2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109899Some features and predictions of a recently proposed model based on diquark-antidiquark bound states are illustrated. Its ability in accomodating newly discovered charmed resonances around 4 GeV is discussed.To appear in the proceedings of the HEP2005 International Europhysics Conference on High Energy Physics, July 21st-27th 2005, Lisboa, PortugalHigh Energy Physics - Phenomenologytext