Two-meson cloud contribution to the baryon antidecuplet binding
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Two-meson cloud contribution to the baryon antidecuplet binding

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Two-meson cloud contribution to the baryon antidecuplet binding

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dc.contributor.author Hosaka, Atsushi
dc.contributor.author Hyodo, T.
dc.contributor.author Llanes Estrada, Felipe J.
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Peláez Sagredo, José Ramón
dc.contributor.author Vicente Vacas, Manuel José
dc.date.accessioned 2014-10-29T10:49:14Z
dc.date.available 2014-10-29T10:49:14Z
dc.date.issued 2005
dc.identifier.uri http://hdl.handle.net/10550/39472
dc.description.abstract We study the two-meson virtual cloud contribution to the self-energy of the SU(3) antidecuplet, to which the Theta(+) pentaquark is assumed to belong. This is motivated by the large branching ratio of the N(1710) decay into two pions and one nucleon. We derive effective Lagrangians that describe the N(1710) decay into N pi pi with two pions in s or p wave. We obtain increased binding for all members of the antidecuplet and a contribution to the mass splitting between states with different strangeness which is at least 20% of the empirical one. We also provide predictions for three-body decays of the pentaquark antidecuplet.
dc.language.iso eng
dc.relation.ispartof Physical Review C, 2005, vol. 71, num. 4, p. 045205-1-045205-12
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Hosaka, Atsushi Hyodo, T. Llanes Estrada, Felipe J. Oset Báguena, Eulogio Peláez Sagredo, José Ramón Vicente Vacas, Manuel José 2005 Two-meson cloud contribution to the baryon antidecuplet binding Physical Review C 71 4 045205-1 045205-12
dc.subject Física
dc.title Two-meson cloud contribution to the baryon antidecuplet binding
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-10-29T10:49:14Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevC.71.045205
dc.identifier.idgrec 025713

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