Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/130152
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Type: Journal article
Title: Measurement of hadronic event shapes in high-pT multijet final states at √s = 13 TeV with the ATLAS detector
Other Titles: Measurement of hadronic event shapes in high-pT multijet final states at root s = 13 TeV with the ATLAS detector
Author: Aad, G.
Abbott, B.
Abbott, D.C.
Abed Abud, A.
Abeling, K.
Abhayasinghe, D.K.
Abidi, S.H.
AbouZeid, O.S.
Abraham, N.L.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.S.
Achkar, B.
Adam, L.
Adam Bourdarios, C.
Adamczyk, L.
Adamek, L.
Adelman, J.
Adersberger, M.
et al.
Citation: The Journal of High Energy Physics, 2021; 2021(1):1-44
Publisher: Springer
Issue Date: 2021
ISSN: 1029-8479
1029-8479
Statement of
Responsibility: 
G. Aad ... Paul Jackson … Albert Kong … Tristan Ruggeri … Martin White … Harish Potti ... et al.
Abstract: A measurement of event-shape variables in proton-proton collisions at large momentum transfer is presented using data collected at s√ = 13 TeV with the ATLAS detector at the Large Hadron Collider. Six event-shape variables calculated using hadronic jets are studied in inclusive multijet events using data corresponding to an integrated luminosity of 139 fb−1. Measurements are performed in bins of jet multiplicity and in different ranges of the scalar sum of the transverse momenta of the two leading jets, reaching scales beyond 2 TeV. These measurements are compared with predictions from Monte Carlo event generators containing leading-order or next-to-leading order matrix elements matched to parton showers simulated to leading-logarithm accuracy. At low jet multiplicities, shape discrepancies between the measurements and the Monte Carlo predictions are observed. At high jet multiplicities, the shapes are better described but discrepancies in the normalisation are observed.
Keywords: Hadron-Hadron scattering (experiments)
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.
DOI: 10.1007/jhep01(2021)188
Published version: http://dx.doi.org/10.1007/JHEP01(2021)188
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