Limits on the production of massive stable charged particles.
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We present improved limits on the production of massive stable charged particles in pp collisions using the Collider Detector at Fermilab based on an integrated luminosity of 3.54 pb-1. Both unit and fractionally charged particles are considered. Cross-section upper limits are determined for masses from 50 to 500 GeV/c2. Theoretical cross sections are used to set bounds on the mass of fermionic color triplets, sextets, octets, and decuplets as well as scalar triplets. 1992 The American Physical Society.