Definition of pair production in English:

pair production


mass nounPhysics
  • The conversion of a radiation quantum into an electron and a positron.

    • ‘Several experimental arrangements have been used to study pair production in targets using the photons emitted by radioactive sources.’
    • ‘Pair production is an important photon interaction process at high energies.’
    • ‘The fact that pair production always results in equal numbers of particles and antiparticles poses a cosmological question: why is antimatter so rare?’