electron-positron pair production

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• Pair production — Light–matter interaction Low energy phenomena …   Wikipedia

• pair production — Physics. the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed. [1930 35] * * * Formation of an electron and a positron from high energy electromagnetic radiation… …   Universalium

• Electron-positron annihilation — occurs when an electron and a positron (the electron s anti particle) collide. The result of the collision is the conversion of the electron and positron and the creation of gamma ray photons or, less often, other particles. The process must… …   Wikipedia

• Pair production — Pair pro*duc tion (Physics) The simultaneous creation of a particle and its antiparticle, such as an electron and positron, from a photon; usually due to its interaction with the strong field near a nucleus. [PJC] …   The Collaborative International Dictionary of English

• pair production — n. a process whereby a gamma ray having an energy greater than 1.02 MeV is converted into an electron and positron pair in the strong electric field of a nucleus …   English World dictionary

• Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …   Wikipedia

• Électron — Traduction à relire Electron → …   Wikipédia en Français

• pair production — noun the transformation of a gamma ray photon into an electron and a positron when the photon passes close to an atomic nucleus • Syn: ↑pair creation, ↑pair formation • Hypernyms: ↑natural process, ↑natural action, ↑action, ↑activity …   Useful english dictionary

• pair production — /ˈpɛə prədʌkʃən/ (say pair pruhdukshuhn) noun 1. the simultaneous creation of a positron and an electron as the result of the interaction between a high energy photon or particle and the field of an atomic nucleus. 2. the simultaneous creation of …  

• pair production — noun Date: 1934 the transformation of a quantum of radiant energy simultaneously into an electron and a positron when the quantum interacts with the intense electric field near a nucleus …   New Collegiate Dictionary

• pair production — noun Physics the conversion of a gamma ray into an electron and a positron …   English new terms dictionary