Title
Measurement of inclusive W and Z boson production cross sections in pp collisions at <tex>$\sqrt{s}$</tex> = 8 TeV Measurement of inclusive W and Z boson production cross sections in pp collisions at <tex>$\sqrt{s}$</tex> = 8 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
112(2014) :19 , 17 p.
ISSN
0031-9007
0031-9007
Article Reference
191802
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A measurement of total and fiducial inclusive W and Z boson production cross sections in pp collisions at root s = 8 TeV is presented. Electron and muon final states are analyzed in a data sample collected with the CMS detector corresponding to an integrated luminosity of 18.2 +/- 0.5 pb(-1). The measured total inclusive cross sections times branching fractions are sigma(pp -> WX) x B(W -> l upsilon) = 12.21 +/- 0.03(stat) +/- 0.24(syst) +/- 0.32(lum) nb and sigma(pp -> ZX) x B(Z -> l(+)l(-)) = 1.15 +/- 0.01(stat) +/- 0.02(syst) +/- 0.03(lum) nb for the dilepton mass in the range of 60-120 GeV. The measured values agree with next-to-next-to-leading-order QCD cross section calculations. Ratios of cross sections are reported with a precision of 2%. This is the first measurement of inclusive W and Z boson production in proton-proton collisions at root s = 8 TeV.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/cc6ed9/7673.pdf
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