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T: Fachverband Teilchenphysik

T 15: Beyond the Standard Model (Theorie) 2

T 15.4: Talk

Monday, March 4, 2013, 17:30–17:45, WIL-A124

Little Higgs models in light of the 126 GeV discovery at the LHC — •Marco Tonini and Jürgen Reuter — DESY, Hamburg, Germany

The discovery of a 126 GeV resonance at the LHC has opened a new era of particle physics. In light of this discovery, it has become of central importance a deeper understanding of the underlying mechanism of electroweak symmetry breaking associated to the observed resonance. An appealing alternative to the common Supersymmetric extension of the SM, is the idea that the Higgs is a pseudo-Goldstone boson: Little Higgs models provide plausible realizations of this scenario with the feature that they cancel all quadratically divergent contributions to the Higgs mass at one-loop. In this talk we are going to present the updated allowed contours in the parameter space of different Little Higgs models in light of the 7+8 TeV LHC data collected in 2011-2012.