We present searches for quark-lepton compositeness and a heavy W'
boson at high electron-neutrino transverse mass. We use ~110 pb-1 of data
collected in p anti-p collisions at s**(1/2) = 1.8 TeV by the CDF collaboration
during 1992-95. The data are consistent with standard model expectations.
Limits are set on the quark-lepton compositeness scale Lambda and the ratio
of partial cross sections sigma(W' --> e nu)/sigma(W --> e nu). The cross
section ratio is used to obtain a lower limit on the mass of a W' boson with
standard model couplings. We exclude Lambda < 2.81 TeV and a W' boson with
mass below 754 GeV/c2 at the 95% confidence level. We combine the W' mass
limit with our previously published limit obtained using the muon channel,
to exclude a W' boson with mass below 786 GeV/c2 at the 95% confidence
level.
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Updated: Thursday, 2001 December 06 15:39:52 CST automatically from input from Carol Picciolo