Measurement of the $t\bar{t}productioncrosssectionin$p\bar{p}$collisionsat$\sqrt{s}$ = 1.8 TeV

Abstract

We update the measurement of the top production cross section using the CDF detector at the Fermilab Tevatron. This measurement uses $t\bar{t}$ decays to the final states $e+\nu$+jets and $\mu +\nu$+jets. We search for $b$ quarks from $t$ decays via secondary-vertex identification or the identification of semileptonic decays of the $b$ and cascade $c$ quarks. The background to the $t\bar{t}$ production is determined primarily through a Monte Carlo simulation. However, we calibrate the simulation and evaluate its uncertainty using several independent data samples. For a top mass of 175 $GeV/c^2$, we measure ${\sigma }_{t\bar{t}}=5.1\pm 1.5$ pb and ${\sigma }_{t\bar{t}}=9.2\pm 4.3$ pb using the secondary vertex and the lepton tagging algorithms, respectively. Finally, we combine these results with those from other $t\bar{t}$ decay channels and obtain ${\sigma }_{t\bar{t}}=6.5_{-1.4}^{+1.7}$ pb.

The manuscript consists of 130 pages, 35 figures and 42 tables in RevTex. The manuscript is submitted to Physical Review D. Fixed typo in author list

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