Measurement of the W Boson Production Charge Asymmetry in pp¯W+Xeν+X Events at s=1.96TeV

V. M. Abazov et al. (D0 Collaboration)
Phys. Rev. Lett. 112, 151803 – Published 18 April 2014; Erratum Phys. Rev. Lett. 114, 049901 (2015)
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Abstract

We present a measurement of the W boson production charge asymmetry in pp¯W+Xeν+X events at a center of mass energy of 1.96 TeV, using 9.7fb1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider. The neutrino longitudinal momentum is determined by 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.

  • Figure
  • Received 10 December 2013

DOI:https://doi.org/10.1103/PhysRevLett.112.151803

© 2014 American Physical Society

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Vol. 112, Iss. 15 — 18 April 2014

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