2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37532The interaction of virtual photons is investigated using double tagged gammagamma events with hadronic final states recorded by the ALEPH experiment at e^+e^- centre-of-mass energies between 188 and 209 GeV. The measured cross section is compared to Monte Carlo models, and to next-to-leading-order QCD and BFKL calculations.Submitted to The European Physical Journal CHigh Energy Physics - Experimenttext