The leptonic W boson asymmetry in association with jets at LHCb, and PDF constraints at large-x
Abstract
The unique forward LHCb acceptance opens the possibility for performing precision Standard Model (SM) processes in a kinematical regime beyond the reach of both ATLAS and CMS experiments. In this article we discuss the feasibility of performing Wj measurements with 14 TeV LHCb data, and find that the leptonic asymmetry at high pseudorapidity, with appropriate cuts on the associated jet, can provide a factor of three reduction on the d quark PDF uncertainty in a region of Bjorken x > 0.5.
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