Measurement of radiative lifetimes and determination of transition probabilities of astrophysical interest in Ho iii期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Measurement of radiative lifetimes and determination of transition probabilities of astrophysical interest in Ho iii

Authors:	E Biémont P Palmeri P Quinet G Paquin Z G Zhang G Somesfalean S Svanberg

Affiliation:	IPNAS (Bât. B 15), Universitéde Liège, Sart Tilman, B-4000 Liège, Belgium;Astrophysique et Spectroscopie, Universitéde Mons-Hainaut, B-7000 Mons, Belgium;Department of Physics, Lund Institute of Technology, PO Box 118, S-221 00 Lund, Sweden

Abstract:	Lifetimes of six levels belonging to the 4f¹⁰6p configuration of Ho iii have been measured for the first time using the time-resolved laser-induced fluorescence method. They are compared with multiconfigurational pseudo-relativistic Hartree–Fock calculations. A very good agreement is found. Using the experimental lifetimes and theoretical branching fractions, a first set of transition probabilities of astrophysical interest has been obtained for this ion.

Keywords:	atomic data atomic processes methods: analytical – techniques: spectroscopic – stars: chemically peculiar