CBA, A PROTON-PROTON COLLIDING BEAM ACCELERATOR TO STUDY THE BASIC STRUCTURE OF ENERGY AND MATTER, IS BEING BUILT ON THE NORTHWEST QUADRANT OF THE 5,250 ACRE BROOKHAVEN SITE. THE FACILITY ITSELF IS AN UNDERGROUND CIRCULAR TUNNEL, WHICH IS 3.8 KILOMETERS IN CIRCUMFERENCE. TWO RINGS OF SUPERCONDUCTING MAGNETS WILL BE INSIDE THE TUNNEL. PROTON BEAMS WILL BE INJECTED INTO THE TUNNEL AND ACCELERATED TO ENERGIES UP TO 400 GEV. AT SIX PLACES ALONG THE TUNNEL, THE BEAMS WILL COLLIDE. EXPERI- MENTAL HALLS, WHICH ENCLOSE THESE SIX INTERSECTIONS, WILL HOUSE EQUIPMENT FOR STUDYING THE RESULTS OF THE COLLISIONS.
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June 3, 2014
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