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Chiral symmetry and quantum hadro-dynamics

Using the linear sigma model, we study the evolutions of the quark condensate and of the nucleon mass in the nuclear medium. Our formulation of the model allows the inclusion of both pion and scalar-isoscalar degrees of freedom. It guarantees that the low energy theorems and the constrains of chiral...

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Detalles Bibliográficos
Autores principales: Chanfray, G., Ericson, Magda, Guichon, Pierre A.M.
Lenguaje:eng
Publicado: 2000
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevC.63.055202
http://cds.cern.ch/record/479415