Measurement of the top quark pair cross section with ATLAS in pppp collisions at s=\sqrt{s} = 7 TeV using final states with an electron or a muon and a hadronically decaying τ\tau lepton

Collaboration
May, 2012

Citations per year

201220152018202120240510152025
Abstract: (Elsevier)
A measurement of the cross section of top quark pair production in proton–proton collisions recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 7 TeV is reported. The data sample used corresponds to an integrated luminosity of 2.05 fb −1 . Events with an isolated electron or muon and a τ lepton decaying hadronically are used. In addition, a large missing transverse momentum and two or more energetic jets are required. At least one of the jets must be identified as originating from a b quark. The measured cross section, σtt¯=186±13(stat.)±20(syst.)±7(lumi.) pb , is in good agreement with the Standard Model prediction.
Note:
  • 10 pages plus author list (22 pages total), 4 figures, 5 tables, submitted to Physics Letters B
  • Top quark physics
  • Cross section
  • Lepton + tau
  • Lepton+τ
  • [formula omitted]
  • channel cross section: measured
  • top: pair production
  • p p: scattering
  • ATLAS
  • CERN LHC Coll