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An α-Particle Model for 16O: Is There a New Four-Body Scale?

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Abstract.

The 16O nucleus is modelled as a system of four α-particles. It is shown that a Hamiltonian that includes established two- and three-body forces reproducing the α-α phase shifts, the 8Be resonance, and the first and second 0+ states of 12C overbinds the 16O nucleus. To rectify this a novel four-body force is introduced, which then leads to a good agreement with the low-lying experimental spectrum of 16O.

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Authors and Affiliations

  1. The Racah Institute of Physics, The Hebrew University, 91904, Jerusalem, Israel

    Y. Ronen & N. Barnea

  2. Department of Physics and INFN, University of Trento, 38050, Povo, Italy

    W. Leidemann

Authors
  1. Y. Ronen
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  2. N. Barnea
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  3. W. Leidemann
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Ronen, Y., Barnea, N. & Leidemann, W. An α-Particle Model for 16O: Is There a New Four-Body Scale?. Few-Body Systems 38, 97–101 (2006). https://doi.org/10.1007/s00601-005-0147-6

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  • DOI: https://doi.org/10.1007/s00601-005-0147-6

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