Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2006-03-22
Phys.Rev.Lett.96:202002,2006
Physics
High Energy Physics
High Energy Physics - Experiment
7 pages, 4 figures, submitted to Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.96.202002
We present a measurement of the t anti-t production cross section in p anti-p collisions at s**(1/2) = 1.96 TeV which uses events with an inclusive signature of significant missing transverse energy and jets. This is the first measurement which makes no explicit lepton identification requirements, so that sensitivity to W --> tau nu decays is maintained. Heavy flavor jets from top quark decay are identified with a secondary vertex tagging algorithm. From 311 pb-1 of data collected by the Collider Detector at Fermilab we measure a production cross section of 5.8 +/- 1.2(stat.)+0.9_-0.7(syst.) pb for a top quark mass of 178 GeV/c2, in agreement with previous determinations and standard model predictions.
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