Abstract

A full quark-lepton correspondence is established without upsetting (a) the standard Weinberg-Salam model, (b) the cosmological limits on the number of neutrino flavors, and (c) the neutrino masslessness property to all orders of perturbation theory. All this is within a minimal multigeneration tight scheme which is anomaly-free, conserves lepton numbers, and gives rise to a proper Cabibbo structure. A natural fermionic mass hierarchy accompanies the suppression of the horizontal gauge interactions through an absolute minimum of a symmetric Higgs potential. The model predicts ${m}_{t}=14.7$ GeV, and suggests a smaller current-algebra mass for the charmed quark without contradicting the measured ${K}_{L}\ensuremath{-}{K}_{S}$ mass difference.

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