2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/182560The production of saxion in $e^{+}$$e^{-}$ collider and the saxion decay into two photons were calculated in detail. Based on results it shows that the saxion is stable in our universe and can play the role of the late decaying particle (LDP) in a dark matter.6 pages,1 figureHigh Energy Physics - Phenomenologytext