Higgs Boson Decay Constraints on a Model with a Universal Extra Dimension

Anindya Datta; Ayon Patra; Sreerup Raychaudhuri

Higgs Boson Decay Constraints on a Model with a Universal Extra Dimension

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arxiv 1311.0926 v2 pith:HM6HJ65E submitted 2013-11-04 hep-ph hep-ex

Anindya Datta , Ayon Patra , Sreerup Raychaudhuri This is my paper · ORCID

classification hep-phhep-ex

keywords modelbosonboundbranchingconstraintsdimensionextrahiggs

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abstract

We investigate the impact of the latest data on Higgs boson branching ratios on the minimal model with a Universal Extra Dimension (mUED). Combining constraints from vacuum stability requirements with these branching ratio measurements we are able to make realistic predictions for the signal strengths in this model. We use these to find a lower bound of 1.3 TeV on the size parameter $R^{-1}$ of the model at 95% confidence level, which is far more stringent than any other reliable bound obtained till now.

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Revisiting Universal Extra-Dimension Model with Gravity Mediated Decays
hep-ph 2024-12 conditional novelty 5.0 of 10

Existing LHC data exclude fat-brane mUED compactification scales below about 3 TeV, and ML-tagged searches at 500 fb^-1 could extend the reach to roughly 3.2 to 3.4 TeV.

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