2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87518Symmetry has imposed very strong constraints on the structures of internal wave functions and on the accessibility of outgoing channels. Based on symmetry consideration, the existence of a number of bound excited states and low-lying resonances has been suggested.2 Table, no figuresAtomic PhysicsQualitative analysis on the existence of bound excited states and low-lying resonances of the dipositroniumtext