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https://hdl.handle.net/10316/106922
Title: | Measurement of the cross-section and charge asymmetry of W bosons produced in proton–proton collisions at √s=8TeV with the ATLAS detector | Authors: | Fiolhais, M. C. N. Veloso, F. Wolters, H. Aguilar-Saavedra, J. A. Santos, S. P. Amor dos Araque, J. P. Castro, N. F. Muiño, P. Conde Vale, T. Dias do Galhardo, B. Gomes, A. Gonçalo, R. Jorge, P. M. Maio, A. Gouveia, E. D. Mendes Seabra, L. F. Oleiro Onofre, A. Pedro, R. Peixoto, A. P. Pereira Santos, H. Saraiva, J. G. Stolarsky, M. Delgado, A. Tavares ATLAS Collaboration |
Issue Date: | 2019 | Publisher: | Springer Nature | metadata.degois.publication.title: | European Physical Journal C | metadata.degois.publication.volume: | 79 | metadata.degois.publication.issue: | 9 | Abstract: | This paper presents measurements of the W+→ μ+ν and W-→ μ-ν 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 TeV with the ATLAS experiment at the LHC and correspond to a total integrated luminosity of 20.2fb-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. | URI: | https://hdl.handle.net/10316/106922 | DOI: | 10.1140/epjc/s10052-019-7199-0 | Rights: | openAccess |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais LIP - Artigos em Revistas Internacionais |
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Measurement-of-the-crosssection-and-charge-asymmetry-of-W-bosons-produced-in-protonproton-collisions-at-s8TeV-with-the-ATLAS-detectorEuropean-Physical-Journal-C.pdf | 2.07 MB | Adobe PDF | View/Open |
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