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Etude de la production de boson de Higgs en association avec une paire de quarks top-antitop dans l'expérience ATLAS

Abstract : I took part in the Higgs boson search in the ATLAS experiment with the study of the final state of a top anti-top quark pair accompanied by a Higgs boson, called ttH. I have been focused on the boosted channel, in which top quarks and Higgs bosons are emitted at high energy.The measurement of the cross-section of the physical process pp -> ttH enables to test the validity of the Standard Model of particle physics, which predicts the mechanism of interaction between quark top and Higgs boson.
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Submitted on : Tuesday, February 13, 2018 - 2:34:06 PM
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Eloi Le Quilleuc. Etude de la production de boson de Higgs en association avec une paire de quarks top-antitop dans l'expérience ATLAS. Physique des Hautes Energies - Expérience [hep-ex]. Université Paris-Saclay, 2017. Français. ⟨NNT : 2017SACLS205⟩. ⟨tel-01708251⟩

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