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Title: Density dependence of the symmetry energy from neutron skin thickness in finite nuclei
Author: Viñas Gausí, Xavier
Centelles Aixalà, Mario
Roca Maza, Xavier
Warda, M.
Keywords: Neutrons
Violació CP (Física nuclear)
Simetria (Física)
Física nuclear
Partícules (Física nuclear)
CP violation (Nuclear physics)
Symmetry (Physics)
Nuclear physics
Particles (Nuclear physics)
Issue Date: 2014
Publisher: Società Italiana di Fisica & Springer Verlag
Abstract: 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 208Pb and to constrain the density dependence of the nuclear symmetry energy. The size and shape of the neutron density distribution of 208Pb predicted by mean-field models is briefly addressed. We conclude with a comparative overview of the L values predicted by several existing determinations.
Note: Versió postprint del document publicat a:
It is part of: European Physical Journal A, 2014, vol. 50, p. 27-1-27-16
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ISSN: 1434-6001
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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