2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/218544For a system with three identical atoms, the dependence of the $s-$wave virtual state energy on the weakly bound dimer and trimer binding energies is calculated in a form of a universal scaling function. The scaling function is obtained from a renormalizable three-body model with a pairwise Dirac-delta interaction. It was also discussed the threshold condition for the appearance of the trimer virtual state.9 pages, 3 figuresAtomic PhysicsCondensed MatterAtomic and Molecular Clusterstext