Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5040
Title: Measurement of the tt¯ production cross section in pp collisions at ?s=7 TeV using the kinematic properties of events with leptons and jets
Authors: CMS Collaboration
Demir, Durmuş Ali
Keywords: Proton proton collisions
Cross section
Decays of bottom mesons
Leptons
Hadronic jets
Issue Date: Jul-2011
Publisher: Springer Verlag
Source: Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., ...CMS Collaboration (2011). Measurement of the tt̄ production cross section in pp collisions at √s=7 TeV using the kinematic properties of events with leptons and jets. European Physical Journal C, 71(9), 1-27. doi:10.1140/epjc/s10052-011-1721-3
Abstract: A measurement of the tt̄ production cross section in proton-proton collisions at a centre-of-mass energy of 7 TeV has been performed at the LHC with the CMS detector. The analysis uses a data sample corresponding to an integrated luminosity of 36 pb-1and is based on the reconstruction of the final state with one isolated, high transverse-momentum electron or muon and three or more hadronic jets. The kinematic properties of the events are used to separate the tt̄ signal from W+jets and QCD multijet background events. The measured cross section is 173+39 -32(stat. + syst.) pb, consistent with standard model expectations. © 2011 CERN for the benefit of the CMS collaboration.
URI: http://doi.org/10.1140/epjc/s10052-011-1721-3
http://hdl.handle.net/11147/5040
ISSN: 1434-6044
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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