[{"type":"thesis","title":"Precision Calculations for Higgs Boson Physics at the LHC - Four-Loop Corrections to Gluon-Fusion Processes and Higgs Boson Pair-Production at NNLO","issued":{"date-parts":[["2020","11","2"]]},"DOI":"10.5445\/IR\/1000125521","genre":"Dissertation","author":[{"family":"Herren","given":"Florian"}],"publisher":"Karlsruher Institut f\u00fcr Technologie (KIT)","abstract":"The search for the pair-production of the Higgs boson and the precise study of its\r\nproperties are among the corner stones of the physics programme of the Large Hadron\r\nCollider and its High-Luminosity upgrade.\r\nThis thesis focuses on the evaluation of higher-order corrections to Higgs boson pair\r\nproduction: the effective two-Higgs boson\u2013gluon coupling at four loops and next-to-next-\r\nto-leading order corrections to the total inclusive cross-section including finite top-quark\r\nmass effects.\r\nIn addition, finite top-quark mass effects in the Higgs boson\u2013gluon vertex are studied\r\nat the four-loop order and four-loop corrections to the Higgs boson decay into photons\r\nare obtained.","keyword":"Higgs Boson, Multi-Loop, QCD, Higgs Boson Pairproduction","number-of-pages":169,"kit-publication-id":"1000125521"}]