2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/82005The possibilities of unlike particle correlations for a study of particle delays and spatial shifts in relativistic heavy ion collisions are demonstrated. This report represents the unpublished Ref. [4] in the paper by S. Voloshin et al., Phys. Rev. Lett. {\bf 79} (1977) 4766; the report abstract was submitted to the conference Quark Matter'97.5 pages, RevTexNuclear Theorytext