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The inclusive cross section of top quark-antiquark pairs produced in$p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV is measured in the lepton$+$jetsand dilepton decay channels. The data sample corresponds to 9.7 fb${}^{-1}$ ofintegrated luminosity recorded with the D0 detector during Run II of theFermilab Tevatron Collider. Employing multivariate analysis techniques wemeasure the cross section in the two decay channels and we perform a combinedcross section measurement. For a top quark mass of 172.5 GeV, we measure acombined inclusive top quark-antiquark pair production cross section of$\sigma_{t\bar{t}} = 7.26 \pm0.13\,(\mathrm{stat.})\,^{+0.57}_{-0.50}\,(\mathrm{syst.})$ pb which isconsistent with standard model predictions. We also perform a likelihood fit tothe measured and predicted top quark mass dependence of the inclusive crosssection, which yields a measurement of the pole mass of the top quark. Theextracted value is $m_t = 172.8 \pm1.1\,(\mathrm{theo.})\,^{+3.3}_{-3.1}\,(\mathrm{exp.})$ GeV.

physical review. d/physical review. d.

Measurement of the inclusive $t\bar{t}$ production cross section in  $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV and determination of the top  quark pole mass