An extension of the standard model with a single coupling parameter
Mario Atance, Jose Luis Cortes, Igor G. Irastorza
Abstract
We show that it is possible to find an extension of the matter content of the standard model with a unification of gauge and Yukawa couplings reproducing their known values. The perturbative renormalizability of the model with a single coupling and the requirement to accomodate the known properties of the standard model fix the masses and couplings of the additional particles. The implications on the parameters of the standard model are discussed.
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