High Quality Content by WIKIPEDIA articles! Technicolor theories are models of physics Beyond the Standard Model that address electroweak symmetry breaking, the mechanism through which elementary particles acquire masses. Early technicolor theories were modelled on quantum chromodynamics (QCD), the "color" theory, which inspired their name. Instead of introducing elementary Higgs bosons, technicolor models break electroweak symmetry and generate masses for the W and Z bosons through the dynamics of new gauge interactions. Although asymptotically free at very high energies, these interactions must become strong and confining (and hence unobservable) at lower energies that have been experimentally probed. This dynamical approach is natural and avoids the hierarchy problem of the Standard Model.

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