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Conference Papers Year : 2019

Higgs boson production in association with a ttbar pair at the ATLAS experiment

Abstract

The observation of Higgs boson production in association with a top quark pair (ttH), based on the analysis of proton–proton collision data corresponding to integrated luminosities of up to 79.8 fb − 1 at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider, is presented. The observed significance is 5.8 standard deviations, compared to an expectation of 4.9 standard deviations using Run II data and 6.3σ (5.1σ exp.) by combining Run 2 and Run 1 data sets.
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Dates and versions

in2p3-02284720 , version 1 (12-09-2019)

Identifiers

  • HAL Id : in2p3-02284720 , version 1
  • CERN : 2672030

Cite

Ana Elena Dumitriu. Higgs boson production in association with a ttbar pair at the ATLAS experiment. The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Apr 2019, Turin, Italy. ⟨in2p3-02284720⟩
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