Browse Items (1 total) Description is exactly "Scroll-mounted chart graphing the energies explored during Burton Richter and Group C's discovery of the psi particle. Dimensions are 26.5 inches L x 16.75 inches W x 4.75 inches H" Browse All Search Items Sort by: Title Creator Date Added 1991-019 Group C Psi Particle Discovery Chart Scroll-mounted chart graphing the energies explored during Burton Richter and Group C's discovery of the psi particle. Dimensions are 26.5 inches L x 16.75 inches W x 4.75 inches H Featured Item 2000-072 World Wide Web at SLAC, 1991-2000 (Special Collection) Papers, presentations, correspondence, etc. relating to the creation of SLAC's World Wide Web site, the first WWW site in the US. Includes SLAC…