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Measurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in pp collisions at √s = 13 TeV using the ATLAS detector

Aad G.
•
Abbott B.
•
Abbott D. C.
altro
Zwalinski L.
2021
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
Differential cross-sections are measured for top-quark pair production in the all-hadronic decay mode, using proton-proton collision events collected by the ATLAS experiment in which all six decay jets are separately resolved. Absolute and normalised single- and double-differential cross-sections are measured at particle and parton level as a function of various kinematic variables. Emphasis is placed on well-measured observables in fully reconstructed final states, as well as on the study of correlations between the top-quark pair system and additional jet radiation identified in the event. The study is performed using data from proton-proton collisions at s = 13 TeV collected by the ATLAS detector at CERN’s Large Hadron Collider in 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb−1. The rapidities of the individual top quarks and of the top-quark pair are well modelled by several independent event generators. Significant mismodelling is observed in the transverse momenta of the leading three jet emissions, while the leading top-quark transverse momentum and top-quark pair transverse momentum are both found to be incompatible with several theoretical predictions. [Figure not available: see fulltext.]
DOI
10.1007/JHEP01(2021)033
WOS
WOS:000607134800001
Archivio
http://hdl.handle.net/11390/1197344
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85104381068
Diritti
open access
Soggetti
  • Hadron-Hadron scatter...

  • Top physics

Scopus© citazioni
6
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
5
Data di acquisizione
Mar 27, 2024
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