Precision Calculations for Higgs Boson Physics at the LHC - Four-Loop Corrections to Gluon-Fusion Processes and Higgs Boson Pair-Production at NNLO
Florian Herren
Abstract
The search for the pair-production of the Higgs boson and the precise study of its properties are among the corner stones of the physics programme of the Large Hadron Collider and its High-Luminosity upgrade. This thesis focuses on the evaluation of higher-order corrections to Higgs boson pair production: the effective two-Higgs boson–gluon coupling at four loops and next-to-next- to-leading order corrections to the total inclusive cross-section including finite top-quark mass effects. In addition, finite top-quark mass effects in the Higgs boson–gluon vertex are studied at the four-loop order and four-loop corrections to the Higgs boson decay into photons are obtained.
Topics & Concepts
Higgs bosonParticle physicsPhysicsLarge Hadron ColliderGluonPair productionTop quarkBosonStandard Model (mathematical formulation)Nuclear physicsVector bosonPhysics beyond the Standard ModelQuarkHistoryArchaeologyGauge (firearms)Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchSuperconducting Materials and Applications