Charpak, Georges

Charpak, Georges

(zhôrzh shärpäk`), 1924–2010, French physicist, b. Dąbrowica, Poland (now Dubrovytsia, Ukraine), Ph.D Collège de France, 1954. Affiliated with CERNCERN
or European Organization for Nuclear Research,
nuclear and particle physics research center straddling the French-Swiss border W of Geneva, Switzerland. Established in 1952 as the provisional European Center for Nuclear Research (the acronym CERN derives from this
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 (1959–91), Charpak won the 1992 Nobel Prize in Physics for the invention of particle detectors, particularly the multiwire proportional tracking chamber, which uses tiny wires to measure the electrical impulses of particles produced in collision in particle acceleratorsparticle accelerator,
apparatus used in nuclear physics to produce beams of energetic charged particles and to direct them against various targets. Such machines, popularly called atom smashers, are needed to observe objects as small as the atomic nucleus in studies of its
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. His devices greatly aided scientific experimentation in particle physics.
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