Nuclear symmetry energy probed by neutron skin thickness of nuclei

Details Nuclear symmetry energy probed by neutron skin thickness of nuclei Nuclear symmetry energy probed by neutron skin thickness of nuclei

2008-06-17

arxiv.org/abs/0806.2886v2

Phys.Rev.Lett.102:122502,2009

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures, changed content, to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.102.122502

We describe a relation between the symmetry energy coefficients c_sym(rho) of nuclear matter and a_sym(A) of finite nuclei that accommodates other correlations of nuclear properties with the low-density behavior of c_sym(rho). Here we take advantage of this relation to explore the prospects for constraining c_sym(rho) of systematic measurements of neutron skin sizes across the mass table, using as example present data from antiprotonic atoms. The found constraints from neutron skins are in harmony with the recent determinations from reactions and giant resonances.

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