Models of extended Pati-Salam gauge symmetry
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields1991Vol. 44(3), pp. 859–864
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Abstract
The possibility of constructing nonminimal models of the Pati-Salam type is investigated. The most interesting examples are found to have an $\mathrm{SU}(6)\ensuremath{\bigotimes}\mathrm{SU}{(2)}_{L}\ensuremath{\bigotimes}\mathrm{SU}{(2)}_{R}$ gauge invariance. Two interesting symmetry-breaking patterns are analyzed: one leading to the theory of SU(5) color at an intermediate scale, the other to the quark-lepton symmetric model. In both cases there is ample room for new physics in the interesting energy range of 100 GeV to a few TeV. We also identify a new candidate for dark matter.
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