Measurement of the $\mathbf{W}$ Boson Production Charge Asymmetry in $\mathbf{p}\bar{\mathbf{p}}\to \mathbf{W}+\mathbf{X}\to \mathbf{e\nu }+\mathbf{X}$ Events at $\sqrt{\mathbf{s}}=1.96$ TeV

Abstract

We present a measurement of the $W$ boson production charge asymmetry in $p\bar{p}\to W+X\to e\nu +X$ events at a center of mass energy of 1.96 TeV, using 9.7 fb${}^{-1}$ of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider. The neutrino longitudinal momentum is determined using a neutrino weighting method, and the asymmetry is measured as a function of the $W$ boson rapidity. The measurement extends over wider electron pseudorapidity region than previous results, and is the most precise to date, allowing for precise determination of proton parton distribution functions in global fits.

7 pages, 1 figure, 2 tables

References in corpus (8)

• Parton distributions for the LHC
• Measurement of the shape of the boson rapidity distribution for p\bar{p}-> Z/gamma*-> e+e- +X events produced at sqrt(s) of 1.96 TeV
• Direct Measurement of the $W$ Production Charge Asymmetry in $\ppbar$ Collisions at $\sqrt{s}=1.96$ TeV
• Measurement of the electron charge asymmetry in inclusive W production in pp collisions at sqrt(s) = 7 TeV
• Measurement of the electron charge asymmetry in ppbar->W+X->enu+X events at sqrt{s}=1.96 TeV
• Measurement of the muon charge asymmetry in ppbar to W + X to mu nu + X events at sqrt{s} = 1.96 TeV
• Measurement of the $\mathbf{W}$ Boson Production Charge Asymmetry in $\mathbf{p}\bar{\mathbf{p}}\to \mathbf{W}+\mathbf{X}\to \mathbf{e\nu }+\mathbf{X}$ Events at $\sqrt{\mathbf{s}}=1.96$ TeV
• A new analysis technique to measure the W Production Charge Asymmetry at the Tevatron

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