laboratory, Dept. Physics, Imperial College London, London SW7 2AZ, UK
Belmonte, M (författare)
Blackett Laboratory, Dept. Physics, Imperial College London, London SW7 2AZ, UK
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Blackett Laboratory, Dept Physics, Imperial College London, London SW7 2AZ, UK Astronomi - Genomgår omorganisation (creator_code:org_t)
2016-06-14
2016
Engelska.
Ingår i: Astrophysical Journal Supplement Series. - : Bibliopolis, Edizioni di Filosofia e Scienze. - 0067-0049 .- 1538-4365. ; 224:2
Relaterad länk:
https://doi.org/10.3...
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https://mau.diva-por... (primary) (Raw object)
https://iopscience.i...
http://dx.doi.org/10...
https://urn.kb.se/re...
https://doi.org/10.3...
https://lup.lub.lu.s...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • We report a new study of the V i atom using a combination of time-resolved laser-induced fluorescence and Fourier transform spectroscopy that contains newly measured radiative lifetimes for 25 levels between 24,648 cm-1 and 37,518 cm-1 and oscillator strengths for 208 lines between 3040 and 20000 Å from 39 upper energy levels. Thirteen of these oscillator strengths have not been reported previously. This work was conducted independently of the recent studies of neutral vanadium lifetimes and oscillator strengths carried out by Den Hartog et al. and Lawler et al., and thus serves as a means to verify those measurements. Where our data overlap with their data, we generally find extremely good agreement in both level lifetimes and oscillator strengths. However, we also find evidence that Lawler et al. have systematically underestimated oscillator strengths for lines in the region of 9000 ± 100 Å. We suggest a correction of 0.18 ± 0.03 dex for these values to bring them into agreement with our results and those of Whaling et al. We also report new measurements of hyperfine structure splitting factors for three odd levels of V i lying between 24,700 and 28,400 cm-1.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Nyckelord

atomic data
stars: abundances
Sun: abundances
atomic data
stars: abundances
Sun: abundances

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