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Improved unitarized heavy baryon chiral perturbation theory for pi N scattering to fourth order

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dc.contributor.author	Gómez Nicola, Ángel
dc.contributor.author	Nieves Pamplona, Juan Miguel
dc.contributor.author	Peláez Sagredo, José Ramón
dc.contributor.author	Ruiz Arriola, Enrique
dc.date.accessioned	2014-10-20T08:05:08Z
dc.date.available	2014-10-20T08:05:08Z
dc.date.issued	2004
dc.identifier.citation	Gómez Nicola, Ángel Nieves Pamplona, Juan Miguel Peláez Sagredo, José Ramón Ruiz Arriola, Enrique 2004 Improved unitarized heavy baryon chiral perturbation theory for pi N scattering to fourth order Physical Review D 69 7 076007
dc.identifier.uri	http://hdl.handle.net/10550/39250
dc.description.abstract	We extend our previous analysis of the unitarized pion-nucleon scattering amplitude including up to fourth order terms in heavy baryon chiral perturbation theory. We pay special attention to the stability of the generated Delta(1232) resonance, the convergence problems, and the power counting of the chiral parameters.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2004, vol. 69, num. 7, p. 076007
dc.subject	Física
dc.title	Improved unitarized heavy baryon chiral perturbation theory for pi N scattering to fourth order
dc.type	journal article	es_ES
dc.date.updated	2014-10-20T08:05:08Z
dc.identifier.doi	10.1103/PhysRevD.69.076007
dc.identifier.idgrec	068588
dc.rights.accessRights	open access	es_ES