Experimental and theoretical studies of DyIII: radiative lifetimes and oscillator strengths of astrophysical interest

[en] The lifetimes of three short-lived levels belonging to the 4f(9) 6p configuration and of two long-lived levels of the 4f(9) 5d configuration of Dy iii have been measured for the first time using time-resolved laser-induced fluorescence techniques. They are in good agreement with theoretical values calculated within the framework of a pseudo-relativistic configuration interaction approximation. Using the experimental lifetimes and the theoretical branching fractions, a first set of transition probabilities of astrophysical interest has been obtained for Dy III.

Disciplines :

Earth sciences & physical geography

Author, co-author :

Zhang, Z. G.

Svanberg, S.

Palmeri, P.

Quinet, Pascal ; Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie

Biémont, Emile ; Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie

Language :

English

Title :

Experimental and theoretical studies of DyIII: radiative lifetimes and oscillator strengths of astrophysical interest

Publication date :

July 2002

Journal title :

Monthly Notices of the Royal Astronomical Society

ISSN :

0035-8711

eISSN :

1365-2966

Publisher :

Blackwell Publishing Ltd, Oxford, United Kingdom

Volume :

334

Issue :

Pages :

1-10

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 15 March 2010

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