The MSW Effect · Matter-Enhanced Neutrino Oscillation
unseel.com · dense solar core → vacuum · adiabatic level crossing
ne 6×10²⁵ cm⁻³
P(νe) 0.55
phase
Electron neutrino νe
Heavy eigenstate ν₂
Electron density ne
MSW resonance / level crossing
Unseel.com · The MSW Effect: How Matter Rewrites Neutrino Oscillations Inside the Sun