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Advances in Precision Calculations of Higgs Boson and Single Top Quark Production at the Large Hadron Collider

Juvin-Quarroz, Jérémie ORCID iD icon 1
1 Institut für Theoretische Teilchenphysik (TTP), Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

Since the discovery of the Higgs boson in 2012, particle physics has entered an era of precision. With the upcoming increase in luminosity of the Large Hadron Collider (LHC), we will gain access to deep and detailed insights into the behaviour of fundamental particles. On the theoretical side, the description of partonic cross sections with next-to-next-to-leading order (NNLO) accuracy in Quantum Chromodynamics (QCD) is becoming a standard.

Despite the astonishing agreement between the experiments and theoretical predictions, it is clear that the Standard Model (SM) of particle physics is incomplete. One way to search for New Physics is to push the accuracy of the theoretical predictions and experimental measurements further. In this thesis, we study three problems related to precision description of Higgs boson and top quark production at the LHC.

In the first part, we investigate the interference contribution between two Higgs production mechanisms in the pp → H + jetc process. This process can be used to study the Yukawa coupling of the charm quark. The interference studied in this thesis requires a helicity flip on the charm-quark line, forcing us to treat the charm quarks as massive. ... mehr


Volltext §
DOI: 10.5445/IR/1000160800
Veröffentlicht am 24.07.2023
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Theoretische Physik (ITP)
Institut für Theoretische Teilchenphysik (TTP)
Publikationstyp Hochschulschrift
Publikationsdatum 24.07.2023
Sprache Englisch
Identifikator KITopen-ID: 1000160800
Verlag Karlsruher Institut für Technologie (KIT)
Umfang xviii, 225 S.
Art der Arbeit Dissertation
Fakultät Fakultät für Physik (PHYSIK)
Institut Institut für Theoretische Teilchenphysik (TTP)
Prüfungsdatum 14.07.2023
Projektinformation TRR 257/2 P3H (DFG, DFG KOORD, TRR 257/2 2023)
Schlagwörter Top Quark, Higgs Boson, non-factorisable correction, precision calculations, LHC, charm Yukawa coupling, HL-LHC, FCC, expansion by regions
Referent/Betreuer Melnikov, Kirill
Heinrich, Gudrun
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