Beams of protons have started circulating...

Dr. Alexei Ferapontov said LHC detectors had started to pinpoint traces of collisions between particles in the beams and equipment, showing that they are in good working order.

In the next few days, the two beams will be brought together to stage small collisions and lay the groundwork for high-energy collisions for new physics that are expected to take place in January.

On Friday, the first circulating beam of protons successfully made it through the LHC"s entirety, the European Organization for Nuclear Research (CERN) said.

Experiments using the LHC were suspended last September shortly after a successful start, due to a malfunction of two superconducting magnets and a subsequent helium leak into the tunnel housing the device.

The collider, located 100 meters under the French-Swiss border with a circumference of 27 km, enables scientists to shoot subatomic particles round an accelerator ring at almost the speed of light, channeled by powerful fields

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