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Measurement of the $t\bart$ production cross section in $p\barp$ collisions at $\sqrt{s}$ = 1.96 TeV using kinematic characteristics of lepton + jets events

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Academic year: 2021

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Figure 1 shows the measured probability that the elec- elec-tron passes the L3 condition and the parameterization used in the analysis for the last data-taking period
FIG. 3: The trigger efficiency for a jet to pass L1, L2 and L3 trigger requirements for the three different calorimeter  re-gions: CC (top), ICD (middle) and EC (bottom).
FIG. 4: Track match efficiency in Z → e + e − data and Monte Carlo and their ratio as a function of η (top) and ϕ (bottom) in CC.
FIG. 5: ∆ϕ(e, 6 E T ) versus 6 E T in the multijet QCD data sample, t ¯ t Monte Carlo, W +jets Monte Carlo and in data
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We report a measurement of the tt¯ production cross section using dilepton events with jets and missing transverse energy in pp collisions at a center-of-mass energy of 1.96 TeV..