2021 Impact factor 3.131
Hadrons and Nuclei
Eur. Phys. J. A 5, 371-372

No Tetra-proton cluster in 20Mg

R. Sherr1 - H.T. Fortune2 - B.A. Brown3

1 Department of Physics, Princeton University, Princeton, NJ 08544, USA
2 Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
3 National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA

Received: 14 May 1999 Communicated by B. Povh

Despite a recent suggestion of Chulkov, et al., we find no evidence for a tetra-proton cluster in 20Mg. The binding energy and radius are easily understood without such a cluster.

21.10.Dr Binding energies and masses - 21.10.Sf Coulomb energies - 21.60.Gx Cluster models

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