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Precision Calculations for Higgs Boson Physics at the LHC - Four-Loop Corrections to Gluon-Fusion Processes and Higgs Boson Pair-Production at NNLO

Herren, Florian

Abstract (englisch):
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.

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Volltext §
DOI: 10.5445/IR/1000125521
Veröffentlicht am 02.11.2020
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Theoretische Teilchenphysik (TTP)
Publikationstyp Hochschulschrift
Publikationsdatum 02.11.2020
Sprache Englisch
Identifikator KITopen-ID: 1000125521
Verlag Karlsruhe
Umfang IX, 169 S.
Art der Arbeit Dissertation
Fakultät Fakultät für Physik (PHYSIK)
Institut Institut für Theoretische Teilchenphysik (TTP)
Prüfungsdatum 23.10.2020
Referent/Betreuer Prof. M. Steinhauser
Schlagwörter Higgs Boson, Multi-Loop, QCD, Higgs Boson Pairproduction
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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