Reference : Lifetime measurements in Ru II and calculated oscillator strengths in Ru II and Ru III
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/26463
Lifetime measurements in Ru II and calculated oscillator strengths in Ru II and Ru III
English
Palmeri, P. [ > > ]
Quinet, Pascal mailto [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
Fivet, V. [ > > ]
Biémont, Emile mailto [Université de Liège - ULg > Département de physique > Physique nucléaire, atomique et spectroscopie >]
Cowley, C. R. [ > > ]
Engström, L. [ > > ]
Lundberg, H. [ > > ]
Hartman, H. [ > > ]
Nilsson, H. [ > > ]
2009
Journal of Physics : B Atomic Molecular & Optical Physics
Institute of Physics
42
1-12
Yes (verified by ORBi)
International
0953-4075
Bristol
United Kingdom
[en] A new set of theoretical f -values is reported for 178 Ru II transitions of astrophysical interest,
involving energy levels below 58 000 cm−1. The theoretical model, including core-polarization effects, has been tested by comparing theoretical lifetimes with new measurements performed by time-resolved laser-induced fluorescence spectroscopy for 23 4d6(5D)5p odd levels of Ru II and by comparing theoretical and experimental Land´e g-factors. The first set of transition probabilities is proposed for 25 strong lines depopulating the 4d55p 5,7P◦ terms of Ru III. The new results will allow quantitative investigations of stellar spectra and allow the astrophysicists to refine the ruthenium abundance in stars.
Researchers ; Professionals
http://hdl.handle.net/2268/26463

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