Glashow, Sheldon Lee


Glashow, Sheldon Lee
born Dec. 5, 1932, New York, N.Y., U.S.

U.S. theoretical physicist.

He joined the faculty at Harvard University in 1967. With Steven Weinberg (b. 1933) and Abdus Salam (1926–1996), he received a 1979 Nobel Prize for formulation of the electroweak theory, unifying electromagnetism and the weak force. In extending the early, limited theory of Weinberg and Salam to include more classes of elementary particles, he had to invent an important new property (charm) for quarks.

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▪ American physicist
born Dec. 5, 1932, New York, N.Y., U.S.

      American theoretical physicist who, with Steven Weinberg (Weinberg, Steven) and Abdus Salam (Salam, Abdus), received the Nobel Prize for Physics in 1979 for their complementary efforts in formulating the electroweak theory, which explains the unity of electromagnetism and the weak force.

      Glashow was the son of Jewish immigrants from Russia. He and Weinberg were members of the same classes at the Bronx High School of Science, New York City (1950), and Cornell University (1954). Glashow received his Ph.D. in physics from Harvard University in 1959. He joined the faculty of the University of California at Berkeley in 1961 and returned to Harvard as a professor of physics in 1967.

      In the 1960s Weinberg and Salam had each independently devised a theory by which the weak nuclear force and the electromagnetic force could be conceived as manifestations of a single unified force called the electroweak force. Their theory could be applied only to leptons, however, a class of particles that includes electrons and neutrinos. Glashow found a way to extend their theory to other classes of elementary particles, notably baryons (e.g., protons and neutrons) and mesons. In doing so, Glashow had to invent a new property for quarks (quark), which are the fundamental particles that constitute baryons and mesons. This new property, which Glashow called “charm,” provided a valuable extension of the theory of quarks.

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Universalium. 2010.

Look at other dictionaries:

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  • Glashow, Sheldon — Sheldon Glashow Sheldon Glashow à l Université Harvard Pr. Sheldon Lee Glashow, Ph. D., Hon. D. Sc. (né le 5 décembre 1932, New York) est un physicien américain, reconnu principalement pour ses importantes contributions à la théorie de l… …   Wikipédia en Français

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