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Phys. Rev. C 72, 024304 (2005) [17 pages]

High-spin states in 92-96Zr nuclei

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D. Pantelica et al.
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Received 10 June 2004; revised 8 April 2005; published 11 August 2005

The 92-96Zr nuclei were produced as fission fragments following the fusion reactions 28Si+176Yb and 31P+176Yb at 145 and 152 MeV bombarding energy, respectively. Prompt γ rays emitted in the two reactions were detected with the EUROGAM II and EUROBALL IV arrays. Sequences of γ-ray transitions observed in coincidence were newly assigned to 93-96Zr. The previously known level schemes have been extended to higher excitation energies and higher spins. The experimental results are discussed in the framework of shell-model calculations with 88Sr assumed to be an inert core and the valence protons and neutrons filling the π(2p1/2,1g9/2) and ν(2d5/2,3s1/2) orbitals.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.72.024304
DOI:
10.1103/PhysRevC.72.024304
PACS:
21.60.Cs, 25.85.Ge