Dynamical Gauge Symmetry Breaking in $SU(3)_L\otimes U(1)_X$ Extension of the Standard Model

Details Dynamical Gauge Symmetry Breaking in $SU(3)_L\otimes U(1)_X$ Extension of the Standard Model Dynamical Gauge Symmetry Breaking in $SU(3)_L\otimes U(1)_X$ Extension of the Standard Model

1999-03-22

arxiv.org/abs/hep-ph/9903432v3

Phys.Rev. D62 (2000) 075001

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, revtex, no figures; revised version predicting realistic mass spectrum

Scientific paper

10.1103/PhysRevD.62.075001

We study the $SU(3)_L\otimes U(1)_X$ extension of the Standard model with a strong U(1) coupling. We argue that current experiments limit this coupling to be relatively large. The model is dynamically broken to the Standard $SU(2)_L \otimes U(1)$ model at the scale of a few TeV with all the extra gauge bosons and the exotic quarks acquiring masses much larger than the scale of electroweak symmetry breaking. Furthermore we find that the model leads to large dynamical mass of the top quark and hence also breaks the electroweak gauge symmetry. It therefore leads to large dynamical effects within the Standard model and can partially replace the Higgs interactions.

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