2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83292The Delta-Delta component of the deuteron, where Delta stands for the Delta(1232) resonance, is calculated in the relativistic field theory model of the deuteron. For the probability of the Delta-Delta component of the deuteron we give P(Delta-Delta) = 0.08 %. This prediction agrees good with the experimental estimate P(Delta-Delta) < 0.4 % at 90 % of CL (D. Allasia et al., Phys. Lett. B174 (1986) 450).7 pages, no figers, LatexNuclear Theorytext