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jan 1, 1937 - Pion (pi meson)

Description:

(or pi meson) discovered by C. F. Powell's group, including César Lattes(first author) and Giuseppe Occhialini (predicted by Hideki Yukawa in 1935)

Added to timeline:

27 Nov 2017
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Date:

jan 1, 1937
Now
~ 88 years ago