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Results tagged with pair-production
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user 64003
Pair production is the creation of an elementary particle and its antiparticle out of a neutral boson, typically a photon, but sometimes a gluon.
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Why the photon can't produce electron and positron in space or in vacuum?
Let us say that the photon has created pair of massive particles. There must exist a reference frame ("center of mass") in which the total momentum of the two particles is zero. So by momentum conserv …
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