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Hiroyuki Sagawa

University of Aizu, Japan
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Neutron Skin Thickness and Equation of State in Asymmetric
Nuclear Matter

The neutron skin thickness of stable and unstable
nuclei is studied in Skyrme Hartree-Fock (SHF) and relativistic mean field
(RMF) models to investigate the relation between the incompressibility,
the pressure and the equation of state (EOS) in neutron matter.
We found a clear linear correlation between the
neutron skin thickness in heavy nuclei, ^{132}Sn and ^{208}Pb and the
pressure of neutron matter in both SHF and RMF models,
while the correlation is weak in the unstable nuclei ^{32}Mg and ^{44}Ar. Relations between the neutron skin thickness and other nuclear matter
properties such as the symmetry energy coefficients and the
nuclear incompressibility will be discussed.

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