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Incident in LHC sector 34

Geneva, 20 September 2008. During commissioning (without beam) of the final LHC sector (sector 34) at high current for operation at 5 TeV, an incident occurred at mid-day on Friday 19 September resulting in a large helium leak into the tunnel.

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LHC progress report, week 1

Geneva, 18 September 2008. After a spectacular start on 10 September, the LHC enjoyed a mixed first week of commissioning with beam. To get beams around the ring in both directions on the first day exceeded all expectations, and the success continued through the night, with several hundred orbits being achieved. »

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First beam in the LHC - accelerating science

Geneva, 10 September 2008. The first beam in the Large Hadron Collider at CERN was successfully steered around the full 27 kilometres of the world’s most powerful particle accelerator at 10h28 this morning. This historic event marks a key moment in the transition from over two decades of preparation to a new era of scientific discovery.

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» LHC Safety information

CERN reiterates safety of LHC on eve of first beam

Geneva, 5 September 2008. A report published today in the peer reviewed Journal of Physics G: Nuclear and Particle Physics provides comprehensive evidence that safety fears about the Large Hadron Collider (LHC) are unfounded. The LHC is CERN’s new flagship research facility. As the world’s highest energy particle accelerator, it is poised to provide new insights into the mysteries of our universe.

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» LHC Safety information