2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/103436The QCD analysis of the hard exclusive production of $ρ^+ρ^-$ and $ρ^0ρ^0$ mesons in two photon collisions shows that the recent experimental data obtained by the L3 Collaboration at LEP can be understood as a signal for the existence of an exotic isotensor resonance with a mass around $1.5 {\rm GeV}$.3 pages, 2 figures; Presented at Photon2005, Warsaw, PolandHigh Energy Physics - Phenomenologytext