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dc.contributor.authorDias, A. G.-
dc.contributor.authorPleitez, V-
dc.contributor.authorTonasse, M. D.-
dc.identifier.citationPhysical Review D. College Pk: American Physical Soc, v. 67, n. 9, 7 p., 2003.-
dc.description.abstractWe show that by introducing appropriate local Z(N)(Ngreater than or equal to13) symmetries in electroweak models it is possible to implement an automatic Peccei-Quinn symmetry, at the same time keeping the axion protected against gravitational effects. Although we consider here only an extension of the standard model and a particular 3-3-1 model, the strategy can be used in any kind of electroweak model. An interesting feature of this 3-3-1 model is that if we add (i) right-handed neutrinos, (ii) the conservation of the total lepton number, and (iii) a Z(2) symmetry, the Z(13) and the chiral Peccei-Quinn U(1)P-Q symmetries are both accidental symmetries in the sense that they are not imposed on the Lagrangian but are just a consequence of the particle content of the model, its gauge invariance, renormalizability, and Lorentz invariance. In addition, this model has no domain wall problem.en
dc.publisherAmerican Physical Soc-
dc.sourceWeb of Science-
dc.titleNaturally light invisible axion in models with large local discrete symmetriesen
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionCtr Tecn Aeroesp-
dc.description.affiliationUniv São Paulo, Inst Fis, BR-05315970 São Paulo, Brazil-
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.description.affiliationCtr Tecn Aeroesp, Inst Tecnol Aeronaut, BR-12228901 Sao Jose Dos Campos, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofPhysical Review D-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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