Electroweak Gauge-Higgs Unification Scenario
Yutaka Hosotani
TL;DR
This paper explores a higher-dimensional gauge-Higgs unification model within a warped space, predicting a light Higgs boson around 50 GeV with suppressed couplings, providing a novel approach to electroweak symmetry breaking.
Contribution
It introduces a gauge-Higgs unification scenario in Randall-Sundrum space with a dynamically broken electroweak symmetry via the Hosotani mechanism, predicting a light Higgs mass.
Findings
Higgs mass predicted around 50 GeV
Higgs couplings to Z and W bosons vanish
Model evades LEP2 Higgs bounds
Abstract
In the gauge-Higgs unification scenario 4D Higgs fields are unified with gauge fields in higher dimensions. The electroweak model is constructed in the Randall-Sundrum warped space. The electroweak symmetry is dynamically broken by the Hosotani mechanism due to the top quark contribution. The Higgs mass is predicted to be around 50 GeV with the vanishing ZZH and WWH couplings so that the LEP2 bound for the Higgs mass is evaded.
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