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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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Main Authors: Aad, Georges (Author) , Anders, Christoph (Author) , Andrei, George Victor (Author) , Bolz, Arthur (Author) , Brandt, Oleg (Author) , Dunford, Monica (Author) , Ferreira de Lima, Danilo Enoque (Author) , Franchino, Silvia (Author) , Hanke, Paul (Author) , Helary, Louis (Author) , Krishnan, Anjali (Author) , Kugel, Andreas (Author) , Napolitano, Fabrizio (Author) , S̜ahinsoy, Merve (Author) , Schöning, André (Author) , Schultz-Coulon, Hans-Christian (Author) , Spieker, Thomas (Author) , Stamen, Rainer (Author) , Starovoitov, Pavel (Author) , Weber, Sebastian (Author) , Wessels, Martin (Author) , Yue, Xiaoguang (Author)
Corporate Author: ATLAS Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 12 September 2019
In: The European physical journal. C, Particles and fields
Year: 2019, Volume: 79, Issue: 9, Pages: 760
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7199-0
Online Access:Verlag, Volltext: https://doi.org/10.1140/epjc/s10052-019-7199-0
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Author Notes:ATLAS Collaboration
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Summary: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.
Item Description: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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Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-019-7199-0

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