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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.
Robert Oppenheimer

LET ME OPEN this account by reminding you that by now many mesons have been recognized, ordered and sorted out, their properties in part established, in some limited measure understood.

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Robert Oppenheimer, Institute for Advanced Study, Princeton.

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This Content Appeared In
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Volume 19, Number 11

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