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Title
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Measurement of the production cross section in pp collisions at = 7 TeV using the kinematic properties of events with leptons and jets
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| 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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Language
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English
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Source (journal)
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European physical journal : C : particles and fields. - Berlin
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Publication
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Berlin
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2011
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ISSN
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1434-6044
1434-6052
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DOI
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10.1140/EPJC/S10052-011-1721-3
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Volume/pages
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71
:9
(2011)
, p. 1-27
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Article Reference
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1721
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ISI
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000295527700001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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