particle-antiparticle pair

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• Antiparticle — The laws of nature are very nearly symmetrical with respect to particles and antiparticles. For example, an antiproton and a positron can form an antihydrogen atom, which has almost exactly the same properties as a hydrogen atom. A physicist… …   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

• Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… …   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 — Light–matter interaction Low energy phenomena …   Wikipedia

• 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 …  

• Virtual particle — In physics, a virtual particle is a particle that exists for a limited time and space, introducing uncertainty in their energy and momentum due to the Heisenberg Uncertainty Principle. (Indeed, because energy and momentum in quantum mechanics are …   Wikipedia

• subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …   Universalium

• Elementary particle — In particle physics, an elementary particle or fundamental particle is a not known to have substructure; that is, it is not known to be made up of smaller particles. If an elementary particle truly has no substructure, then it is one of the basic …   Wikipedia

• Matter — This article is about the concept in the physical sciences. For other uses, see Matter (disambiguation). Matter is a general term for the substance of which all physical objects consist.[1][2] Typically, matter includes atoms and other particles… …   Wikipedia

• Dual superconducting model — In quantum gauge theory, the dual superconducting model is a proposed explanation of confinement as the dual of a superconductor. A superconductor, at least BCS superconductors, is another name for the Higgs mechanism.Suppose a gauge theory has… …   Wikipedia