Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2009-01-26
Phys.Rev.D79:052007,2009
Physics
High Energy Physics
High Energy Physics - Experiment
53 pages, 14 figures. Submitted to Phys. Rev. D
Scientific paper
10.1103/PhysRevD.79.052007
We present a measurement of the $\ttbar$ production cross section in $\ppbar$ collisions at $\sqrt{s}=1.96$ TeV using events containing a high transverse momentum electron or muon, three or more jets, and missing transverse energy. Events consistent with $\ttbar$ decay are found by identifying jets containing candidate heavy-flavor semileptonic decays to muons. The measurement uses a CDF Run II data sample corresponding to $2 \mathrm{fb^{-1}}$ of integrated luminosity. Based on 248 candidate events with three or more jets and an expected background of $79.5\pm5.3$ events, we measure a production cross section of $9.1\pm 1.6 \mathrm{pb}$.
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