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High Energy Physics - Phenomenology

arXiv:1503.04542 (hep-ph)
[Submitted on 16 Mar 2015]

Title:Collider Signatures of Gauge-Higgs Unification at LHC

Authors:Nobuhito Maru
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Abstract:We have studied the Kaluza-Klein (KK) mode contributions to the diphoton decay of Higgs boson through the gluon fusion at LHC in a five dimensional $SU(3) times U(1)'$ gauge-Higgs unification (GHU) model. The minimal matter content case is found that the diphoton decay is necessarily destructive comparing to the Standard Model (SM) prediction, which is unfortunately not supported by the current experimental data. Two extensions are considered to not only enhance the diphoton decay but also realize an observed Higgs mass. The $Z gamma$ decay of Higgs boson is also studied and the striking result is found that there is no KK mode contributions to the decay at 1-loop level. This fact might be very useful to discriminate the GHU from other physics beyond the SM.
Comments: 4 pages, 3 figures, prepared for the proceedings of Toyama International Workshop on Higgs as a Probe of New Physics 2015, 11-15, February, 2015
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1503.04542 [hep-ph]
  (or arXiv:1503.04542v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1503.04542

Submission history

From: Nobuhito Maru [view email]
[v1] Mon, 16 Mar 2015 07:10:20 UTC (185 KB)
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