LHC ends second season of data-taking

During the last four years, LHC scientists have filled in gaps in our knowledge and tested the boundaries of the Standard Model. Today operators at the Large Hadron Collider, the world's most powerful particle accelerator at the European Organization for Nuclear Research, or CERN, guided this year's last beam of particles out of circulation. Thus ends the LHC's second run and begins its second long shutdown, a chance to conduct maintenance and consolidation activities on the machine and its dete...