Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mnras.416..547z&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 416, Issue 1, pp. 547-552.
Astronomy and Astrophysics
Astronomy
Atomic Data, Atomic Processes, Methods: Laboratory, Techniques: Spectroscopic
Scientific paper
Natural radiative lifetimes of 53 odd-parity highly excited levels of singly ionized samarium in the energy range 26 599.08-36 107.66 cm-1 have been measured by the time-resolved laser-induced fluorescence technique in an ionic plume produced by laser ablation. The fundamental frequency and second harmonic of a dye laser have been adopted as the tunable exciting source (308-650 nm), and a fast detection system has been used to record fluorescence signals. The lifetime values obtained in this paper are in the range 10.5-271 ns. A good agreement between the present results and the previously published values was achieved. This work will be useful for investigating the composition of chemically peculiar stars.
Dai Zhenwen
Du Shan
Feng Yanyan
Jiang Zhankui
Li Pengfei
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