2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/230741Peaks observed by Belle in DD at 3.878 GeV and in D*D* at 4.156 GeV may be fitted by phase space multiplied by a form factor with an RMS radius of interaction 0.63 fm. The peak observed in Lambda_C Lambda_C at 4.63 GeV may be explained by Y(4660), multiplied by a corresponding form factor with RMS radius 0.94 fm.3 pages, 1 figures Shorted version, conclusions unchangedHigh Energy Physics - Phenomenologytext