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Leading SU(3)-Breaking Corrections to the Baryon Magnetic Moments in Chiral Perturbation Theory

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Leading SU(3)-Breaking Corrections to the Baryon Magnetic Moments in Chiral Perturbation Theory

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dc.contributor.author Geng, Li Sheng
dc.contributor.author Martín Camalich, Jorge
dc.contributor.author Álvarez Ruso, Luis
dc.contributor.author Vicente Vacas, Manuel José
dc.date.accessioned 2014-10-29T12:50:08Z
dc.date.available 2014-10-29T12:50:08Z
dc.date.issued 2008
dc.identifier.citation Geng, Li Sheng Martín Camalich, Jorge Álvarez Ruso, Luis Vicente Vacas, Manuel José 2008 Leading SU(3)-Breaking Corrections to the Baryon Magnetic Moments in Chiral Perturbation Theory Physical Review Letters 101 22 2220022
dc.identifier.uri http://hdl.handle.net/10550/39499
dc.description.abstract We calculate the baryon magnetic moments using covariant chiral perturbation theory (chi PT) within the extended-on-mass-shell renormalization scheme. By fitting the two available low-energy constants, we improve the Coleman-Glashow description of the data when we include the leading SU(3)-breaking effects coming from the lowest-order loops. This success is in dramatic contrast with previous attempts at the same order using heavy-baryon chi PT and covariant infrared chi PT. We also analyze the source of this improvement with particular attention to the comparison between the covariant results.
dc.language.iso eng
dc.relation.ispartof Physical Review Letters, 2008, vol. 101, num. 22, p. 2220022
dc.subject Física
dc.title Leading SU(3)-Breaking Corrections to the Baryon Magnetic Moments in Chiral Perturbation Theory
dc.type journal article es_ES
dc.date.updated 2014-10-29T12:50:08Z
dc.identifier.doi 10.1103/PhysRevLett.101.222002
dc.identifier.idgrec 079950
dc.rights.accessRights open access es_ES

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