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Definitions of photon
  1. noun
    a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
Definition that contains photon
  • h the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
  • einstein physicist born in Germany who formulated the special theory of relativity and the general theory of relativity; Einstein also proposed that light consists of discrete quantized bundles of energy (later called photons) (1879-1955)
  • feynman United States physicist who contributed to the theory of the interaction of photons and electrons (1918-1988)
  • yukawa Japanese mathematical physicist who proposed that nuclear forces are mediated by massive particles called mesons which are analogous to the photon in mediating electromagnetic forces (1907-1981)
  • qed a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
  • scintillation (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
  • scintillate physics: fluoresce momentarily when struck by a charged particle or high-energy photon
  • photoelectron an electron that is emitted from an atom or molecule by an incident photon
  • pair creation the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus
  • richard phillips feynman United States physicist who contributed to the theory of the interaction of photons and electrons (1918-1988)
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