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Noun
1. pair productionPhysics terminology
Wikipedia definition
2. Pair productionPair production refers to the creation of an elementary particle and its antiparticle, usually when a photon (or another neutral boson) interacts with a nucleus. For example an electron and its antiparticle, the positron, may be created. This is allowed, provided there is enough energy available to create the pair – at least the total rest mass energy of the two particles – and that the situation allows both energy and momentum to be conserved.
Read “Pair production” on English Wikipedia
Read “対生成” on Japanese Wikipedia
Read “Pair production” on DBpedia

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