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The solution of the phenomenological problems of technicolor (TC) models mayreside in the different dynamical behavior of the technifermions self-energyappearing in walking (or quasi-conformal) theories. Motivated by recent resultswhere it is shown how the boundary conditions (bc) of the anharmonic oscillatorrepresentation of the Schwinger-Dyson gap equation (SDE) to $SU(N)$ aredirectly related with the mass anomalous dimensions, and different bc cause achange in the ultraviolet asymptotic behavior of the self-energies, in thiswork we verify that it is possible to have a hard technifermion self-energy inTC models originated through radiative corrections coming from the interactionsmediated by the new massive neutral and charged gauge bosons, $Z'$ and$U^{\pm\pm}$ in the context of a 331-TC model.

Extreme walking behavior and SDE boundary conditions in a 331-TC model