2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37501At the HERA collider the experiments H1 and ZEUS have studied the exclusive production of vector mesons over a wide kinematical range. A selection of recent measurements of the cross sections has been presented at Moriond QCD 2003.4 pages, 7 figures, invited talk given at Moriond QCD Mar 22-29, 2003 on behalf of the ZEUS and H1 Collaborations, to appear in the proceedingsHigh Energy Physics - Experimenttext