Phenomenology of the $SU(3{)}_c\otimes SU(3{)}_L\otimes U(1{)}_X$ model with exotic charged leptons

Abstract

A phenomenological analysis of the three-family model based on the local gauge group $SU(3{)}_c\otimes SU(3{)}_L\otimes U(1{)}_X$ with exotic charged leptons, is carried out. Instead of using the minimal scalar sector able to break the symmetry in a proper way, we introduce an alternative set of four Higgs scalar triplets, which combined with an anomaly-free discrete symmetry, produce quark and charged lepton mass spectrum without hierarchies in the Yukawa coupling constants. We also embed the structure into a simple group and show some conditions to achieve a low gauge coupling unification, avoiding possible conflict with proton decay bounds. By using experimental results from the CERN-LEP, SLAC linear collider, and atomic parity violation data, we update constraints on several parameters of the model.

18 pages, 6 figures. Accepted for publication in Physical Review D

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• R-parity as a residual gauge symmetry : probing a theory of cosmological dark matter
• FCNC in the 3-3-1 model with right-handed neutrinos
• Lepton number violation in 331 models
• A Call for New Physics : The Muon Anomalous Magnetic Moment and Lepton Flavor Violation
• Effects of quark family nonuniversality in SU(3)_c X SU(4)_L X U(1)_x models
• FCNC, CP violation and implications for some rare decays in an SU(4)_L X U(1)_X extension of the standard model
• Constraining heavy neutral gauge boson $Z^{\prime }$ in the 3 - 3 - 1 models by weak charge data of Cesium and proton
• Scalar Potential Without Cubic Term in 3-3-1 Models Without Exotic Electric Charges
• $SU(3{)}_c\otimes SU(3{)}_L\otimes U(1{)}_X$ models with four families
• Stability of the Scalar Potential and Symmetry Breaking in the Economical 3-3-1 Model
• Systematic study of the $SU(3{)}_c\otimes SU(3{)}_L\otimes U(1{)}_X$ local gauge symmetry