They are weirder than you think. They interact with flavor, but these are a superposition of three mass states and it all oscillates. https://en.wikipedia.org/w

They are weirder than you think. They interact with flavor, but these are a superposition of three mass states and it all oscillates. https://en.wikipedia.org/wiki/Neutrino_oscillation https://en.wikipedia.org/wiki/Neutrino_oscillation