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Nuclear symmetry energy and the role of the tensor force

Authors: I. VidaƱa, A. Polls, and C. Providencia

Ref.: Physical Review C 84, 062801 (2011)

Abstract: Using the Hellmann-Feynman theorem we analyze the contribution of the different terms of the nucleon-nucleon interaction to the nuclear symmetry energy Esym and the slope parameter L. The analysis is performed within the microscopic Brueckner-Hartree-Fock approach using the Argonne V18 potential plus the Urbana IX three-body force. We find that the main contribution to Esym and L comes from the tensor component of the nuclear force.

DOI: 10.1103/PhysRevC.84.062801