2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/105200A theoretical possibility is shown for the bound state of a tetraneutron to exist in the case of the proposed neutron-neutron potentials in the singlet state with two attractive wells separated by a repulsive barrier. The anomalous behaviours are revealed for the calculated size, density distribution, and pair correlation functions of a hypothetical tetraneutron.8 pages including 3 figuresNuclear TheoryCan tetraneutron exist from theoretical point of view?text