Nuclear symmetry energy at subnormal densities from measured nuclear masses

Fengshou Zhang; Min Liu; Ning Wang; Zhuxia Li

Nuclear symmetry energy at subnormal densities from measured nuclear masses

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arxiv 1011.3865 v1 pith:OXRDFU2Z submitted 2010-11-17 nucl-th

Min Liu , Ning Wang , Zhuxia Li , Fengshou Zhang This is my paper · ORCID

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keywords energynuclearsymmetrydensitiescoefficientsextractedmassesmeasured

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The symmetry energy coefficients for nuclei with mass number A=20~250 are extracted from more than 2000 measured nuclear masses. With the semi-empirical connection between the symmetry energy coefficients of finite nuclei and the nuclear symmetry energy at reference densities, we investigate the density dependence of symmetry energy of nuclear matter at subnormal densities. The obtained results are compared with those extracted from other methods.

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Nuclear matter properties from chiral-scale effective theory including a dilatonic scalar meson
nucl-th 2024-12 reject novelty 6.0 of 10

A nuclear matter model based on chiral-scale effective theory with a dilatonic meson reproduces saturation properties and yields a stiff high-density equation of state with neutron star masses near 2.8 to 3 solar masses.

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