Measurement of the tt production cross section in pp collisions at √s=8 TeV in dilepton final states containing one τ lepton

CMS Collaboration

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The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying τ lepton from the process tt→(ℓνℓ)(τντ)bb-, where ℓ=e,μ. The data sample corresponds to an integrated luminosity of 19.6 fb-1 collected with the CMS detector in proton-proton collisions at √s=8 TeV. The measured cross section σtt-=257±3 (stat)±24 (syst)±7 (lumi) pb, assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction.

Original languageEnglish
Pages (from-to)23-43
Number of pages21
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Publication statusPublished - 2 Dec 2014
Externally publishedYes



  • CMS
  • Physics
  • Tau
  • Top quark

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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