2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/202349We have searched for decays of the tau lepton into seven or more charged particles, using data collected with the OPAL detector from 1990 to 1995 in e^+e^- collisions at sqrt(s) ~ M_Z. No candidate events were found and an upper limit on the branching ratio for tau decays into seven charged particles of 1.8 x 10^-5 at the 95% confidence level was determined.13 pages LaTeX, uses a4p.sty, 4 eps figures included, accepted by Physics Letters BHigh Energy Physics - Experimenttext