Discrete symmetries, invisible axion and lepton number symmetry in an economic 3-3-1 model

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dc.creatorDias, Alex G.
dc.creatorPires, C. A. de S.
dc.creatorda Silva, P. S. Rodrigues
dc.date2003-09-05
dc.date.accessioned2026-07-07T11:31:28Z
dc.date.available2026-07-07T11:31:28Z
dc.descriptionWe show that Peccei-Quinn and lepton number symmetries can be a natural outcome in a 3-3-1 model with right-handed neutrinos after imposing a Z_11 x Z_2 symmetry. This symmetry is suitably accommodated in this model when we augmented its spectrum by including merely one singlet scalar field. We work out the breaking of the Peccei-Quinn symmetry, yielding the axion, and study the phenomenological consequences. The main result of this work is that the solution to the strong CP problem can be implemented in a natural way, implying an invisible axion phenomenologically unconstrained, free of domain wall formation and constituting a good candidate for the cold dark matter.
dc.description17 pages, Revtex4
dc.identifierhttps://arxiv.org/abs/hep-ph/0309058
dc.identifierhttp://arxiv.org/abs/hep-ph/0309058
dc.identifierPhys.Rev.D68:115009,2003
dc.identifierdoi:10.1103/PhysRevD.68.115009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/197279
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDiscrete symmetries, invisible axion and lepton number symmetry in an economic 3-3-1 model
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