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Is it possible for a positron/electron (rest mass = 0.511 MeV/c2) pair to collide with sufficient...

Is it possible for a positron/electron (rest mass = 0.511 MeV/c2) pair to collide with sufficient speed that they can annihilate and produce a proton/anti-proton (rest mass = 938.27 MeV/c2) pair?

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