2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/177758We study the two point-function for the scalar mesons $σ, κ, f_0(980)$ and $a_0(980)$ as diquak-antidiquark states. We also study the decays of these mesons into $ππ$, $Kπ$ and $K\bar{K}$. We found that the couplings are consistent with existing experimental data, pointing in favor of the four-quark structure for the light scalar mesons.6 pages, 4 figuresHigh Energy Physics - PhenomenologyNuclear Theorytext