Chiral approach to the rho meson in nuclear matter
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Chiral approach to the rho meson in nuclear matter

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Chiral approach to the rho meson in nuclear matter

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dc.contributor.author Cabrera Urbán, Daniel
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Vicente Vacas, Manuel José
dc.date.accessioned 2014-10-24T09:37:46Z
dc.date.available 2014-10-24T09:37:46Z
dc.date.issued 2002
dc.identifier.uri http://hdl.handle.net/10550/39345
dc.description.abstract In this work, the properties of the rho meson at rest in cold symmetric nuclear matter are studied. We make use of a chiral unitary approach to pion-pion scattering in the vector-isovector channel, calculated from the lowest-order Chiral Perturbation Theory (chiPT) Lagrangian including explicit resonance fields. Low-energy chiral constraints are considered by matching our expressions to those of one-loop chiPT. To account for the medium corrections, the rho couples to pipi pairs which are properly renormalized in the nuclear medium, accounting for both p-h and Delta-h excitations. The terms where the rho couples directly to the hadrons in the p-h or Delta-h excitations are also accounted for. In addition, the rho is also allowed to couple to N*(1520)-h components.
dc.language.iso eng
dc.relation.ispartof Nuclear Physics A, 2002, vol. 705, num. 1-2, p. 90-118
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Cabrera, D. Oset Báguena, Eulogio Vicente Vacas, Manuel José 2002 Chiral approach to the rho meson in nuclear matter Nuclear Physics A 705 1-2 90 118
dc.subject Física
dc.title Chiral approach to the rho meson in nuclear matter
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-10-24T09:37:46Z
dc.identifier.doi http://dx.doi.org/10.1016/S0375-9474(02)00612-7
dc.identifier.idgrec 036299

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