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Neutron s states in loosely bound nuclei

C. R. Hoffman, B. P. Kay, and J. P. Schiffer
Phys. Rev. C 89, 061305(R) – Published 13 June 2014
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Abstract

In reviewing the data that has accumulated about light nuclei, we find that the binding energy plays a critical role in describing the variation in energy of s states relative to other states. The behavior of states with zero angular momentum within a few MeV of threshold is qualitatively different from that of neutron states with any other value or of any proton state. This observation is explored for simple Woods-Saxon potentials and is remarkably successful in describing a wealth of experimental data for nuclei with neutron numbers between 5 and 10. The lingering of neutron s states just below threshold is associated with the increases in radii of the neutron density distributions, the neutron halos, and leads to speculations about possible halos in heavier nuclei.

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  • Received 6 November 2013
  • Revised 13 May 2014

DOI:https://doi.org/10.1103/PhysRevC.89.061305

©2014 American Physical Society

Authors & Affiliations

C. R. Hoffman, B. P. Kay, and J. P. Schiffer

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

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Issue

Vol. 89, Iss. 6 — June 2014

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