STANFORD LINEAR ACCELERATOR CENTER / SCIENCE PHOTO LIBRARY STANFORD LINEAR ACCELERATOR CENTER / SCIENCE PHOTO LIBRARY
J/psi meson SLAC discoverers. Leaders of one of the teams that discovered the J/psi meson particle in November 1974 at the Stanford Linear Accelerator Center (SLAC), California. Left to right are Martin Perl, Burton Richter and Gerson Goldhaber. They are seen perusing the logbook of their Mark I detector, which operated at the SPEAR electron-positron collider at SLAC. Richter shared the 1976 Nobel Prize in Physics for this work with Sam Ting, leader of the team which discovered the particle at the Brookhaven National Laboratory, Long Island, at the same time. Perl discovered the tau particle in 1975. Richter became director of SLAC in 1984.
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