Ker Than
National Geographic News
September 24, 2008

Full-power operation of the Large Hadron Collider (LHC) won’t happen until early spring 2009, after an electrical glitch sparked a large helium leak inside the machine’s tunnels.

Although repairs should take just about two months, the collider needs to be shut down in the winter to save costs. Officials with the European Organization for Nuclear Research (CERN) therefore decided not to restart the particle accelerator until next year.

“Coming immediately after the very successful start of LHC operation on 10 September, this is undoubtedly a psychological blow,” CERN Director General Robert Aymar said in a press release.

“Nevertheless, the success of the LHC’s first operation with beam is testimony to years of painstaking preparation and the skill of the teams involved in building and running CERN’s accelerator complex.

“I have no doubt that we will overcome this setback with the same degree of rigor and application.”

“Last Hurdle”

Twenty years in the making, the world’s largest atom smasher, built near Geneva, Switzerland, was designed to investigate dark matter, the big bang, and other mysteries of the early universe. (Interactive: understanding the God particle.)

Operators hurled the first beam of low-energy particles through the collider’s 17-mile (27-kilometer) underground track just over a week ago.

The successful test had officials hopeful that they could start smashing opposing beams of particles together in as little as two week’s time.


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