Updates

ATLAS sees first direct evidence of light-by-light scattering at high energy

Geneva, 14 August 2017. Physicists from the ATLAS experiment at CERN have found the first direct evidence of high energy light-by-light scattering, a very rare process in which two photons – particles of light – interact and change direction. The result, published today in Nature Physics, confirms one of the oldest predictions of quantum electrodynamics (QED).

The ALPHA experiment explores the secrets of antimatter

Geneva, 3 August 2017. In a paper published today in Nature, the ALPHA experiment at CERN’s Antiproton Decelerator reports the first observation of the hyperfine structure of antihydrogen, the antimatter counterpart of hydrogen. These findings point the way to ever more detailed analyses of the structure of antihydrogen and could help understand any differences between matter and antimatter.

Slovenia becomes an Associate Member in the pre-stage to Membership at CERN

Today, the Republic of Slovenia becomes an Associate Member in the pre-stage to Membership at CERN. This follows official notification to CERN that the Republic of Slovenia has completed its internal approval procedures as required for the entry into force of the Agreement, signed in December 2016, granting that status to the country.

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