The α particle based on modern nuclear forces

A. Nogga, H. Kamada, W. Glöckle, and B. R. Barrett
Phys. Rev. C 65, 054003 – Published 10 May 2002
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Abstract

The Faddeev-Yakubovsky equations for the α particle are solved. Accurate results are obtained for several modern nucleon-nucleon (NN) interaction models, which include charge-symmetry breaking effects in the NN force, nucleon mass dependences as well as the Coulomb interaction. These models are augmented by three-nucleon forces of different types and adjusted to the 3N binding energy. Our results are close to the experimental binding energy with a slight overbinding. Thus there is only little room left for the contribution of possible 4N interactions to the α-particle binding energy. We also discuss model dependences of the binding energies and the wave functions.

  • Received 12 December 2001

DOI:https://doi.org/10.1103/PhysRevC.65.054003

©2002 American Physical Society

Authors & Affiliations

A. Nogga1, H. Kamada2, W. Glöckle3, and B. R. Barrett1

  • 1Department of Physics, University of Arizona, Tucson, Arizona 85721
  • 2Department of Physics, Faculty of Engineering, Kyushu Institute of Technology, Kitakyushu 804-8550, Japan
  • 3Institut für theoretische Physik II, Ruhr-Universität Bochum, D-44780 Bochum, Germany

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Vol. 65, Iss. 5 — May 2002

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