Neutron-proton mass difference in nuclear matter

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Isospin-breaking effects in nuclear matter are studied in the framework of a medium-modified Skyrme model. The proposed effective Lagrangian incorporates both the medium influence of the surrounding nuclear environment on the single nucleon properties and an explicit isospin-breaking effect in the mesonic sector. The approach predicts that the neutron-proton mass difference decreases in isospin-symmetric nuclear matter but by a very small amount only.
8 pages, 4 figures, revised version

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/175583

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0611066
 http://arxiv.org/abs/nucl-th/0611066
 Eur.Phys.J.A31:357-364,2007
 doi:10.1140/epja/i2006-10274-6

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arXiv