Çetin, Serkant Ali2020-06-152020-06-152019-091434-60521434-6044https://hdl.handle.net/11411/2223https://doi.org/10.1140/epjc/s10052-019-7199-0This paper presents measurements of the W+->mu+nu and W-->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 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.eninfo:eu-repo/semantics/openAccessArticle2-s2.0-8507303202610.1140/epjc/s10052-019-7199-0Q1WOS:000485982300003