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Pauli, Wolfgang
(Encyclopedia)Pauli, Wolfgang vôlfˈgäng pouˈlē [key], 1900–1958, Austro-American physicist, b. Vienna. He studied first with A. Sommerfeld at Munich and then with Niels Bohr at Copenhagen. After lecturing (1...lepton
(Encyclopedia)lepton lĕpˈtŏnˌ [key] [Gr.,=light (i.e., lightweight)], class of elementary particles that includes the electron and its antiparticle, the muon and its antiparticle, the tau and its antiparticle, ...beta particle
(Encyclopedia)beta particle, one of the three types of radiation resulting from natural radioactivity. Beta radiation (or beta rays) was identified and named by E. Rutherford, who found that it consists of high-spe...Elementary Particles (table)
(Encyclopedia)Elementary Particles Leptons Quarks1 Gauge Bosons Some Sample Hadrons For each of these particles, except the photon, gluon, and Z-boson, there is an antiparticle with the same mass and op...electron
(Encyclopedia)electron, elementary particle carrying a unit charge of negative electricity. Ordinary electric current is the flow of electrons through a wire conductor (see electricity). The electron is one of the ...pion
(Encyclopedia)pion pīˈŏn [key] or pi meson, lightest of the meson family of elementary particles. The existence of the pion was predicted in 1935 by Hideki Yukawa, who theorized that it was responsible for the f...muon
(Encyclopedia)muon myo͞oˈŏn [key], elementary particle heavier than an electron but lighter than other particles having nonzero rest mass. The name muon is derived from mu meson, the former name of the particle....Barish, Barry Clark
(Encyclopedia)Barish, Barry Clark, 1936–, American experimental physicist, b. Omaha, Nebr. Ph.D. Univ. of California, Berkeley, 1962. Barish has been a professor (emeritus from 2005) at the California Institute o...dark matter
(Encyclopedia)dark matter, material that is believed to make up nearly 27% of the mass of the universe but is not readily visible because it neither emits nor reflects electromagnetic radiation, such as light or ra...Fermi, Enrico
(Encyclopedia)Fermi, Enrico ĕnrēˈkō fĕrˈmē [key], 1901–54, American physicist, b. Italy. He studied at Pisa, Göttingen, and Leiden, and taught physics at the universities of Florence and Rome. He contribu...Browse by Subject
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