The Decay of “Mesotrons” (1939–1943), Experimental Particle Physics in the Age of Innocence
An account is given of the experimental work carried out by the author and his associates during the years 1939 through 1943, which produced the first unambiguous evidence of the spontaneous decay of “mesotrons,” showed that this decay occurred according to an exponential law, as expected, and measured the mean life with a 3% accuracy. A by product of this work was a verification of the relativistic equation for the dilation of time intervals.
KeywordsFree Path Spontaneous Decay Unambiguous Evidence Timing Circuit Decay Electron
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