Symmetry Energy and Neutron Skin Thickness

SHEN Gang; LI Jun; Hillhouse G. C; MENG Jie; #

doi:10.11804/NuclPhysRev.22.01.032

SHEN Gang, LI Jun, Hillhouse G. C, MENG Jie, #. Symmetry Energy and Neutron Skin Thickness[J]. Nuclear Physics Review, 2005, 22(1): 32-33. DOI: 10.11804/NuclPhysRev.22.01.032

Citation:

SHEN Gang, LI Jun, Hillhouse G. C, MENG Jie, #. Symmetry Energy and Neutron Skin Thickness[J]. Nuclear Physics Review, 2005, 22(1): 32-33. DOI: 10.11804/NuclPhysRev.22.01.032

Citation:

SHEN Gang, LI Jun, Hillhouse G. C, MENG Jie, #. Symmetry Energy and Neutron Skin Thickness[J]. Nuclear Physics Review, 2005, 22(1): 32-33. DOI: 10.11804/NuclPhysRev.22.01.032

Symmetry Energy and Neutron Skin Thickness

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After adding isospin dependent high order correction terms to existing relativistic mean field models (RMF), the density dependence of symmetry energy and the neutron skin thickness S for 208Pb are studied. Using the new effective interaction PK1, together with NL3, S271 and Z271, a range of 29—38 MeV for the symmetry energy for nuclear matter at saturation point and the corresponding neutron skin thickness S = 0.14—0.28 fm for 208Pb are obtained. For all effective interactions, a linear relation between the symmetry energy at saturation point and the neutron skin thickness for 208Pb is observed.

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