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|Title:||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|
|Other Titles:||Measurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in pp collisions at root s = 13 TeV using the ATLAS detector|
Abed Abud, A.
Adam Bourdarios, C.
|Citation:||The Journal of High Energy Physics, 2021; 2021(1):1-76|
|G. Aad, B. Abbott, D. C. Abbott, A. Abed Abud, K. Abeling ... Paul Jackson ... et al (The ATLAS collaboration)|
|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.|
|Keywords:||Hadron-Hadron scattering (experiments); top physics|
|Rights:||This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.|
|Appears in Collections:||Aurora harvest 4|
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