Search for Higgs boson production in association with top quarks in multilepton final states at $\sqrt{s}=13~\mathrm{TeV}$

CMS Physics Analysis Summaries
Report number	CMS-PAS-HIG-17-004
Title	Search for Higgs boson production in association with top quarks in multilepton final states at $\sqrt{s}=13~\mathrm{TeV}$
Corporate author(s)	CMS Collaboration
Collaboration	CMS Collaboration
Subject category	Particle Physics - Experiment
Accelerator/Facility, Experiment	CERN LHC ; CMS
Abstract	A search for the production for a standard model Higgs boson in association with a top quark pair ($\mathrm{t}\overline{\mathrm{t}}\mathrm{H}$) is presented. The analysis is based on pp collision data collected by the CMS experiment at a center of mass energy of $\sqrt{s}=13~\mathrm{TeV}$ in 2016, and corresponding to an integrated luminosity of $35.9~\mathrm{fb}^{-1}$. We target final states where the Higgs boson decays to $\mathrm{WW}^{}$, $\mathrm{ZZ}^{}$ or $\tau\tau$, and at least one of the top quarks decays leptonically, by selecting events with two leptons of the same charge, three leptons or at least four leptons, and b-jets. We obtain a best fit $\mathrm{t}\overline{\mathrm{t}}\mathrm{H}$ yield of $1.5~\pm~0.5$ times the standard model prediction, with an observed (expected) significance of $3.3\sigma$ ($2.5\sigma$), by the combination of these results with those obtained from the 2015 dataset.
Other source	Inspire
Related	superseded by: CERN-EP-2018-017
Email contact: [email protected] Fulltext in PDF Figure_003-a Figure_003-c Figure_003-b Figure_003-e Figure_003-d Figure_004-a Figure_002-d Figure_002-e Figure_004-b Figure_002-a Figure_002-b Figure_002-c Figure_005 Figure_001-b Figure_001-a Additional information for the analysis (restricted access)