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125 GeV Higgs Boson From Gauge-Higgs Unification: A Snowmass white paper | Ilia Gogoladze
; Nobuchika Okada
; Qaisar Shafi
; | Date: |
18 Jul 2013 | Abstract: | In certain five dimensional gauge theories compactified on the orbifold
$S^1/Z_2$ the Standard Model Higgs doublet is identified with the zero mode of
the fifth component of the gauge field. This gauge-Higgs unification scenario
is realized at high energies, and the Standard Model as an effective theory
below the compactification scale satisfies the boundary condition that the
Higgs quartic coupling vanishes at the compactification scale (gauge-Higgs
condition). This is because at energies above the compactification scale, the
five dimensional gauge invariance is restored and the Higgs potential vanishes
as a consequence. We consider scenario where top quark Yukawa and weak gauge
coupling unification can be realized and identify the compactification scale as
one at which this two coupling couplings have the same value. Taking into
account the experimental uncertainties in measurements of the top quark mass
and the QCD coupling constant, the Higgs mass prediction of 119-126 GeV from
the gauge-Higgs unification scenario is consistent with the experimentally
measured value of 125-126 GeV. More precise measurements of the top quark mass
and the QCD coupling constant are crucial to reduce the interval of the Higgs
mass prediction and thereby test the feasibility of the gauge-Higgs unification
scenario. | Source: | arXiv, 1307.5079 | Services: | Forum | Review | PDF | Favorites |
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