Context:
In beta-decay the kinetic energy of the electron is continuous. This led Pauli to the conclusion, that the pre-1930 picture (beta-decay = neutron -> proton + electron) is incorrect and he assumed that a third particle (the neutrino) is taking part.
Question:
Why would the following...
Thank you very much for your help.
Would it be correct to say that, when Ray Davis Jr. started detecting the sun's neutrino flux in the late 60s, he was not only unaware of the fact that neutrinos do have masses, but he was also unaware of the fact that there are three types of neutrinos?
Masses of Neutrinos
Context:
Neutrino oscillation is an example for a phenomenon that led physicists to believe, that neutrinos do have masses and to refine the original Standard Modell, that did not account for neutrinos to have a mass other than zero.
Question:
Why though did people...
Wikipedia says that the phenomenon of Neutrino Oscillation implies that the neutrino has a non-zero mass (http://en.wikipedia.org/wiki/Neutrino_oscillation" ).
Why is that? Why is it that Neutrino Oscillation can only exist, if neutrinos do have mass?