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LHC experiments present their latest results at Europhysics Conference on High Energy Physics

Geneva, 21 July 2011. The first of the major summer conferences for particle physics opens today in Grenoble. All of the LHC experiments will be presenting results, and a press conference is scheduled for Monday 25 July. The conference follows an extremely successful start to LHC running in 2011, and results are eagerly awaited.

LHC achieves 2011 data milestone

Geneva, 17 June 2011. Today at around 10:50 CEST, the amount of data accumulated by LHC experiments ATLAS and CMS clicked over from 0.999 to 1 inverse femtobarn, signalling an important milestone in the experiments' quest for new physics. The number signifies a quantity physicists call integrated luminosity, which is a measure of the total number of collisions produced. One inverse femtobarn equates to around 70 million million1 collisions, and in 2010 it was the target set for the 2011 run.

CERN experiment traps antimatter atoms for 1000 seconds

Geneva, 5 June 2011. In a paper published online by the journal Nature Physics today, the ALPHA experiment at CERN1 reports that it has succeeded in trapping antimatter atoms for over 16 minutes: long enough to begin to study their properties in detail. ALPHA is part of a broad programme at CERN’s antiproton decelerator (AD)2 investigating the mysteries of one of nature’s most elusive substances.

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