This Collider Is Kept Cold

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This Collider Is Kept Cold
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The refrigeration system at the Relativistic Heavy Ion Collider (RHIC) is humming to life today, beginning cool-down of the magnets in the 2.4-mile-circumference accelerator ring at Brookhaven Lab. Temperatures inside the magnets will ultimately reach a frigid four degrees Kelvin (-452 degrees Fahrenheit) as Run 13 at RHIC gets underway.