Measurement of the t¯t production cross section in pp collisions at √s = 7 TeV using the kinematic properties of events with leptons and jets
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2011-09
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Journal Article
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Abstract
A measurement of the tt¯ 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−1 and 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 tt¯ 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.
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published
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71 (9)
Pages / Article No.
1721
Publisher
Springer
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03381 - Pauss, Felicitas (emeritus)
03593 - Dissertori, Günther / Dissertori, Günther
03904 - Wallny, Rainer / Wallny, Rainer
08803 - Grab, Christoph (Tit.Prof.)