A parity invariant $SU(3)_c \otimes SU(3)_L \otimes U(1)$ model

We examine a $SU(3)_c \otimes SU(3)_{L}\otimes U(1)$ gauge model which has a parity symmetric Lagrangian. The parity symmetry has the novel feature that it interchanges the gluons with the $SU(3)_L$ gauge bosons (which contain the ordinary $SU(2)_L$ weak gauge bosons). We show that the model reduces to the standard model at low energies and also predicts new physics in the form of exotic fermions.

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