Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4971
Title: Measurements of inclusive W and Z cross sections in pp collisions at ?s = 7 TeV The CMS collaboration
Authors: CMS Collaboration
Demir, Durmuş Ali
Keywords: Hadron-Hadron scattering
Compact Muon Solenoid
CMS detectors
Large Hadron Collider (LHC)
Boson
Issue Date: 2011
Publisher: Springer Verlag
Source: Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., ...CMS Collaboration (2011). Measurements of inclusive W and Z cross sections in pp collisions at √s = 7 TeV The CMS collaboration. Journal of High Energy Physics, 2011(1). doi:10.1007/JHEP01(2011)080
Abstract: Measurements of inclusive W and Z boson production cross sections in pp collisions at √s = 7 TeV are presented, based on 2.9 pb-1 of data recorded by the CMS detector at the LHC. The measurements, performed in the electron and muon decay channels, are combined to give σ(pp → WX) × B(W → l?) = 9.95 ± 0.07 (stat.) ± 0.28 (syst.) ± 1.09 (lumi.) nb and σ(pp → ZX) × B(Z → l +l-) = 0.931 ± 0.026 (stat.) ± 0.023 (syst.) ± 0.102 (lumi.) nb, where l stands for either e or μ. Theoretical predictions, calculated at the next-to-next-to-leading order in QCD using recent parton distribution functions, are in agreement with the measured cross sections. Ratios of cross sections, which incur an experimental systematic uncertainty of less than 4%, are also reported.
URI: http://doi.org/10.1007/JHEP01(2011)080
http://hdl.handle.net/11147/4971
ISSN: 1029-8479
Appears in Collections:Physics / Fizik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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