SIMBAD references

2002A&A...385..724Z - Astronomy and Astrophysics, volume 385, 724-732 (2002/4-2)

Measurement of lifetimes by laser-induced fluorescence and determination of transition probabilities of astrophysical interest in Nd III.

ZHANG Z.G., SVANBERG S., PALMERI P., QUINET P. and BIEMONT E.

Abstract (from CDS):

Selective lifetime measurements by time-resolved laser-induced fluorescence spectroscopy for 5 levels belonging to the 4f35d configuration of doubly ionized neodymium provide a first and useful experimental test of the relativistic Hartree-Fock calculations in this ion of astrophysical interest. As a consequence, the accuracy of the transition probabilities deduced in the present work is well assessed. These new data are expected to help astrophysicists in the future to refine the analysis of the composition of chemically peculiar stars which frequently show large overabundances of lanthanides when compared to the solar system standards.

Abstract Copyright:

Journal keyword(s): atomic data - atomic processes - stars: chemically peculiar

Simbad objects: 8

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2021.03.03-04:13:44

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