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W and Z Boson Pair Production at Electron-Positron Colliders in Gauge-Higgs Unification
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W and Z Boson Pair Production at Electron-Positron Colliders in Gauge-Higgs Unification
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We examine $W$ and $Z$ boson pair production processes at electron-positron collider experiments in the $SU(3)_C\times SO(5)_W\times U(1)_X$ gauge-Higgs unification (GHU) model. We find that the deviation of the total cross section for the $e^-e^+\to W^-W^+$ process from the Standard Model (SM) in the GHU model with parameter sets, which are consistent with the current experiments, is about 0.5% to 1.5% and 0.6% to 2.2% for $\sqrt{s}=250$GeV and 500GeV, respectively, depending on the initial electron and positron polarization. We find that for the $e^-e^+\to ZZ$ process the deviation from the SM in the GHU model is at most 1%. We find that unitality bound for the $e^-e^+\to W^-W^+$ process is satisfied in the GHU model as in the SM, as a consequence of the relationship among coupling constants.
Forward citations
Cited by 4 Pith papers
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