Lailin Xu - Probing New Physics and the Nature of the Higgs Boson at ATLAS

Wednesday, March 6, 2019 from to (US/Central)
at Building 362 ( F108 )
The long-sought Higgs boson discovered at the LHC completes the Standard Model of the particle physics.  During the last six years, substantial achievements have been made to probe the nature of the Higgs boson.  Participle physics is however at an impasse: deep mysteries of the Electroweak symmetry breaking remain unanswered, and long-awaited new physics phenomena beyond the SM have not shown up yet.  In this talk, I start with a brief overview on the current profile of measurements of the Higgs boson properties and couplings.  I then present Higgs couplings measurements in the four-lepton channel, and how we use the Higgs boson as a portal in the quest for new physics. In the end, I discuss the prospect of the Higgs measurements at future colliders.
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