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United States physicist who discovered antimatter in the form of an antielectron that is called the positron (1905-1991) Anderson , Carl Anderson , Carl David Anderson
elementary particle with positive charge; interaction of a positron and an electron results in annihilation antielectron , positron
antiparticle of a muon; decays to positron and neutrino and antineutrino antimuon , positive muon
high-speed electron or positron emitted in the decay of a radioactive isotope beta particle
English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984) Dirac , Paul Adrien Maurice Dirac
transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus pair creation , pair formation , pair production
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