An SU(5)$\otimes$Z_{13} Grand Unification Model

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dc.creatorDias, Alex G.
dc.creatorFranco, Edison T.
dc.creatorPleitez, Vicente
dc.date2007-08-07
dc.date2007-12-08
dc.date.accessioned2026-07-07T11:18:30Z
dc.date.available2026-07-07T11:18:30Z
dc.descriptionWe propose an SU(5) grand unified model with an invisible axion and the unification of the three coupling constants which is in agreement with the values, at $M_Z$, of $α$, $α_s$, and $\sin^2θ_W$. A discrete, anomalous, $Z_{13}$ symmetry implies that the Peccei-Quinn symmetry is an automatic symmetry of the classical Lagrangian protecting, at the same time, the invisible axion against possible semi-classical gravity effects. Although the unification scale is of the order of the Peccei-Quinn scale the proton is stabilized by the fact that in this model the standard model fields form the SU(5) multiplets completed by new exotic fields and, also, because it is protected by the $Z_{13}$ symmetry.
dc.description14 pages, more typos corrected
dc.identifierhttps://arxiv.org/abs/0708.1009
dc.identifierhttp://arxiv.org/abs/0708.1009
dc.identifierPhys.Rev.D76:115010,2007
dc.identifierdoi:10.1103/PhysRevD.76.115010
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193366
dc.subjectHigh Energy Physics - Phenomenology
dc.titleAn SU(5)$\otimes$Z_{13} Grand Unification Model
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