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Measurements of top-quark pair differential and double-differential cross-sections in the l+ jets channel with pp collisions at s=13 TeV using the ATLAS detector

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Single- and double-differential cross-section measurements are presented for the production of top-quark pairs, in the lepton + jets channel at particle and parton level. Two topologies, resolved and boosted, are considered and the results are presented as a function of several kinematic variables c...

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Main Authors: Aad, Georges (Author) , Andrei, George Victor (Author) , Antel, Claire (Author) , Dunford, Monica (Author) , Franchino, Silvia (Author) , Geisler, Manuel Patrice (Author) , Jongmanns, Jan (Author) , Klassen, Martin (Author) , Kugel, Andreas (Author) , Meyer zu Theenhausen, Hanno (Author) , Napolitano, Fabrizio (Author) , Ott, Philipp (Author) , S̜ahinsoy, Merve (Author) , Schultz-Coulon, Hans-Christian (Author) , Spieker, Thomas (Author) , Stamen, Rainer (Author) , Starovoitov, Pavel (Author) , Suchek, Stanislav (Author) , Weber, Sebastian (Author) , Yue, Xiaoguang (Author)
Corporate Author: ATLAS Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 24 December 2019
In: The European physical journal. C, Particles and fields
Year: 2019, Volume: 79, Issue: 12, Pages: 1028
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7525-6
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-019-7525-6
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Author Notes:ATLAS Collaboration: G. Aad, V. Andrei, C. Anttel, M. Dunford, S. Franchino, M. P. Geisler, J. Jongmanns, M. Klassen, H. Meyer Zu Theenhausen, F. Napolitano, P.S. Ott, M. Sahinsoy, H.-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, S. Suchek, S.M. Weber, X. Yue [und 2909 weitere Autoren]
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Summary:Single- and double-differential cross-section measurements are presented for the production of top-quark pairs, in the lepton + jets channel at particle and parton level. Two topologies, resolved and boosted, are considered and the results are presented as a function of several kinematic variables characterising the top and $$t\bar{t}$$tt¯ system and jet multiplicities. The study was performed using data from pp collisions at centre-of-mass energy of 13 TeV collected in 2015 and 2016 by the ATLAS detector at the CERN Large Hadron Collider (LHC), corresponding to an integrated luminosity of $$36~\mathrm {fb}^{-1}$$36fb-1. Due to the large $$t\bar{t}$$tt¯ cross-section at the LHC, such measurements allow a detailed study of the properties of top-quark production and decay, enabling precision tests of several Monte Carlo generators and fixed-order Standard Model predictions. Overall, there is good agreement between the theoretical predictions and the data.
Item Description:Gesehen am 08.05.2020
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Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7525-6

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