Limit on the top-quark mass from proton-antiproton collisions at sqrt s =1.8 TeV.
1992
We present results of searches for the top quark in {ital p{bar p}} collisions at {radical}{ital s} =1.8 TeV. The data sample was collected during 1988--1989 at the Fermilab Tevatron Collider and has an integrated luminosity of 4.1 pb{sup {minus}1}. We have extended our previous search for {ital e}{mu} final states to include the {ital ee} and {mu}{mu} channels. In addition, we have searched for a low-transverse-momentum muon as a tag of the bottom quark in top decay events with a lepton and at least two jets. We obtain a lower limit on the top-quark mass of 91 GeV/{ital c}{sup 2} at the 95% confidence level assuming standard-model charged-current decays.
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