CERN surveyors have developed a procedure based on interferometry to determine the position of cold masses inside the cryostats of the future HL-LHC

The CMS muon system is being upgraded to help track muons with ever-higher precision

A new seismic device developed by CERN and JINR is now being tested at the Advanced Virgo detector

The first definitive component of the High-Luminosity LHC, an absorber designed to protect the machine, has been installed in the LHC

Work for the High-Luminosity LHC is in progress right under our feet

A 1000+ page report quantifies the physics potential of the High-Luminosity Large Hadron Collider

After years of careful preparation, the LHC’s second long shutdown, LS2, is now under way. Over the coming 18 months, the upgrade of the LHC’s injector complex will be the primary focus for technical teams across the Organization

With the LHC switched off for a two-year technical stop, CMS is undergoing significant maintenance and upgrades

Enhancing ATLAS’s detection capabilities in preparation for the LHC restart

Major internal improvements await the ALICE detector during CERN’s Long Shutdown 2 (LS2)

Excavation of the two new shafts for the HL-LHC at points 1 and 5 of the accelerator has been completed