Effects of the density dependence of nuclear symmetry energy on properties of superheavy nuclei

Details Effects of the density dependence of nuclear symmetry energy on properties of superheavy nuclei Effects of the density dependence of nuclear symmetry energy on properties of superheavy nuclei

2010-03-18

arxiv.org/abs/1003.3520v1

Phys.Rev.C81:044306,2010

Physics

Nuclear Physics

Nuclear Theory

20 pages, 11 figures

Scientific paper

10.1103/PhysRevC.81.044306

Effects of the density dependence of the nuclear symmetry energy on ground-state properties of superheavy nuclei are studied in the relativistic mean-field theory. It is found that the softening of the symmetry energy plays an important role in the empirical shift [Phys. Rev. C 67, 024309 (2003)] of spherical orbitals in superheavy nuclei. The calculation based on the relativistic mean-field models NL3 and FSUGold supports the double shell closure in $^{292}120$ with the softening of the symmetry energy. In addition, the significant effect of the density dependence of the symmetry energy on the neutron skin thickness in superheavy nuclei are investigated.

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