The alpha-particle based on modern nuclear forces

Abstract

The Faddeev-Yakubovsky equations for the alpha-particle are solved. Accurate results are obtained for several modern 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 alpha-particle binding energy. We also discuss model dependences of the binding energies and the wave functions.

22 pages REVTeX 4, 12 figures, table with TM parameters added, typos corrected, version as published in PRC

References in corpus (1)

• Realistic models of pion-exchange three-nucleon interactions

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