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Geneva atom smasher sets collision record

Mar 30, 2010 11:20:00 AM - thestate.com
The world's largest atom smasher conducted its first experiments at conditions nearing those after the Big Bang, breaking its own record for high-energy collisions with proton beams crashing into each other Tuesday at three times more force than ever before.

In a milestone for the $10 billion Large Hadron Collider's ambitious bid to reveal details about theoretical particles and microforces, scientists at the European Organization for Nuclear Research, or CERN, collided the beams and took measurements at a combined energy level of 7 trillion electron volts.

The collisions herald a new era for researchers working on the machine in a 17-mile (27-kilometer) tunnel below the Swiss-French border at Geneva.

"That's it! They've had a collision," said Oliver Buchmueller from Imperial College in London as people closely watched monitors.

In a control room, scientists erupted with applause when the first successful collisions were confirmed. Their colleagues from around the world were tuning in by remote links to witness the new record, which surpasses the 2.36 TeV CERN recorded last year.