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SL✨ Happy tau day, dedicated to the mathematical constant tau! Here at SLAC, we like to celebrate a different flavor of tau:
Tau be or not tau be? That was SLAC physicist Martin Perl’s question.
In 1975, he discovered the tau lepton, a heavier cousin of the electron, using the Stanford Positron-Electron Asymmetric Rings (SPEAR) collider.
This discovery, which earned Perl the 1995 Nobel Prize in Physics, paved the way for the identification of two more quarks and a neutrino, completing the third generation of subatomic particles.
Dive into the fascinating world of subatomic particles with us with this video about SLAC’s early history!
#tauDay #Physics #ParticlePhysics #SLAC #ScientificDiscovery
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