The alpha-particle based on modern nuclear forces

Details The alpha-particle based on modern nuclear forces The alpha-particle based on modern nuclear forces

2001-12-11

arxiv.org/abs/nucl-th/0112026v2

Phys.Rev.C65:054003,2002

Physics

Nuclear Physics

Nuclear Theory

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

Scientific paper

10.1103/PhysRevC.65.054003

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.

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