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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: | Karapınar, Güler Demir, Durmuş Ali |
Keywords: | Hadron-Hadron scattering Compact Muon Solenoid CMS detectors Large Hadron Collider (LHC) Boson |
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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