Abstract

We consider a model with nonlinear SSB, which can be considered as a limiting case of the electroweak SM when M_H→∞. It possesses a chain of hidden local gauge symmetries yielding a series of heavy gauge boson triplets, which can be interpreted as effects of the strong self-interactions of the scalar sector and are able to infect via mixing low energy quantities. The theory is non-renormalizable and, therefore, new Lagrangian terms are induced at each loop order. We investigate these quantum-induced interactions (which are of non-standard type) of fermions and vector bosons, and show that they can be expressed in additional Lagrangian terms which obey the symmetry of the original theory.