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A canonical quantization formalism for gauge fields is presented, based on massless nonlocal vector and second-rank tensor field Lagrangians. The Lagrangians describing quantum electrodynamics, electroweak theory, and gravitation within the context of the nonlocal formalism are shown to lead to finite, gauge-invariant, and unitary theories to all orders in perturbation theory. The generalized electroweak theory does not contain any gauge hierarchy problems, associated with the Higgs-meson perturbation theory, and it describes a nontrivial field theory.
J. W. Moffat (Thu,) studied this question.