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Two-meson cloud contribution to the baryon antidecuplet self-energy

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Two-meson cloud contribution to the baryon antidecuplet self-energy

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dc.contributor.author	Hyodo, T.
dc.contributor.author	Hosaka, Atsushi
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	2014-10-29T09:01:05Z
dc.date.available	2014-10-29T09:01:05Z
dc.date.issued	2005
dc.identifier.citation	Hyodo, T. Hosaka, Atsushi Llanes Estrada, Felipe J. Oset Báguena, Eulogio Peláez Sagredo, José Ramón Vicente Vacas, Manuel José 2005 Two-meson cloud contribution to the baryon antidecuplet self-energy Nuclear Physics A 755 395 398
dc.identifier.uri	http://hdl.handle.net/10550/39467
dc.description.abstract	We study the self-energy of the SU(3) antidecuplet coming from two-meson virtual clouds. Assuming that the exotic Theta(+) belongs to an antidecuplet representation with N(1710) as nucleon partner, we derive effective Lagrangians that describe the decay of N(1710) into N pi pi with two pions in s- or p-wave. It is found that the self-energies for all members of the antidecuplet are attractive, and the larger strangeness particle is more bound. From two-meson cloud, we obtain about 20% of the empirical mass splitting between states with different strangeness.
dc.language.iso	eng
dc.relation.ispartof	Nuclear Physics A, 2005, vol. 755, p. 395-398
dc.subject	Física
dc.title	Two-meson cloud contribution to the baryon antidecuplet self-energy
dc.type	journal article	es_ES
dc.date.updated	2014-10-29T09:01:05Z
dc.identifier.doi	10.1016/j.nuclphysa.2005.03.044
dc.identifier.idgrec	025701
dc.rights.accessRights	open access	es_ES