2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/186967We show that a left-handed neutrino $ν_L$ can oscillate into its $CP$- conjugated state $\barν_R$ with maximal amplitude, in direct analogy with $K^0-\bar{K}^0$ oscillations. Peculiarities of such oscillations under different conditions are studied.LaTeX, 14 pages, 1 figure (not included but available upon request by fax or ordinary mail), SISSA 9/93/EP, IC/93/10High Energy Physics - Phenomenologytext