"pair production." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/pair-production>.
pair production. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/pair-production
The simultaneous creation of a subatomic particle and its antiparticle from another form of energy, especially the production of a positron and an electron from a gamma ray photon in a strong electric field, such as that surrounding a nucleus.