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Mixing effects on K-forbidden transition rates from the 6 isomers in the N = 104 isotones

Chen, F-Q, Sun, Y, Sheikh, JA, Walker, PM, Dracoulis, GD and Shimizu, YR (2013) Mixing effects on K-forbidden transition rates from the 6 isomers in the N = 104 isotones Journal of Physics G: Nuclear and Particle Physics, 40 (1).

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The problem of the very different E2 decay rates from the two-quasineutron K = 6 isomers in the N = 104 isotones Er, Yb, Hf, and W is investigated using the triaxial projected shell model with inclusion of multi-quasiparticle configurations. It is demonstrated that the highly K-forbidden transition from the 6 isomer to the ground-state band is sensitive to mixing with the 6 state of the γ-vibrational band. Thus the inter-band transitions, and lifetimes, depend on the relative position of the γ-band and the isomeric state in each isotone. © 2013 IOP Publishing Ltd.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Chen, F-Q
Sun, Y
Sheikh, JA
Walker, PM
Dracoulis, GD
Shimizu, YR
Date : January 2013
DOI : 10.1088/0954-3899/40/1/015101
Additional Information : Copyright 2013 Institute of Physics. This is the author's accepted manuscript.
Depositing User : Symplectic Elements
Date Deposited : 03 Dec 2013 09:49
Last Modified : 26 Nov 2014 14:13

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