Application of contact interactions to Borromean halos

Phys. Rev. C 56, 3054 – Published 1 December 1997
H. Esbensen, G. F. Bertsch, and K. Hencken


11Li and 6He are described as three-body systems using different approaches. We compare our technique, based on a density-dependent, cutoff, contact interaction between the valence neutrons, with a Faddeev approach which is based on realistic interactions. The ground state properties of a weakly bound two-neutron halo are described fairly well once the contact interaction has been adjusted and calibrated to produce a realistic scattering length and effective range.


  • Received 5 May 1997
  • Published in the issue dated December 1997

© 1997 The American Physical Society

Authors & Affiliations

H. Esbensen

  • Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

G. F. Bertsch and K. Hencken

  • Institute for Nuclear Theory, University of Washington, Seattle, Washington 98195

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