2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47721We solve the B.S. equation of glueballs under instantaneous approximation. With the B.S wave function obtained we calculate the decay width of glueballs to two pseudoscalar mesons, $Γ(ππ)$, $Γ(kk)$ and $Γ(ηη)$. $Γ(ηη^\prime)$ from QCD anomaly is also estimated.11 pages, latex, 4 figuresHigh Energy Physics - Phenomenologytext