The first definitive component of the High-Luminosity LHC, an absorber designed to protect the machine, has been installed in the LHC, CERN Updates.
Installing high luminosity in the tunnel
Installing high luminosity in the tunnel
Installing high luminosity in the tunnel

The TANB absorber was installed in the LHC tunnel to protect the accelerator components from particles produced by collisions occurring in the LHCb experiment. (Image: Maximilien Brice/CERN).