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Title
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Measurement of the single top quark and antiquark production cross sections in the t channel and their ratio in proton-proton collisions at =13 TeV
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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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| Measurements of the cross sections for the production of single top quarks and antiquarks in the t channel, and their ratio, are presented for proton-proton collisions at a center-of-mass energy of 13 TeV. The data set used was recorded in 2016 by the CMS detector at the LHC and corresponds to an integrated luminosity of 35.9 fb(-1). Events with one muon or electron are selected, and different categories of jet and b jet multiplicity and multivariate discriminators are applied to separate the signal from the background. The cross sections for the t-channel production of single top quarks and antiquarks are measured to be 130 +/- 1(stat) +/- 19(syst) pb and 77 +/- 1(stat) +/- 12(syst) pb, respectively, and their ratio is 1.68 +/- 0.02(stat) +/- 0.05(syst). The results are in agreement with the predictions from the standard model. (C) 2019 The Author(s). Published by Elsevier B.V. |
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Language
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English
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Source (journal)
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Physics letters : B. - Amsterdam, 1967, currens
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Publication
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Amsterdam
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North-Holland
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2020
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ISSN
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0370-2693
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DOI
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10.1016/J.PHYSLETB.2019.135042
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Volume/pages
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800
(2020)
, 30 p.
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Article Reference
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135042
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ISI
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000503832500032
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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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