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We present a measurement of tt̄ production in pp̄ collisions at √s0ex0ex=0ex0ex1.8TeV from 110pb^-1 of data collected in the all-jets decay channel with the D0 detector at Fermilab. A neural network analysis yields a cross section of 7.1±2.8(stat)±1.5(syst)pb at a top quark mass (mₜ) of 172.1GeV/c². Using previous D0 measurements from dilepton and single lepton channels, the combined D0 result for the tt̄ production cross section is 5.9±1.2(stat)±1.1(syst)pb for mₜ0ex0ex=0ex0ex172.10ex0exGeV/c².
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Abbott et al. (1999) studied this question.
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