Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2005-04-28
Phys.Lett.B626:35-44,2005
Physics
High Energy Physics
High Energy Physics - Experiment
7 pages, 2 figures, 3 tables Submitted to Phys.Rev.Lett
Scientific paper
10.1016/j.physletb.2005.08.103
We present a measurement of the top quark pair ($t\bar{t}$) production cross section ($\sigma_{t\bar{t}}$) in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV using 230 pb$^{-1}$ of data collected by the D0 experiment at the Fermilab Tevatron Collider. We select events with one charged lepton (electron or muon), missing transverse energy, and jets in the final state. We employ lifetime-based b-jet identification techniques to further enhance the $t\bar{t}$ purity of the selected sample. For a top quark mass of 175 GeV, we measure $\sigma_{t\bar{t}}=8.6^{+1.6}_{-1.5}(stat.+syst.)\pm 0.6(lumi.)$ pb, in agreement with the standard model expectation.
"D0 Collaboration
Abazov V.
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