Anomalous Isomeric Decays inLu174as a Probe ofKMixing and Interactions in Deformed Nuclei | Zendy

G. D. Dracoulis | Zendy; F. G. Kondev | Zendy; G. J. Lane | Zendy; A.P. Byrne | Zendy; T. R. McGoram | Zendy; T. Kibédi | Zendy; I. Ahmad | Zendy; M. P. Carpenter | Zendy; R. V. F. Janssens | Zendy; T. Lauritsen | Zendy; C. J. Lister | Zendy; D. Seweryniak | Zendy; P. Chowdhury | Zendy; S. K. Tandel | Zendy

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Anomalous Isomeric Decays inLu174as a Probe ofKMixing and Interactions in Deformed Nuclei

Author(s) -

G. D. Dracoulis,

F. G. Kondev,

G. J. Lane,

A.P. Byrne,

T. R. McGoram,

T. Kibédi,

I. Ahmad,

M. P. Carpenter,

R. V. F. Janssens,

T. Lauritsen,

C. J. Lister,

D. Seweryniak,

P. Chowdhury,

S. K. Tandel

Publication year - 2006

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.97.122501

Subject(s) - physics , quasiparticle , degeneracy (biology) , coupling (piping) , proton , atomic physics , crystallography , nuclear physics , condensed matter physics , materials science , chemistry , superconductivity , bioinformatics , metallurgy , biology

A K(pi)=13+, 280 ns four-quasiparticle isomer in the odd-odd nucleus 174Lu has been identified and characterized. The isomer decays to both K(pi)=7(+) and K(pi)=0(+) rotational bands obtained from the parallel and antiparallel coupling of the proton 7/2+[404] and neutron 7/2+[633] orbitals. K mixing caused by particle-rotation coupling explains the anomalously fast transition rates to the 7+ band but those to the 0+ band are caused by a chance degeneracy between the isomer and a collective state, allowing the mixing matrix element for a large K difference to be deduced.

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