Searches for the production of supersymmetric particles under the assumption
that R-parity is violated via a single dominant LLE, LQD or UDD coupling were
performed. These use the data collected by the ALEPH detector at LEP at centre-of-mass
energies from 188.6 to 201.6GeV. The numbers of candidate events observed in the
data are consistent with Standard Model expectations. Upper limits on the
production cross sections and lower limits on the masses of charginos, sleptons,
squarks and sneutrinos are derived.
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