Please use this identifier to cite or link to this item: 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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