arxiv ref: 1712.08891Title: Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detectorAuthors: ATLAS CollaborationNode: ALU-FRDFTTOFOMIFJ-PANUDURUGRESRs: ESR2ESR6ESR7ESR16ESR18ESR19bESR21Supervisor: BentvelsenButterworthCarminatiFusterJakobsRichter-WasSchumacherWork Packages: WP1: Interpretation of DataMilestones: M1.1.3 Extending the mass range and coupling range in different Higgs boson search channels