In-beam γ -ray spectroscopy studies of medium-spin states in the odd-odd nucleus Re186 | Zendy

D. A. Matters | Zendy; F. G. Kondev | Zendy; N. Aoi | Zendy; Y. Ayyad | Zendy; A.P. Byrne | Zendy; M. P. Carpenter | Zendy; J. J. Carroll | Zendy; C. J. Chiara | Zendy; P. M. Davidson | Zendy; G.D. Dracoulis | Zendy; Y. Fang | Zendy; C. R. Hoffman | Zendy; R. O. Hughes | Zendy; E. Ideguchi | Zendy; R. V. F. Janssens | Zendy; S. Kanaya | Zendy; B. P. Kay | Zendy; T. Kibédi | Zendy; G. J. Lane | Zendy; T. Lauritsen | Zendy; John W. McClory | Zendy; P. Nieminen | Zendy; S. Noji | Zendy; A. Odahara | Zendy; H. J. Ong | Zendy; A. E. Stuchbery | Zendy; D. T. Tran | Zendy; H. Watanabe | Zendy; A. N. Wilson | Zendy; Yukio Yamamoto | Zendy; S. J. Zhu | Zendy

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In-beam γ -ray spectroscopy studies of medium-spin states in the odd-odd nucleus Re186

Author(s) -

D. A. Matters,

F. G. Kondev,

N. Aoi,

Y. Ayyad,

A.P. Byrne,

M. P. Carpenter,

J. J. Carroll,

C. J. Chiara,

P. M. Davidson,

G.D. Dracoulis,

Y. Fang,

C. R. Hoffman,

R. O. Hughes,

E. Ideguchi,

R. V. F. Janssens,

S. Kanaya,

B. P. Kay,

T. Kibédi,

G. J. Lane,

T. Lauritsen,

John W. McClory,

P. Nieminen,

S. Noji,

A. Odahara,

H. J. Ong,

A. E. Stuchbery,

D. T. Tran,

H. Watanabe,

A. N. Wilson,

Yukio Yamamoto,

S. J. Zhu

Publication year - 2017

Publication title -

physical review. c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.679

H-Index - 235

eISSN - 2469-9993

pISSN - 2469-9985

DOI - 10.1103/physrevc.96.014318

Subject(s) - physics , excited state , quasiparticle , atomic physics , spins , pairing , spectroscopy , spin (aerodynamics) , proton , nuclear physics , condensed matter physics , quantum mechanics , superconductivity , thermodynamics

Excited states in Re186 with spins up to J=12 were investigated in two separate experiments using W186(d,2n) reactions at beam energies of 12.5 and 14.5 MeV. Two- and threefold γ-ray coincidence data were collected using the CAESAR and CAGRA spectrometers, respectively, each composed of Compton-suppressed high-purity germanium detectors. Analysis of the data revealed rotational bands built on several two-quasiparticle intrinsic states, including a long-lived Kπ=(8+) isomer. Configuration assignments were supported by an analysis of in-band properties, such as gK-gR values. The excitation energies of the observed intrinsic states were compared with results from multi-quasiparticle blocking calculations, based on the Lipkin-Nogami pairing approach, that included contributions from the residual proton-neutron interactions.

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