2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/207347We present new results on the search for the top quark in p anti-p collisions at S**(1/2) = 1.8 TeV with an integrated luminosity of 13.5 +- 1.6 pb**(-1). We have considered t anti-t production in the Standard Model using electron and muon dilepton decay channels (t anti-t -> e mu + jets, e e + jets, and mu mu + jets) and single-lepton decay channels (t anti-t -> e + jets and mu + jets) with and without tagging of b quark jets. From all channels, we have 9 events with an expected background of 3.8 +- 0.9. If we assume that the excess is due to t anti-t production, and assuming a top mass of 180 GeV/c**2, we obtain a cross section of 8.2 +- 5.1 pb.12 pages FERMILAB-PUB-94/354-E (submitted to Phys. Rev. Lett.), http://d0wop.fnal.gov/d0pubs/journals/PRLTOP/PRLTOP.htmlHigh Energy Physics - Experimenttext