2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179000We discuss the mixing between the sigma meson sigma and the "pure" glueball field H and study the decays of the scalar glueball candidates f_0(1370), f_0(1500) and f_0(1710) (a linear combination of sigma and H) into two pions in an effective linear sigma model.10 pages and 3 figures (an extended version of hep-ph/9805412), to appear in Phys. Rev. DHigh Energy Physics - Phenomenologytext