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CERN experiments report new Higgs boson measurements

Geneva, 23 June 2014. In a paper published in the journal Nature Physics today, the CMS experiment at CERN1 reports new results on an important property of the Higgs particle, whose discovery was announced by the ATLAS and CMS experiments on 4 July 2012. The CMS result follows preliminary results from both experiments, which both reported strong evidence for the fermionic decay late in 2013.

CERN announces LHC restart schedule

Geneva, 23 June 2014. The Large Hadron Collider (LHC), the largest and most powerful particle accelerator in the world, has started to get ready for its second three-year run. Cool down of the vast machine has already begun in preparation for research to resume early in 2015 following a long technical stop to prepare the machine for running at almost double the energy of run 1. The last LHC magnet interconnection was closed on 18 June 2014 and one sector of 1/8 of the machine has already been cooled to operating temperature.

CERN announces winners of its first beam line for schools competition

Geneva, 6 June 2014. CERN1 today announced the winners of its first beam line for schools competition. Following almost 300 submissions from school groups around the world, two teams have been selected to come to CERN to carry out their own experiments at a CERN beam line. The winners are the “Odysseus' Comrades” team from Varvakios Pilot School in Athens, Greece and the “Dominicuscollege” team from Dominicus College in Nijmegen, the Netherlands.

CERN’s ALPHA experiment measures charge of antihydrogen

Geneva, 3 June 2014. In a paper published in the journal Nature Communications today, the ALPHA experiment at CERN1's Antiproton Decelerator (AD) reports a measurement of the electric charge of antihydrogen atoms, finding it to be compatible with zero to eight decimal places. Although this result comes as no surprise, since hydrogen atoms are electrically neutral, it is the first time that the charge of an antiatom has been measured to high precision.

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