Three-family Fritzsch and Stech models with minimal and two-doublet Higgs structures.
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The invariant function approach is applied to the Fritzsch and Stech quark mass matrices to derive explicit analytic formulas for the measurable Kobayashi-Maskawa matrix elements and commutator determinant associated with CP violation. Imposition of the ARGUS B-B-bar mixing results greatly restricts the allowed top-quark mass range. The Fritzsch model with minimal Higgs structure is marginally viable with 95approx.
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