Exotic quarks belonging to 6, 8, 10, or higher representations of SU(3)c (quantum chromodynamics) naturally interact more strongly than conventional 3-plet quarks. Therefore, chiral-symmetry breaking in exotic quark sectors may occur at much larger mass scales than ordinary chiral-symmetry breaking. If those mass scales are about 10³ times larger, then when appended to the Weinberg-Salam model exotic quark-antiquark bound-state condensates could dynamically break the flavor SU(2) ×{} U(1) gauge symmetry and produce viable W^± and Z⁰ masses which satisfy MW=MZcosθW. Features of this scenario are described.
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William J. Marciano (1980) studied this question.