@Article{LHCbCollaborationAaij_etal2014,
author="LHCb Collaboration (Aaij, R. et al
and Martinez-Vidal, F.
and Oyanguren, A.
and Ruiz Valls, P.
and Sanchez Mayordomo, C.",
title="Measurement of the forward W boson cross-section in pp collisions at root s = 7 TeV",
journal="Journal of High Energy Physics",
year="2014",
publisher="Springer",
volume="12",
number="12",
pages="079--25pp",
optkeywords="Hadron-Hadron Scattering; QCD; Forward physics",
abstract="A measurement of the inclusive W -> $\mu$nu production cross-section using data from pp collisions at a centre-of-mass energy of root s=7 TeV is presented. The analysis is based on an integrated luminosity of about 1.0 fb(-1) recorded with the LHCb detector. Results are reported for muons with a transverse momentum greater than 20 GeV/c and pseudorapidity between 2.0 and 4.5. The W+ and W- production cross-sections are measured to be sigma(W+->mu+nu)=861.0 +/- 2.0 +/- 11.2 +/- 14.7pb, sigma(W-->mu-(nu)over bar)=675.8 +/- 1.9 +/- 8.8 +/- 11.6pb, where the first uncertainty is statistical, the second is systematic and the third is due to the luminosity determination. Cross-section ratios and differential distributions as functions of the muon pseudorapidity are also presented. The ratio of W+ to W- cross-sections in the same fiducial kinematic region is determined to be sigma(W+->mu+nu)/sigma(W-->mu-(nu)over bar) = 1.274 +/- 0.005 +/- 0.009, where the uncertainties are statistical and systematic, respectively. Results are in good agreement with theoretical predictions at next-to-next-to-leading order in perturbative quantum chromodynamics.",
optnote="WOS:000346250100002",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=2246), last updated on Thu, 18 Jun 2015 12:39:07 +0000",
issn="1029-8479",
doi="10.1007/JHEP12(2014)079",
opturl="http://arxiv.org/abs/1408.4354",
opturl="https://doi.org/10.1007/JHEP12(2014)079",
archivePrefix="arXiv",
eprint="1408.4354",
language="English"
}