Density dependence of the symmetry energy from neutron skin thickness in finite nuclei

. The density dependence of the symmetry energy around saturation density, characterized by the slope parameter L , is studied using information provided by the neutron skin thickness in finite nuclei. An estimate for L is obtained from experimental data on neutron skins extracted from antiprotonic...

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Bibliographic Details
Published in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2014, Vol.50 (2), Article 27
Main Authors: Viñas, X., Centelles, M., Roca-Maza, X., Warda, M.
Format: Article
Language:English
Subjects:
CP violation (Nuclear physics)
Electrones
Electrons
Física nuclear
Hadrons
Heavy Ions
Neutrons
Nuclear Fusion
Nuclear Physics
Particle and Nuclear Physics
Particles (Nuclear physics)
Partícules (Física nuclear)
Physics
Physics and Astronomy
Review
Simetria (Física)
Symmetry (Physics)
Topical issue on Nuclear Symmetry Energy
Violació CP (Física nuclear)
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Summary:. The density dependence of the symmetry energy around saturation density, characterized by the slope parameter L , is studied using information provided by the neutron skin thickness in finite nuclei. An estimate for L is obtained from experimental data on neutron skins extracted from antiprotonic atoms. We also discuss the ability of parity-violating elastic electron scattering to obtain information on the neutron skin thickness in 208 Pb and to constrain the density dependence of the nuclear symmetry energy. The size and shape of the neutron density distribution of 208 Pb predicted by mean-field models is briefly addressed. We conclude with a comparative overview of the L values predicted by several existing determinations.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/i2014-14027-8