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The cryo-assembly containing two MQXFA magnets was delivered to CERN in early December. (Image: CERN) At the beginning of December, CERN received an important shipment. It contained a cryo-assembly of two 4.2-m-long magnets developed by the Accelerator Upgrade Project in the US. These magnets are vital for the high-luminosity upgrade of the LHC (HL-LHC). With coils made from niobium–tin, instead of the niobium–titanium that the LHC currently uses, they will help focus the particle beams to an even smaller spot size at the interaction points of the ATLAS and CMS experiments. This is the fir...

The magnet, named MQXFB03, is 7.2 metres in length. It is the first of ten that will be needed for the HL-LHC. (Image: CERN) The Large Hadron Collider (LHC) needs specific types of magnets to tightly control the beams of particles at its collision points. Called final-focusing quadrupoles, these magnets are installed in the LHC’s interaction regions around the experiments. For the high-luminosity upgrade of the LHC (HL-LHC), the final-focusing magnets at ATLAS and CMS will need replacing. Tests at CERN have now confirmed that the quadrupole magnets newly designed to replace them will work. U...