ar X iv : h ep - p h / 96 08 32 0 v 1 1 4 A ug 1 99 6 Custodial Symmetry and the Triviality Bound on the Higgs Mass

Abstract

The triviality of the scalar sector of the standard one-doublet Higgs model implies that it is only an effective low-energy theory valid below some cut-off scale Λ. In this note we show that the experimental constraint on the amount of custodial symmetry violation, |∆ρ∗| = α|T | ≤ 0.4%, implies that the scale Λ must be greater than of order 7.5 TeV. For… (More)

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