The neutron skin of ${}^{208}$Pb and the density dependence of the symmetry energy

Abstract

We explore neutron skin predictions for ${}^{208}$Pb in relation to the symmetry pressure in various microscopic models based on realistic nucleon-nucleon potentials and either the Dirac-Brueckner-Hartree-Fock approach or the conventional Brueckner-Hartree-Fock framework implemented with three-body forces. We also discuss the correlation between the neutron skin and the radius of a fixed-mass neutron star.

arXiv comment12 pages, 12 figures. Submitted to Physical Review C

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• Energy density functional for nuclei and neutron stars
• Single-nucleon potential decomposition of the nuclear symmetry energy
• The Microscopic Approach to Nuclear Matter and Neutron Star Matter
• Neutron skin uncertainties of Skyrme energy density functionals
• Surface properties of neutron-rich exotic nuclei: A source for studying the nuclear symmetry energy
• The surface properties of neutron-rich exotic nuclei within relativistic mean field formalisms
• Nuclear charge and neutron radii and nuclear matter: trend analysis
• Constraints on the inner edge of neutron star crusts from relativistic nuclear energy density functionals
• Neutron star structure and collective excitations of finite nuclei
• Neutron/proton ratio of nucleon emissions as a probe of neutron skin
• Temperature dependence of the symmetry energy and neutron skins in Ni, Sn, and Pb isotopic chains
• Volume and surface contributions to the nuclear symmetry energy within the coherent density fluctuation model
• Temperature dependence of the volume and surface contributions to the nuclear symmetry energy within the coherent density fluctuation model
• Microscopic approach to the nucleon-nucleon effective interaction and nucleon-nucleon scattering in symmetric and isospin-asymmetric nuclear matter
• Neutron density distribution and neutron skin thickness of ${}^{208}$Pb
• Properties of ${}^{208}$Pb predicted from the relativistic equation of state in the full Dirac space
• Symmetry energy effects on isovector properties of neutron rich nuclei with a Thomas-Fermi approach
• Probing the sensitivity of the total nucleus-nucleus reaction cross section at intermediate energies to medium effects and isospin asymmetries
• Probing small neutron skin variations in isotope pairs by hyperon-antihyperon production in antiproton--nucleus interactions
• A microscopic equation of state for neutron-rich matter and its effect on neutron star properties