pair creation

/pɛər kriˌeɪʃən/
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Definitions of pair creation
  1. noun
    the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus
    synonyms: pair formation, pair production
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    type of:
    action, activity, natural action, natural process
    a process existing in or produced by nature (rather than by the intent of human beings)
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