Article (Scientific journals)
Decay of metastable states in NdII
Biémont, Emile; Ellmann, A.; Lundin, P. et al.
2007In European Physical Journal D -- Atoms, Molecules, Clusters and Optical Physics, 41 (2), p. 211-219
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Abstract :
[en] The difficulty associated with an accurate determination of transition rates for forbidden lines in lowly ionized heavy elements is illustrated in the case of Nd II. We have investigated the radiative decay of the low-lying metastable levels in Nd+ including the two levels 4f(4)(I-5) 5d K-6(11/2) and 4f(4)(I-5) 5d I-6(13/2). In these two particular cases, using di. erent theoretical approaches, we. nd that the decay is dominated by the M1 channels but that the E2 contributions are of the same order of magnitude. These levels have also been studied experimentally by lifetime measurements with the heavy ion storage ring CRYRING of Stockholm University. The difficulties encountered when performing such experiments are underlined and discussed.
Disciplines :
Physics
Chemistry
Author, co-author :
Biémont, Emile ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Ellmann, A.
Lundin, P.
Mannervik, S.
Norlin, L. O.
Palmeri, P.
Quinet, Pascal  ;  Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Rostohar, D.
Royen, P.
Schef, P.
Language :
English
Title :
Decay of metastable states in NdII
Publication date :
February 2007
Journal title :
European Physical Journal D -- Atoms, Molecules, Clusters and Optical Physics
ISSN :
1434-6060
Publisher :
Springer, New York, United States - New York
Volume :
41
Issue :
2
Pages :
211-219
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 March 2010

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