Measurement of the electron charge asymmetry in pp̄→W+X→ eν+X events at s=1.96TeV
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American Physical Society (APS)
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We present a measurement of the electron charge asymmetry in pp̄→W+X→eν+X events at a center of mass energy of 1.96 TeV using 0.75fb-1 of data collected with the D0 detector at the Fermilab Tevatron Collider. The asymmetry is measured as a function of the electron transverse momentum and pseudorapidity in the interval (-3.2, 3.2) and is compared with expectations from next-to-leading order calculations in perturbative quantum chromodynamics. These measurements will allow more accurate determinations of the proton parton distribution functions. © 2008 The American Physical Society.
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Physical Review Letters, v. 101, n. 21, 2008.
