Time for lead collisions at LHC

The lead ion run is under way. On 8 November at 21:19, the four experiments at the Large Hadron Collider – ALICE, ATLAS, CMS and LHCb – recorded their first collisions of lead nuclei since 2015. For three weeks and a half, the world’s biggest accelerator will collide these nuclei …

https://home.cern/news/news/accelerators/time-lead-collisions-lhc