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Neutron Star Structure and the Neutron Radius of 208Pb

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arxiv astro-ph/0010227 v2 pith:YRFOO7QH submitted 2000-10-11 astro-ph nucl-exnucl-th

Neutron Star Structure and the Neutron Radius of 208Pb

classification astro-ph nucl-exnucl-th
keywords neutrondensityelectronneutron-richpropertiesradiusskinstructure
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study relationships between the neutron-rich skin of a heavy nucleus and the properties of neutron-star crusts. Relativistic effective field theories with a thicker neutron skin in $^{208}$Pb have a larger electron fraction and a lower liquid-to-solid transition density for neutron-rich matter. These properties are determined by the density dependence of the symmetry energy which we vary by adding nonlinear couplings between isoscalar and isovector mesons. An accurate measurement of the neutron radius in $^{208}$Pb---via parity violating electron scattering---may have important implications for the structure of neutron stars.

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Cited by 7 Pith papers

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  4. The crust of dark-matter admixed neutron stars: bulk properties and torsional oscillations

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    astro-ph.HE 2026-06 unverdicted novelty 4.0

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