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Measurement of the cross-section and charge asymmetry of W bosons produced in proton-proton collisions at √s=8 TeV with the ATLAS detector

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This paper presents measurements of the W+→μ+νW+→μ+νW^+ \rightarrow \mu ^+\nu and W−→μ−νW−→μ−νW^- \rightarrow \mu ^-\nu cross-sections and the associated charge asymmetry as a function of the absolute pseudorapidity of the decay muon. The data were collected in proton-proton collisions at a centre-o...

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Hauptverfasser: Aad, Georges (VerfasserIn) , Anders, Christoph (VerfasserIn) , Andrei, George Victor (VerfasserIn) , Bolz, Arthur (VerfasserIn) , Brandt, Oleg (VerfasserIn) , Dunford, Monica (VerfasserIn) , Ferreira de Lima, Danilo Enoque (VerfasserIn) , Franchino, Silvia (VerfasserIn) , Hanke, Paul (VerfasserIn) , Helary, Louis (VerfasserIn) , Krishnan, Anjali (VerfasserIn) , Kugel, Andreas (VerfasserIn) , Napolitano, Fabrizio (VerfasserIn) , S̜ahinsoy, Merve (VerfasserIn) , Schöning, André (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Spieker, Thomas (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Starovoitov, Pavel (VerfasserIn) , Weber, Sebastian (VerfasserIn) , Wessels, Martin (VerfasserIn) , Yue, Xiaoguang (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 12 September 2019
In: The European physical journal. C, Particles and fields
Year: 2019, Jahrgang: 79, Heft: 9, Pages: 760
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7199-0
Online-Zugang:Verlag, Volltext: https://doi.org/10.1140/epjc/s10052-019-7199-0
Volltext
Verfasserangaben:ATLAS Collaboration
Beschreibung
Zusammenfassung:This paper presents measurements of the W+→μ+νW+→μ+νW^+ \rightarrow \mu ^+\nu and W−→μ−νW−→μ−νW^- \rightarrow \mu ^-\nu cross-sections and the associated charge asymmetry as a function of the absolute pseudorapidity of the decay muon. The data were collected in proton-proton collisions at a centre-of-mass energy of 8 TeVTeV\text {TeV} with the ATLAS experiment at the LHC and correspond to a total integrated luminosity of 20.2 fb −120.2 fb −120.2~\text{ fb }^{-1}. The precision of the cross-section measurements varies between 0.8 and 1.5% as a function of the pseudorapidity, excluding the 1.9% uncertainty on the integrated luminosity. The charge asymmetry is measured with an uncertainty between 0.002 and 0.003. The results are compared with predictions based on next-to-next-to-leading-order calculations with various parton distribution functions and have the sensitivity to discriminate between them.
Beschreibung:ATLAS Collaboration: G. Aad, C.F. Anders, V. Andrei, A.E. Bolz, O. Brandt, M. Dunford, D.E. Ferreira de Lima, S. Franchino, P. Hanke, L. Helary, A. Krishnan, A. Kugel, F. Napolitano, M. Sahinsoy, A. Schoening, H-C. Schultz-Coulon, T.M. Spieker, R. Stamen, P. Starovoitov, S.M. Weber, M. Wessels, X. Yue [und weitere]
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Beschreibung:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7199-0

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