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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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Hauptverfasser: Aad, Georges (VerfasserIn) , Andrei, George Victor (VerfasserIn) , Antel, Claire (VerfasserIn) , Dunford, Monica (VerfasserIn) , Franchino, Silvia (VerfasserIn) , Geisler, Manuel Patrice (VerfasserIn) , Jongmanns, Jan (VerfasserIn) , Klassen, Martin (VerfasserIn) , Kugel, Andreas (VerfasserIn) , Meyer zu Theenhausen, Hanno (VerfasserIn) , Napolitano, Fabrizio (VerfasserIn) , Ott, Philipp (VerfasserIn) , S̜ahinsoy, Merve (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Spieker, Thomas (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Starovoitov, Pavel (VerfasserIn) , Suchek, Stanislav (VerfasserIn) , Weber, Sebastian (VerfasserIn) , Yue, Xiaoguang (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 24 December 2019
In: The European physical journal. C, Particles and fields
Year: 2019, Jahrgang: 79, Heft: 12, Pages: 1028
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7525-6
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-019-7525-6
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Verfasserangaben: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]
Beschreibung
Zusammenfassung: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.
Beschreibung:Gesehen am 08.05.2020
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Beschreibung:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7525-6

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