Charge density of light exotic nuclei and $ρNN$ tensor coupling

Details Charge density of light exotic nuclei and $ρNN$ tensor coupling Charge density of light exotic nuclei and $ρNN$ tensor coupling

2006-02-16

arxiv.org/abs/nucl-th/0602049v1

Phys.Lett.B617:33,2005

Physics

Nuclear Physics

Nuclear Theory

13 pages, 4 figures

Scientific paper

10.1016/j.physletb.2005.04.055

We use a relativistic mean field model to study the charge density distributions of exotic oxygen isotopes. Nonlinear isoscalar-isovector terms which are not constrained by the present data are considered and the $\rho NN$ tensor coupling that does not affect the symmetry energy in the mean field model is included. Strong correlations between the neutron radius of $^{208}$Pb and the charge radius of $^{12,13,23,24}$O are found. The $\rho NN$ tensor coupling explicitly enhances the radius correlations between $^{23,24}$O and $^{208}$Pb. This enhancement is due to the neutron occupation of the orbital $2s_{1/2}$. The charge radius is sensitive to the change of the density dependence of the symmetry energy as the isotope goes towards the proton drip line.

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