Abstract
We consider the possibility that the lack of a chiral gauge symmetry-preserving regulator is signaling a genuine quantum effect which breaks the chiral gauge symmetry and generates mass for the gauge bosons. A nonperturbative analysis of an SU(3) C×SU(2) L×U(1) Y model regularized on a lattice is presented. Although both SU(2) L and U(1) Y symmetries in this model are broken in the regularized action, SU(3) C×U(1) Q symmetry can be maintained throughout the calculations. Using a hopping parameter expansion, the effective action for the gauge bosons is derived. Mass terms for the gauge bosons are generated, and the mass ratio of the gauge bosons is discussed.
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