Watch a timelapse of the unboxing of the first of ten cryo-assemblies from the US to be installed in the HL-LHC interaction regions

From high above to far below, journey through the CERN highlights of 2023

Engineers have successfully tested an improved design of a quadrupole magnet manufactured at CERN, confirming that niobium–tin technology is viable for accelerator magnets

The D2 prototype magnet, developed and manufactured in Italy, has been integrated and tested in the longest HL-LHC cold mass with corrector magnets from China and CERN

The many CERN-developed sensors and software programs of the FRAS (Full Remote Alignment System) have been successfully tested on a prototype magnet in preparation for the HL-LHC

The ATLAS and CMS collaborations have joined forces to establish the first evidence of the rare decay of the Higgs boson into a Z boson and a photon

The successful replacement of a coil in an HL-LHC niobium–tin quadrupole magnet by the US Accelerator Upgrade Project team has showcased this crucial technology’s flexibility and cost-effectiveness

Following the installation of kicker magnets that are more heat resistant and their successful tests during the SPS scrubbing run, the SPS is getting ready for High-Luminosity LHC operation.

A High-Luminosity LHC instrument known as the Beam Gas Curtain will be tested and start collecting data during Run 3

A second 7.2-metre-long HL-LHC triplet quadrupole has reached the currents needed for 7 TeV operation, with higher performances

A flexible cryostat and the first series of high-temperature superconducting magnesium diboride cables will form an innovative electrical transfer line to power the HL-LHC inner triplet magnets

The first Chamonix workshop, dedicated to LEP performance, took place in 1991 – we’ve come a long way since then!