2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47669This talk is a brief review of the recent studies on probing new physics through single top quark processes and probing exotic top quark decays at the upgraded Tevatron.Talk presented by J. M. Yang at the Top Quark Working Group at the Workshop on Physics at the First Muon Collider, Nov. 6-9, 1997, FNALHigh Energy Physics - Phenomenologytext