2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43633It is shown that equal magnitudes of the transitions $\bar ν_e \to \bar ν_μ$ and $\bar ν_e \to \bar ν_τ$ in the disappearance of reactor $\bar ν_e$ discovered in the KamLAND experiment just follows at $θ_{23}=π/4$ and $θ_{13}=0$ from pure symmetry of $ν_μ$ and $ν_τ$ states relatively the mass states.1 pageHigh Energy Physics - Phenomenologytext