Comparative study of three-nucleon potentials in nuclear matter

Details Comparative study of three-nucleon potentials in nuclear matter Comparative study of three-nucleon potentials in nuclear matter

2011-09-26

arxiv.org/abs/1109.5489v1

Physics

Nuclear Physics

Nuclear Theory

14 pages, 8 figures

Scientific paper

A new generation of local three-body potentials providing an excellent description of the properties of light nuclei, as well as of the neutron-deuteron doublet scattering length, has been recently derived. We have performed a comparative analysis of the equations of state of both pure neutron matter and symmetric nuclear matter obtained using these models of three-nucleon forces. None of the considered potentials simultaneously explains the empirical equilibrium density and binding energy of symmetric nuclear matter. However, two of them provide reasonable values of the saturation density. The ambiguity concerning the treatment of the contact term of the chiral inspired potentials is discussed.

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