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QCD Made Simple
Figure 5 One of the first collisions between high-energy gold nuclei at Brookhaven's new Relativistic Heavy Ion Collider was recorded by the Star detector facility in June. In this reconstructed side view of the detector, the two 28 GeV-per-nucleon beams of gold nuclei enter from left and right, and collide at the center. About a thousand charged tracks were recorded emanating from this one collision. Significantly higher multiplicities are expected as RHIC works up to its design beam energy of 100 GeV-per-nucleon.
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