Source: CNN.com
A 30-ton transformer that cools the world’s largest particle collider malfunctioned, forcing physicists to stop using the atom smasher just a day after launching it to great fanfare, the European Organization for Nuclear Research said Thursday.
The faulty transformer has been replaced and the ring in the 17-mile circular tunnel under the Swiss-French border has been cooled back down to near absolute zero — or minus 459.67 degrees Fahrenheit — the most efficient operating temperature, said a statement by CERN, as the organization is known.
When the transformer malfunctioned, operating temperatures rose from below 2 Kelvin to 4.5 Kelvin — extraordinarily cold by most standards, but warmer than the normal operating temperature.
The Large Hadron Collider was launched September 10, when scientists circled a beam of protons in a clockwise direction at the speed of light. That was followed by a counterclockwise beam.
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