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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 $\sqrt{s} =$ 13 TeV

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arxiv 1812.10514 v2 pith:2G76YZ4A submitted 2018-12-26 hep-ex

classification hep-ex
keywords channelcrossproductionratiosectionssinglestatsyst
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

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 $\pm$ 1 (stat) $\pm$ 19 (syst) pb and 77 $\pm$ 1 (stat) $\pm$ 12 (syst) pb, respectively, and their ratio is 1.68 $\pm$ 0.02 (stat) $\pm$ 0.05 (syst). The results are in agreement with the predictions from the standard model.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Measurement of differential $t$-channel single top (anti)quark production cross-sections at 13 TeV with the ATLAS detector

    hep-ex 2026-01 accept novelty 6.0 of 10

    First separate differential tq and tbarq t-channel single-top cross-sections at 13 TeV, using the full ATLAS Run 2 sample, agree with NLO/NNLO QCD and set −0.12 < C_Qq^{3,1}/Λ² < 0.12 TeV⁻² at 95% CL.

  2. Search for heavy Higgs bosons decaying to a top quark pair in proton-proton collisions at $\sqrt{s} =$ 13 TeV

    hep-ex 2019-08 accept novelty 6.0 of 10

    CMS sets new 95% CL upper limits on the top-quark coupling of scalar and pseudoscalar Higgs bosons with masses from 400 to 750 GeV, and reports a 1.9 sigma excess near 400 GeV.

  3. Three-loop soft anomalous dimensions for top-quark production

    hep-ph 2019-08 conditional novelty 2.0 of 10

    Most three-loop formulas quoted here were already published by the same author; the top-pair three-loop results are explicitly incomplete.

  4. Single top quark and rare top quark production at ATLAS and CMS

    hep-ex 2019-08 accept

    A conference summary of ATLAS and CMS measurements of single top and rare top production, including first evidence for t gamma q, first observation of tZq, and new limits on four-top production and charged lepton flav...

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