Antineutrinos produced from β decays of neutrons cannot be in coherent superpositions of different mass eigenstates
Abstract
The entire wavefunction of the antineutrino-proton-electron system, produced by the β 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.
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