2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210448The corrections to the model of $n\bar{n}$ transitions in the medium and additional baryon-number-violating processes are considered. We focus on the time-dependence since it is different for the $n\bar{n}$ transition followed by annihilation (basic process) and processes mentioned above.10 pages, 3 figures, minor correctionsHigh Energy Physics - PhenomenologyNuclear Theorytext