[Triumf-seminars] TRIUMF Colloquium today at 14:00

Fri Apr 5 05:00:00 PDT 2019

Date/Time: Fri 2019-04-05 at 14:00

Location:  Auditorium          

Speaker:   Tamara Vazquez Schroder (CERN)

Title:     Multilepton: from Higgs to New Physics at the LHC

Abstract: One of the important tests of the SM is the measurement of the top quark Yukawa coupling, directly measured via the associated production process of a Higgs boson and a top-antitop quark pair pp -> t tbar H.  The fourfold increase of the ttbarH cross section from sqrt(s) = 8 to 13 TeV and the high statistics of top quark sample collected by the LHC experiments allow to increase the sensitivity of the search of this process. Both ATLAS and CMS have performed searches of ttbarH targeting most of the Higgs decays modes at sqrt(s)=13 TeV. In this talk, the search for the ttbarH process in the ttH multilepton final state with the ATLAS experiment is discussed, as well as the potential to probe new physics signals in this final state.

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