The European Physical Journal A - Hadrons and Nuclei

, Volume 5, Issue 4, pp 371–372

No Tetra-proton cluster in 20Mg

  • R. Sherr
  • H.T. Fortune
  • B.A. Brown
Nuclear structure and reactions

DOI: 10.1007/s100500050299

Cite this article as:
Sherr, R., Fortune, H. & Brown, B. Eur. Phys. J. A (1999) 5: 371. doi:10.1007/s100500050299


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.

PACS:21.10.Dr Binding energies and masses – 21.10.Sf Coulomb energies – 21.60.Gx Cluster models

Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • R. Sherr
    • 1
  • H.T. Fortune
    • 2
  • B.A. Brown
    • 3
  1. 1.Department of Physics, Princeton University, Princeton, NJ 08544, USAUS
  2. 2.Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USAUS
  3. 3.National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USAUS