Ujjal Kumar Dey, Tirtha Sankar Ray
Early indications from the LHC for the observed scalar boson imply properties close to the Standard Model Higgs, putting considerable constraints on TeV scale new physics scenarios. In this letter we consider flat extra dimensional scenarios with the fifth spatial dimension compactified on an S^1/Z_2 orbifold. We find in the minimal model the effective Higgs couplings to gluon and photon disfavor the New Physics scale below 1.4 TeV at 95% confidence level. We demonstrate that a generalization of these models to include brane localized kinetic terms can relieve the tension to accommodate scales as low as 0.5 TeV.
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http://arxiv.org/abs/1305.1016
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