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Title: Jet production rates in association with W and Z bosons in pp collisions at ?s = 7 TeV
Authors: CMS Collaboration
Demir, Durmuş Ali
Keywords: Boson
Compact Muon Solenoid
Large Hadron Collider (LHC)
Jet rates
Hadron-hadron scattering
Publisher: Springer Verlag
Source: Chatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M.,...CMS Collaboration (2012). Jet production rates in association with W and Z bosons in pp collisions at √s = 7 TeV. Journal of High Energy Physics, 2012(1). doi:10.1007/JHEP01(2012)010
Abstract: Measurements of jet production rates in association with W and Z bosons for jet transverse momenta above 30 GeV are reported, using a sample of proton-proton collision events recorded by CMS at √s = 7TeV, corresponding to an integrated luminosity of 36 pb -1. The study includes the measurement of the normalized inclusive rates of jets σ(V+ ≥ n jets)=σ(V), where V represents either a W or a Z. In addition, the ratio of W to Z cross sections and the W charge asymmetry as a function of the number of associated jets are measured. A test of scaling at √s = 7TeV is also presented. The measurements provide a stringent test of perturbative-QCD calculations and are sensitive to the possible presence of new physics. The results are in agreement with the predictions of a simulation that uses explicit matrix element calculations for final states with jets. © 2012 SISSA.
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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