We report the results of a search for a W' boson produced in
p anti-p collisions at a center-of-mass energy of 1.8 TeV using 106 pb-1 data
sample recorded by the Collider Detector at Fermilab. We observe no
significant excess of events above background for a W' boson decaying to a
top and bottom quark pair, with the top quark subsequently decaying into a
semileptonic final state. These data allow us to set limits on the rate of
W' boson production and decay. In a model where this boson would mediate
interactions involving a massive right-handed neutrino (neutrino_R) and has
Standard Model strength couplings, we exclude a W' boson with mass between
225 and 536 GeV/c2 at 95% confidence level for M_W' >> M_neutrino R and
between 225 and 566 GeV/c2 at 95% confidence level for M_W' < M_neutrino R.
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Updated: Tuesday, 2003 March 25 10:51:10 CST automatically from input from "Carol I. Picciolo"