Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10604
Title: Measurement of jet multiplicity distributions in t(t)over-bar production in pp collisions at root s=7TeV
Authors: CMS Collaboration
Publisher: SPRINGER
Abstract: The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector. The measurement is performed in both the dilepton and lepton+jets decay channels using data corresponding to an integrated luminosity of 5.0 fb(-1). Using a procedure to associate jets to decay products of the top quarks, the differential cross section of the t (t) over bar production is determined as a function of the additional jet multiplicity in the lepton+jets channel. Furthermore, the fraction of events with no additional jets is measured in the dilepton channel, as a function of the threshold on the jet transverse momentum. The measurements are compared with predictions from perturbative quantum chromodynamics and no significant deviations are observed.
URI: https://doi.org/10.1140/epjc/s10052-014-3014-0
https://hdl.handle.net/11147/10604
ISSN: 1434-6044
1434-6052
Appears in Collections:Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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