Neutrino Oscillations
P(νe→νe) = 1 - sin²2θ·sin²(Δm²L/4E)
MSW: θ_m → θ when ρ→0
Mixing angle θ (deg):
33.5
°
Δm² (×10⁻³ eV²):
2.5
Energy E (MeV):
10
Matter density ρ (g/cm³):
0
νe survival
νμ appearance
MSW resonance: ρ_res = Δm²cos2θ/(2√2 G_F Y_e E)