Martin Perl, Nobel Laureate in Physics Exclusive Interview
Martin Perl, Tomorrow 2009
Subatomic Particles Explained In Under 4 Minutes
The Standard Model
Intro to leptons
He is known for his discovery of a subatomic particle that he named the tau, a massive lepton with a negative charge. It is a super heavy cousin of the electron, identical in all respects except that the tau is more than 3 500 times heavier than the electron and survives less than a trillionth of a second, whereas the electron is stable.
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