Transition probabilities and lifetimes in gold (Au I and Au II)

[en] Radiative lifetimes of three odd-parity levels of neutral gold (Au I) and one odd-parity level of singly ionized gold (Au II), measured using the time-resolved laser-induced fluorescence technique, have allowed the testing of the reliability of a relativistic Hartree-Fock model of the atomic structure taking configuration interaction and core-polarization effects into account. The importance of the inclusion of the latter effects in the calculations is emphasized. The laser-induced fluorescence lifetimes, combined with the theoretical branching fractions, have allowed us to deduce oscillator strengths for six 5d(9)6s(2)-5d(9)6s6p and 5d(10)6s-5d(9)6s6p transitions of Au I and for sixty-three 5d(9)6s-5d(9)6p, 5d(9)6p-5d(9)7s and 5d(10)-5d(9)6p UV transitions of Au II.

Disciplines :

Physics
Electrical & electronics engineering
Chemistry

Author, co-author :

Fivet, V.

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

Xu, H. L.

Language :

English

Title :

Transition probabilities and lifetimes in gold (Au I and Au II)

Publication date :

14 September 2006

Journal title :

Journal of Physics : B Atomic Molecular and Optical Physics

ISSN :

0953-4075

eISSN :

1361-6455

Publisher :

Iop Publishing Ltd, Bristol, United Kingdom

Volume :

Issue :

Pages :

3587-3598

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 15 March 2010

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