2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179611We report on measurements of the total cross section for e+e- --> 2-Gamma for center-of-mass energies between 57.4 and 59.5 GeV, using the AMY detector at the TRISTAN collider. We set new limits on the production of a possible new s-channel resonance decaying into photon pairs.18 pages (3 figures), VPI-IHEP-93/2High Energy Physics - PhenomenologySearch for Anomalous $γγ$ Production at TRISTANtext