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In-beam γ-ray spectroscopy on56Ni
Authors:J. Blomqvist  S. A. Hjorth  A. Johnson  A. Kerek  W. Klamra  A. Nilsson  J. Nyberg  S. E. Arnell  S. Mattsson  H. Roth  Ö. Skeppstedt
Affiliation:1. Research Institute of Physics, S-10405, Stockholm, Sweden
2. Chalmers University of Technology, S-41296, Gothenburg, Sweden
Abstract:Yrast levels in the doubly-magic nucleus56Ni have been studied by in-beam gg-spectroscopy with the reaction54Fe(α, 2n)56Ni. A cascade of five γ -transitions is established. A shell model calculation of 2p2h, T=0 states, using empirical matrix elements, suggests the assignments 8+ and 10+ for the two highest levels.
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