Pions are excellent probes of the structure of the nucleus and are useful in a variety of particle physics experiments of fundamental significance. For the past 15 years, physicists have been producing copious beams of these mesons by directing intense proton beams into targets. Three “meson factories” are now in operation: TRIUMF, in Vancouver, British Columbia; SIN, in Villigen, Switzerland; and LAMPF, in Los Alamos, New Mexico. A fourth is under construction in the Soviet Union, at Troitsk, south of Moscow. This article surveys the scientific achievements that have come out of pion experiments at the meson factories since they came into operation and explains how the availability of pions has caused medium‐energy physics to burgeon.
Pion Physics at the Meson Factories
Darragh E. Nagle, Mikkel B. Johnson, David F. Measday; Pion Physics at the Meson Factories. Physics Today 1 April 1987; 40 (4): 56–64. https://doi.org/10.1063/1.881106
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