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Measurement of the cross-section and charge asymmetry of W bosons produced in proton–proton collisions at $\sqrt{s}=8\phantom{\rule{3.33333pt}{0ex}}\text{TeV}$ with the ATLAS detector

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    <subfield code="a">&lt;p&gt;This paper presents measurements of the   ${W}^{+}\to {\mu }^{+}\nu $  and   ${W}^{-}\to {\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   $\text{TeV}$  with the ATLAS experiment at the LHC and correspond to a total integrated luminosity of   $20.2\phantom{\rule{3.33333pt}{0ex}}\phantom{\rule{0.333333em}{0ex}}\text{fb}{\phantom{\rule{0.333333em}{0ex}}}^{-1}$ . 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.&lt;/p&gt;</subfield>
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