Category: HL-LHC News
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All Q2 cryo-assemblies required for the tunnel validated
On Tuesday 1st September, the cold powering test of the eighth and final Q2 cryo-assembly required for HiLumi LHC installation – containing the MQXFB11 (CERN-made quadrupole) and MCBXFB09 (CIEMAT-made corrector) magnets – was completed, including the final 100 K high-voltage test.
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5-minute race with 450 °C titanium: shrink fitting trial of CFC plates for HiLumi LHC beam dumps
The successful shrink-fitting trial of the carbon-fibre-reinforced carbon (CFC) plates into the titanium vessel marked the final crucial milestone in the validation of the assembly process for the High-Luminosity (HiLumi) LHC beam dumps.
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High-Luminosity LHC: progress and lessons from the past year
CERN’s next accelerator, the High-Luminosity LHC, aims to increase the integrated luminosity tenfold beyond the design value of the LHC. As the start of CERN’s Long Shutdown 3 approaches, when major de-installation and installation works for the upgrade will take place, the project is entering a vital new phase.
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IT strings enters powering phase
With the start of electrical powering, the Inner Triplet String is now entering a new phase of commissioning. This phase will be carried out progressively and will culminate in the powering of the whole installation this summer.
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Beam gas curtain monitor becomes an operational instrument for CERN’s Large Hadron Collider | Accelerating News
Following a positive evaluation during a review of transverse beam profile monitoring for the HiLumi LHC in September 2025, in February 2026 the BGC monitor was approved as an important addition to the beam instrumentation baseline for the HiLumi era.
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A year of works in the HiLumi LHC underground and surface buildings
2025 was once again an important and strategic year for the High-Luminosity LHC (HiLumi LHC) Project as a whole, including for Work Package 17 (WP17), responsible of infrastructure, logistics and civil engineering.
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High-intensity beam test in preparation for CERN’s upcoming HL-LHC era
A dedicated high-intensity beam test is planned for the end of the 2026 run, with preparatory experimental work having already taken place in 2025.
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Cryogenics equipment arrives in the HiLumi underground | home.cern
Cryogenics equipment arrives in the HiLumi underground | home.cern By Corinne Pralavorio / CERN Two enormous cold boxes have been transported down into the HiLumi LHC underground.
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First phase of installation complete for the new HiLumi LHC Cryogenic Distribution Line
The first phase of the installation of the new HiLumi LHC Cryogenic Distribution Line (QXL) in the underground galleries at Point 1 was completed at the beginning of February.
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Robotic test installation in the ATLAS cavern of HiLumi LHC vacuum module
A remote-handling test of the VAX M1 vacuum module has been successfully carried out in the ATLAS cavern using the CRANEbot robotic system, developed at CERN.