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RE: The chameleons of the Standard Model: neutrinos in a nutshell
Particle physics is not my strength. Can you explain this idea to me: They are massive, which implies they oscillate: a neutrino of a given type can turn into a neutrino of another time when it propagates or interacts.
I don't get the connection between a particle having mass and oscillating.
This comes from the calculations themselves and is not trivial to explain in layman's terms. If one starts computing the oscillation probabilities, one will find that these probabilities are proportional to the mass differences between the neutrinos. Therefore, as oscillations have been observed, neutrinos cannot be all massless.