Structure of three-quasiparticle isomers inHo169andTm171 | Zendy

G.D. Dracoulis | Zendy; G. J. Lane | Zendy; R. O. Hughes | Zendy; F. G. Kondev | Zendy; H. Watanabe | Zendy; D. Seweryniak | Zendy; S. Zhu | Zendy; M. P. Carpenter | Zendy; C. J. Chiara | Zendy; R. V. F. Janssens | Zendy; T. Lauritsen | Zendy; C. J. Lister | Zendy; E. A. McCutchan | Zendy; I. Ştefânescu | Zendy; P. Chowdhury | Zendy

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Structure of three-quasiparticle isomers inHo169andTm171

Author(s) -

G.D. Dracoulis,

G. J. Lane,

R. O. Hughes,

F. G. Kondev,

H. Watanabe,

D. Seweryniak,

S. Zhu,

M. P. Carpenter,

C. J. Chiara,

R. V. F. Janssens,

T. Lauritsen,

C. J. Lister,

E. A. McCutchan,

I. Ştefânescu,

P. Chowdhury

Publication year - 2010

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.82.034317

Subject(s) - quasiparticle , physics , proton , neutron , atomic physics , crystallography , nuclear physics , condensed matter physics , superconductivity , chemistry

A three-quasiparticle isomer with τ = 170(8) μs and K π = (19/2 + ) has been identified in the neutron-rich isotope 169 Ho. The isomer decays with K-forbidden transitions to members of a band associated with the 7/2-[523] proton configuration, whose structure is characterized through analysis of the in-band γ-ray branching ratios. In the isotone 171 Tm, the rotational band based on the known 19/2 + , three-quasiparticle isomer has also been observed. Alternative one-proton two-neutron configurations for the isomer in 169 Ho are discussed in terms of multiquasiparticle calculations and through a comparison with the structures observed in 171 Tm.

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