Coupling spans of the Higgs-like boson

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Abstract

Using the LHC and Tevatron data, we set upper and lower limits on the total width of the Higgs-like boson. The upper limit is based on the well-motivated assumption that the Higgs coupling to a W or Z pair is not much larger than in the Standard Model. These width limits allow us to convert the rate measurements into ranges for the Higgs couplings to various particles. A corollary of the upper limit on the total width is an upper limit on the branching fraction of exotic Higgs decays. Currently, this limit is 47% at the 95% CL if the electroweak symmetry is broken only by doublets. © 2013 SISSA.

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Dobrescu, B. A., & Lykken, J. D. (2013). Coupling spans of the Higgs-like boson. Journal of High Energy Physics, 2013(2). https://doi.org/10.1007/JHEP02(2013)073

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