Measurement of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mover accent="true"><mml:mi>p</mml:mi><mml:mo>¯</mml:mo></mml:mover><mml:mo>→</mml:mo><mml:mi>t</mml:mi><mml:mover accent="true"><mml:mi>t</mml:mi><mml:mo>¯</mml:mo></mml:mover></mml:math>production cross section and the top quark mass at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>1.96</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math>in the all-hadronic decay mode

We report the measurements of the $t\overline{t}$ production cross section and of the top quark mass using $1.02\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ of $p\overline{p}$ data collected with the CDF II detector at the Fermilab Tevatron. We select events with six or more jets on which a number of kinematical requirements are imposed by means of a neural network algorithm. At least one of these jets must be identified as initiated by a $b$-quark candidate by the reconstruction of a secondary vertex. The cross section is measured to be ${\ensuremath{\sigma}}_{t\overline{t}}=8.3\ifmmode\pm\else\textpm\fi{}1.0(\mathrm{stat}{)}_{\ensuremath{-}1.5}^{+2.0}(\mathrm{syst})\ifmmode\pm\else\textpm\fi{}0.5(\mathrm{lumi})\text{ }\text{ }\mathrm{pb}$, which is consistent with the standard model prediction. The top quark mass of $174.0\ifmmode\pm\else\textpm\fi{}2.2(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}4.8(\mathrm{syst})\text{ }\text{ }\mathrm{GeV}/{c}^{2}$ is derived from a likelihood fit incorporating reconstructed mass distributions representative of signal and background.

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