LHC will not restart this week

Engineers and technicians may need to warm up and recool a section of the accelerator before they can introduce particles. The Large Hadron Collider will not restart this week, according to a statement from CERN. Engineers and technicians are investigating an intermittent short circuit to ground in one of the machine’s magnet circuits. They identified the problem during a test run on March 21. It is a well understood issue, but one that could take time to resolve since it is in a cold section ...