Study of the fiducial cross sections of the Higgs boson decaying into four leptons and study of muon isolation in the ATLAS experiment at the LHC 09/22/2017 Types d’événements Soutenances de thèse SpeakerArthur LESAGE Location Bat 713, salle de séminaires Galilée (Piano) Period 09/22/2017 Hoursfrom 1:30 PM at 3:00 PM DPhP – ATLAS Martine OGER