Hadroproduction of four top quarks in the powheg box

Ježo, Tomáš; Kraus, Manfred

doi:10.1103/PhysRevD.105.114024

Title: Hadroproduction of four top quarks in the powheg box

Journal Article · Thu Jun 16 00:00:00 EDT 2022 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.105.114024· OSTI ID:1872665

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We present a new Monte Carlo event generator for the hadronic production of four top quarks in the powheg box framework. Besides the dominant next-to-leading order QCD corrections at $O (α_{s}^{5})$ we also include all subleading electroweak productions channels at leading-order accuracy. We validate our theoretical predictions by comparing to parton-shower matched predictions obtained within the mc@nlo framework for stable top quarks. Furthermore, we investigate in detail the various sources of theoretical uncertainties. Finally, we investigate a single lepton plus jets signature to study for the first time the impact of the electroweak production modes as well as spin-correlation effects at the fiducial level.

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Research Organization:: Florida State Univ., Tallahassee, FL (United States)

Sponsoring Organization:: USDOE Office of Science (SC); German Research Foundation (DFG)

Grant/Contract Number:: SC0010102; 396021762—TRR 257; 273811115—SFB 1225

OSTI ID:: 1872665

Alternate ID(s):: OSTI ID: 1980100

Journal Information:: Physical Review D, Journal Name: Physical Review D Vol. 105 Journal Issue: 11; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Hadroproduction of four top quarks in the powheg box

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