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Oscillator strength...
Oscillator strengths for high-excitation Ti II from laboratory measurements and calculations
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- Lundberg, H. (författare)
- Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Hartman, Henrik (författare)
- Malmö University,Lund University,Lunds universitet,Malmö högskola,Fakulteten för teknik och samhälle (TS),Department of Astronomy and Theoretical Physics, Lund University, PO Box 43, SE-221 00 Lund, Sweden,Institutionen för astronomi och teoretisk fysik - Har omorganiserats,Naturvetenskapliga fakulteten,Department of Astronomy and Theoretical Physics - Has been reorganised,Faculty of Science,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Engström, L. (författare)
- Lund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Nilsson, Hampus (författare)
- Department of Physics, Lund University, PO Box 118, SE-221 00 Lund, Sweden
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- Persson, Anders (författare)
- Department of Physics, Lund University, PO Box 118, SE-221 00 Lund, Sweden
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- Palmeri, Patrick (författare)
- Physique Atomique et Astrophysique, Université de Mons, B-7000 Mons, Belgium,University of Liège
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- Quinet, P. (författare)
- Physique Atomique et Astrophysique, Université de Mons, B-7000 Mons, Belgium; IPNAS, Université de Liège, B-4000 Liège, Belgium
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- Fivet, Vanessa (författare)
- Physique Atomique et Astrophysique, Université de Mons, B-7000 Mons, Belgium
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- Malcheva, G (författare)
- Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, BG-1784 Sofia, Bulgaria
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- Blagoev, Kiril (författare)
- Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee, BG-1784 Sofia, Bulgaria
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(creator_code:org_t)
- 2016-04-21
- 2016
- Engelska.
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Ingår i: Monthly notices of the Royal Astronomical Society. - : Royal Astronomical Society. - 0035-8711 .- 1365-2966. ; 460:1, s. 356-362
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https://doi.org/10.1...
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http://dx.doi.org/10...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This work reports new experimental radiative lifetimes of six 3d2(3F)5s levels in singly ionized titanium, with an energy around 63 000 cm−1 and four 3d2(3F)4p odd parity levels where we confirm previous investigations. Combining the new 5s lifetimes with branching fractions measured previously by Pickering et al., we report 57 experimental log gf values for transitions from the 5s levels. The lifetime measurements are performed using time-resolved laser-induced fluorescence on ions produced by laser ablation. One- and two-step photon excitation is employed to reach the 4p and 5s levels, respectively. Theoretical calculations of the radiative lifetimes of the measured levels as well as of oscillator strengths for 3336 transitions from these levels are reported. The calculations are carried out by a pseudo relativistic Hartree–Fock method taking into account core-polarization effects. The theoretical results are in a good agreement with the experiments and are needed for accurate abundance determinations in astronomical objects.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- atomic data
- methods: laboratory: atomic
- techniques: spectroscopic
- Atomic
- Atomic data - methods
- Laboratory
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Lundberg, H.
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Hartman, Henrik
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Engström, L.
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Nilsson, Hampus
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Persson, Anders
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Palmeri, Patrick
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visa fler...
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Quinet, P.
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Fivet, Vanessa
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Malcheva, G
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Blagoev, Kiril
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visa färre...
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Malmö universitet
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Lunds universitet