Photon and its antiparticle

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DrDu

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Dear SpectraCat,

I think that the neutrino-anti-neutrino production is the only process possible at least in principle which at least satisfies energy conversion. I think it would be a process in higher order in both the electromagnetic and the weak interaction, so that in fact there is no chance to observe it in the lifetime of the universe. E. g. in a first step, a virtual W^+ W^- pair could be formed, then both vector bosons decay into electron antielectron, neutrino and antineutrino and in a last step, the electron and antielectron anihilate the second photon, leaving the neutrino and anti-neutrino.
 

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