Two-meson cloud contribution to the baryon antidecuplet binding

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dc.creatorHosaka, A.
dc.creatorHyodo, T.
dc.creatorLlanes-Estrada, F. J.
dc.creatorOset, E.
dc.creatorPelaez, J. R.
dc.creatorVacas, M. J. Vicente
dc.date2004-11-23
dc.date2005-04-05
dc.date.accessioned2026-07-07T11:43:31Z
dc.date.available2026-07-07T11:43:31Z
dc.descriptionWe 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.description13 pages, To appear in Phys. Rev. C
dc.identifierhttps://arxiv.org/abs/hep-ph/0411311
dc.identifierhttp://arxiv.org/abs/hep-ph/0411311
dc.identifierPhys.Rev.C71:045205,2005
dc.identifierdoi:10.1103/PhysRevC.71.045205
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201269
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTwo-meson cloud contribution to the baryon antidecuplet binding
dc.typetext

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