Abstract

Nonperturbative unification of technicolor (TC) with the standard-model forces can be achieved in the scheme of Maiani, Parisi, and Petronzio, where all interactions become strong at ${M}_{\mathrm{GUT}}$, if the TC perturbative \ensuremath{\beta} function has a nontrivial infrared fixed point. SU(4) with a single family of technifermions in the 6 emerges as the only plausible TC group. The low-energy couplings are computed. The scale of interactions responsible for ordinary fermion masses might be raised up to ${M}_{\mathrm{GUT}}$.

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