Update 25.03.21015: CERN announced that the LHC restart was postponed due to a short circuit. Current indications suggest a delay of between a few days and several weeks. Further details are available here.
World’s largest and most powerful particle accelerator, CERN’s Large Hadron Collider (LHC), is gradually restarting after two years of maintenance and upgrades costing €124m. LHC is now ready to explore new realms of particle physics over the next three years at a collision energy of 13 TeV[1], a significant increase over the initial three-year LHC run, which began with a collision energy of 7 TeV, rising to 8 TeV. The first circulating beams of protons in the LHC are planned for the week beginning 23 March, and first 13 TeV collisions are expected in late May to early June.