Antineutrinos produced from decays of neutrons cannot be in coherent superpositions of different mass eigenstates
arXiv:2410.03133
Abstract
The entire wavefunction of the antineutrino-proton-electron system, produced by the decay of a neutron is analyzed. It is proven that the antineutrino cannot be in coherent superpositions of different mass eigenstates, irrespective of the initial momentum distribution of the neutron.