2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49312We investigate the electroweak form factors and semileptonic decay rates of mesons using the constituent quark model based on the light-front degrees of freedom. Our results demonstrate the broader applicability of light-front approach including the timelike region of exclusive processes.8 pages, Latex with 3 figures: Invited talk presented at the workshop on Exclusive and Semi-exclusive Processes at High Momentum Transfer, Jefferson Lab., May 20-22, 1999High Energy Physics - Phenomenologytext