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Measurement of W±-boson differential cross-sections in proton–proton collisions with low pile-up data at √s = 5.02 TeV and 13 TeV with the ATLAS detector

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High precision single-differential W ±-boson production cross-sections as a function of electron or muon transverse momentum pT or their pseudorapity η, as well as double-differential cross-sections as functions of these variables, are measured in proton–proton collisions at centre-of-mass energies...

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Hauptverfasser: Aad, Georges (VerfasserIn) , Ackermann, Anke (VerfasserIn) , Backes, Mathias (VerfasserIn) , Baltes, Lisa Marie (VerfasserIn) , Bartels, Falk (VerfasserIn) , Dittmeier, Sebastian (VerfasserIn) , Dunford, Monica (VerfasserIn) , Franchino, Silvia (VerfasserIn) , Junkermann, Thomas (VerfasserIn) , Mkrtchyan, Tigran (VerfasserIn) , Sanfilippo, Lorenzo (VerfasserIn) , Sauer, Christof (VerfasserIn) , Schöning, André (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Sothilingam, Varsiha (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Starovoitov, Pavel (VerfasserIn) , Vigani, Luigi (VerfasserIn) , Wessels, Martin (VerfasserIn) , Zinßer, Joachim (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 02 July 2025
In: The European physical journal. C, Particles and fields
Year: 2025, Jahrgang: 85, Heft: 7, Pages: 1-32
ISSN:1434-6052
DOI:10.1140/epjc/s10052-025-14178-x
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1140/epjc/s10052-025-14178-x
Verlag, kostenfrei, Volltext: https://link.springer.com/10.1140/epjc/s10052-025-14178-x
Volltext
Verfasserangaben:ATLAS Collaboration
Beschreibung
Zusammenfassung:High precision single-differential W ±-boson production cross-sections as a function of electron or muon transverse momentum pT or their pseudorapity η, as well as double-differential cross-sections as functions of these variables, are measured in proton–proton collisions at centre-of-mass energies √s = 5.02 TeV and 13 TeV. The W -boson charge asymmetry as a function of lepton η is also measured. The data, collected in dedicated runs at reduced instantaneous luminosity with the ATLAS detector at the Large Hadron Collider, correspond to integrated luminosities of 255 pb−1 at 5.02 TeV and 338 pb−1 at 13 TeV. The measurements are in agreement with Standard-Model predictions calculated at next-to-next-to-leading-order in the strong coupling constant αs including transverse-momentum resummation at next-to-next-to-leading logarithmic accuracy using several parton distribution functions. The impact of the measured differential cross-sections as a function of lepton η on the determination of these functions is studied using a profiling technique
Beschreibung:Im Titel steht das Plus-Minus-Zeichen hochgestellt
The ATLAS Collaboration: G. Aad, A. Ackermann, M.J. Backes, L.M. Baltes, F. Bartels, S.J. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, T. Mkrtchyan, L. Sanfilippo, A. Schoening, H.-C. Schultz-Coulon, V. Sothilingam, R. Stamen, P. Starovoitov, L. Vigani, M. Wessels, J. Zinsser [und 2911 weitere]
Gesehen am 18.12.2025
Beschreibung:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-025-14178-x

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