Thirty years of mesons
NOV 01, 1966
Mesons have been predicted (in the first place, pi mesons by Yukawa in 1935), misidentified (mu mesons in cosmic rays) and discovered (pi mesons in cosmic rays), or at times discovered and not understood (the K mesons). Although the discovery of more mesons is expected, it seems unlikely that we are about to return to a traditional view of the fundamental particles as “simply” composed.
DOI: 10.1063/1.3047815
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Robert Oppenheimer. Institute for Advanced Study, Princeton.
© 1966 American Institute of Physics
