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We study a hybrid model in which the Technicolor and fundamental heavyscalars live together. We concern extreme case, where electroweak symmetrybreaking (EWSB) comes almost entirely from the strong dynamics of Technicolor,but the masses of the light fermions, e.g. leptons arises due to the weaklyinteracting scalars with one universal Yukawa interaction. We have found thatSU(2) scalar two doublets, which are private but universal for each generation,offer a natural explanation of the vertical mass hierarchy. There is no largeYukawa coupling in the theory and the scalar masses are expected to be quiteuniversal and large. The lepton mass hierarchy arises radiatively from thequark mass hierarchy, which is affected by the scalar sector as well. Leptonand down quark masses are calculated in a simplified case of neglected mixing.

Vertical mass hierarchy in the case study of a hybrid model