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LHC constraints on the Lee-Wick Higgs sector
Carone, Christopher D. Ramos, Raymundo Sher, Marc
Carone, Christopher D.
Ramos, Raymundo
Sher, Marc
Abstract
We determine constraints on the Lee-Wick Higgs sector obtained from the full LHC Higgs boson data set. We determine the current lower bound on the heavy neutral Lee-Wick scalar, as well as projected bounds at a 14 TeV LHC with 300 and 3000 inverse femtobarns of integrated luminosity. We point out that the first sign of new physics in this model may be the observation of a deviation from standard model expectations of the lighter neutral Higgs signal strengths corresponding to production via gluon-gluon fusion and decay to either tau or Z pairs. The signal strength of the latter is greater than the standard model expectation, unlike most extensions of the standard model. (C) 2014 The Authors. Published by Elsevier B.V.
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2014-01-01
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LHC.pdf
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Physics
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https://doi.org/10.1016/j.physletb.2014.03.025