Time Dilation: An Experiment with Mu-Mesons (1962)
Experimental Physicists
35:54·2016·undergraduate level·Public Colloquium
This historical documentary presents the foundational 1962 experiment by Frisch and Smith, which provided direct empirical evidence for relativistic time dilation through the extended lifespan of cosmic-ray muons. It details the experimental setup and theoretical implications confirming Einstein's special relativity.
When discussing special relativity, the time dilation of mu-mesons is one of the most cited examples of experimental evidence in support of Einstein's theory. In this short documentary experimental physicists David Frisch and James Smith take the viewer through the basic theory and experiment involved in testing and confirming the extended lifespan of mu-mesons.
PDF of the original paper -
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