Top Quark Pair Production at Tevatron and LHC. Andrea Bangert, Herbstschule fuer Hochenergiephysik, Maria Laach, September 2007. Overview. Top pair production Pair production as test of perturbative QCD Top decay Cross section measurements at the Fermilab Tevatron
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Andrea Bangert, Herbstschule fuer Hochenergiephysik, Maria Laach, September 2007
scale μ = μR = μF
Parton Density Functions
Measurement of σ serves as experimental test of pQCD.
√s = 1.96 TeV
Kidonakis + Vogt: σ = 6.8 ± 0.6 pb
Cacciari et al:σ = 6.7 ± 0.7 pb
CDF,mt = 170 GeV: σ = 7.7 ± 0.9 pb
CDF, mt = 175 GeV: σ = 7.3 ± 0.9 pb
CDF Cross Section
Cross Section Studies
σ·Γ = 246.0 ± 3.5 (stat) pb
From Monte Carlo: σ·Γ = 248.5 pb
L = 1032cm-2s-1, √s = 1.96 TeV
Atlantis is an event display designed for the ATLAS experiment.