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

dc.contributor.authorLlanes Estrada, Felipe José
dc.contributor.authorPeláez Sagredo, José Ramón
dc.contributor.authorVicente Vacas, M.J.
dc.contributor.authorOset, E
dc.contributor.authorHosaka, A
dc.contributor.authorHyodo, T
dc.date.accessioned2023-06-20T10:38:10Z
dc.date.available2023-06-20T10:38:10Z
dc.date.issued2005-04
dc.description© 2005 The American Physical Society. This work is supported by the Japan-Europe (Spain) Research Cooperation Program of Japan Society for the Promotion of Science (JSPS) and Spanish Council for Scientific Research (CSIC), which enabled E.O. and M.J.V.V. to visit RCNP, Osaka. This work is partly supported by DGICYT Contract Numbers BFM2003-00856, FPA 2000-0956, and BFM 2002-01003 and the E.U. EURIDICE Network Contract No. HPRN-CT-2002 00311.
dc.description.abstractWe study the two-meson virtual cloud contribution to the self-energy of the SU(3) antidecuplet, to which the Thet (+) 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.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipJapan-Europe (Spain) Research Cooperation Program of Japan Society for the Promotion of Science (JSPS
dc.description.sponsorshipSpanish Council for Scientific Research (CSIC)
dc.description.sponsorshipDGICYT
dc.description.sponsorshipE.U. EURIDICE Network
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/23259
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dc.identifier.doi10.1103/PhysRevC.71.045205
dc.identifier.issn0556-2813
dc.identifier.officialurlhttp://dx.doi.org/10.1103/PhysRevC.71.045205
dc.identifier.relatedurlhttp://prc.aps.org
dc.identifier.urihttps://hdl.handle.net/20.500.14352/50850
dc.issue.number4
dc.journal.titlePhysical Review C
dc.language.isoeng
dc.publisherAmerican Physical Soc
dc.relation.projectIDBFM2003-00856
dc.relation.projectIDFPA 2000-0956
dc.relation.projectIDBFM 2002-01003
dc.relation.projectIDHPRN-CT-2002-00311
dc.rights.accessRightsopen access
dc.subject.cdu53
dc.subject.keywordChiral Perturbation-Theory
dc.subject.keywordPentaquark
dc.subject.keywordTheta(+)
dc.subject.keywordDynamics
dc.subject.ucmFísica (Física)
dc.subject.unesco22 Física
dc.titleTwo-meson cloud contribution to the baryon antidecuplet binding
dc.typejournal article
dc.volume.number71
dspace.entity.typePublication
relation.isAuthorOfPublication6290fe55-04e6-4532-91e6-1df735bdbdca
relation.isAuthorOfPublication70900239-cb8b-49f3-931f-9dc6a8b7d8d5
relation.isAuthorOfPublication.latestForDiscovery6290fe55-04e6-4532-91e6-1df735bdbdca
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