Competing quasiparticle configurations in W163

J. Thomson et al.
Phys. Rev. C 81, 014307 – Published 15 January 2010

Abstract

Excited states in the neutron-deficient nuclide W163 were investigated using the Cd106(Ni60,2pn)W163 reaction at a beam energy of 270 MeV. The level scheme for W163 was extended significantly with the observation of five new band structures. The yrast band based on a 13/2+ isomeric state is extended up to (57/2+). Two band structures were established on the 7/2 ground state. Quasiparticle configuration assignments for the new band structures were made on the basis of cranked Woods-Saxon shell-model calculations. The results reported in this article suggest that the negative-parity ν(f7/2,h9/2) orbitals are responsible for the first rotational alignment in the yrast band.

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  • Received 30 October 2009

DOI:https://doi.org/10.1103/PhysRevC.81.014307

©2010 American Physical Society

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Isomeric and ground-state properties of 78171Pt, 76167Os, and 74163W

C. Scholey et al.
Phys. Rev. C 81, 014306 (2010)

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Vol. 81, Iss. 1 — January 2010

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