2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37782Based on a data sample of 60 pb-1 collected at the psi(3770) resonance with the CLEO-c detector at CESR, we present improved measurements of absolute branching fractions for exclusive D0 semileptonic decays into K- e+ nu, pi- e+ nu and K*- e+ nu; and the first observation and absolute branching fraction measurement of D0 to rho- e+ nu.15 pages postscript,also available through http://www.lns.cornell.edu/public/CONF/2004/, Presented at ICHEP Aug 16-22,2004, Beijing, ChinaHigh Energy Physics - Experimenttext