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Title
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Measurement of the production cross section in the plus jets channel in pp collisions at
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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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| The top-quark pair production cross section in 7 TeV center-of-mass energy proton-proton collisions is measured using data collected by the CMS detector at the LHC. The measurement uses events with one jet identified as a hadronically decaying tau lepton and at least four additional energetic jets, at least one of which is identified as coming from a b quark. The analyzed data sample corresponds to an integrated luminosity of 3.9 fb(-1) recorded by a dedicated multijet plus hadronically decaying tau trigger. A neural network has been developed to separate the top-quark pairs from the W + jets and multijet backgrounds. The measured value of sigma(t (t) over bar) = 152 +/- 12 (stat.) +/- 32 (syst.) +/- 3 (lum.) pb is consistent with the standard model predictions. |
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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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2013
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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/S10052-013-2386-X
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Volume/pages
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73
:4
(2013)
, p. 1-18
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Article Reference
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2386
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ISI
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000318292200022
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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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