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September 20, 2008

Start-Up of European Collider Will Be Delayed 2 Months

Research at the Large Hadron Collider, a vast particle-physics project in Europe that scientists hope will answer fundamental questions about the universe, will be delayed at least two months after an accident during start-up procedures this week that resulted in a large leak of helium, according to a statement released today by the European Center for Nuclear Research, or CERN, which is operating the experiment.

No one was injured in the incident, but the statement said an electrical connection between two magnets was likely to have melted. That failure allowed helium to leak into a race-track-like tunnel in which protons will be accelerated to high speeds and then crashed into one another. Physicists, including some working from the United States, hope the resulting shower of particles will help answer complex questions involving extra dimensions, unseen “dark” matter, and how particles obtain their mass, among other things.

Keeping the magnets chilled with helium to just above absolute zero is key to the operation of the collider. The helium leak means that a part of the tunnel will need to be warmed up in order to make repairs, then cooled down once again. —Andrew Mytelka

Posted on Saturday September 20, 2008 | Permalink |

Comments

  1. Proof positive, as if it were needed, that scientists don’t think they’re God.

    And by the way, according to Genesis at least, it was six days. He rested on the seventh, per Gen. 2:2.

    — Dan    Sep 22, 08:42 AM    #

  2. Few details in the report. Anybody know if the helium leaked during the test was lost or recovered? Seems I read somewhere earlier that the proven reserves of helium are getting very low. Something like LHC must use a sizable amount of helium.

    — CitizenShip    Sep 23, 05:20 PM    #