Electroweak symmetry breaking by extra dimensions
Abstract
Electroweak symmetry breaking may be naturally induced by the observed quark and gauge fields in extra dimensions without a fundamental Higgs field. We show that a composite Higgs doublet can arise as a bound state of (t, b)L and a linear combination of the Kaluza-Klein states of tR, due to QCD in extra dimensions. The top quark mass depends on the number of active tR Kaluza-Klein modes, and is consistent with the experimental value.
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