Press releases

CERN announces winners of its 2016 beamline for schools competition

Geneva, 13 June 2016. CERN1 today announced the winners of its 2016 Beamline for Schools competition. Two teams of high-school students, “Pyramid hunters” from Poland and “Relatively Special” from the United Kingdom, have been selected to travel to CERN in September to carry out their own experiments using a CERN accelerator beam. The winners were selected from a total of 151 teams from 37 countries around the world, adding up to more than 1250 high-school students.

CERN experiment points to a cloudier pre-industrial climate

Geneva, 26 May 2016. In two papers1,2 published today in the journal Nature, new results from the CLOUD3 experiment at CERN4 imply the baseline pristine pre-industrial climate may have been cloudier than presently thought. CLOUD shows that organic vapours emitted by trees produce abundant aerosol particles in the atmosphere in the absence of sulphuric acid. Previously it was thought that sulphuric acid – which largely arises from fossil fuels – was essential to initiate aerosol particle formation.

The 2016 physics season starts at the LHC

Geneva, 9 May 2016. CERN1's Large Hadron Collider (LHC) and its experiments are back in action, now taking physics data for 2016 that will give us an improved understanding of fundamental physics.

On 25 March, the most powerful collider in the world was switched back on after its annual winter break. The accelerator complex and experiments have been fine-tuned using low-intensity beams and pilot proton collisions, and now the LHC and the experiments are ready to take an abundance of data.

CERN Director-General Rolf Heuer passes the baton to Fabiola Gianotti

Geneva, 18 December 2015. The 178th session of the CERN Council today saw the handover ceremony from Rolf Heuer, CERN1’s Director-General for the past seven years, to Fabiola Gianotti, who will take up her functions at the head of the Organization on 1 January 2016. On the same day, Sijbrand de Jong will become the new CERN Council President, taking over from Agnieszka Zalewska at the end of her three-year term.

The LHC collides ions at new record energy

Geneva, 25 November 2015. After the successful restart of the Large Hadron Collider and its first months of data taking with proton collisions at a new energy frontier, the LHC is moving to a new phase, with the first lead-ion collisions of season 2 at an energy about twice as high as that of any previous collider experiment. Following a period of intense activity to re-configure the LHC and its chain of accelerators for heavy ion beams, CERN1’s accelerator specialists put the beams into collision for the first time in the early morning of 17 November 2015 and ‘stable beams’ were declared at 10.59am today, marking the start of a one-month run with positively charged lead ions: lead atoms stripped of electrons. The four large LHC experiments will all take data over this campaign, including LHCb, which will record this kind of collision for the first time. Colliding lead ions allows the LHC experiments to study a state of matter that existed shortly after the big bang, reaching a temperature of several trillion degrees.


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