2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/177501Using the CLEO-c detector and a data sample of 0.8 million D+D- pairs at the Psi(3770) a search has been performed for flavor changing neutral current and lepton number violating decays of D+ mesons to final states with dielectrons. No signals are observed and 90% confidence limits are set for specific decay modes in the range of a few times ten to the minus six.To be published in the Proceedings of the International Europhysics Conference on High Energy Physics, July 2005, Lisboa, PortugalHigh Energy Physics - Experimenttext