2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183414We investigate $ρ$-meson photoproduction in a coupled-channels formulation. It is shown that channel coupling effects are large and account for discrepancies observed in several single-channel treatments.8 pages, 5 figures; small textual corrections and notation changesNuclear Theorytext