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flag Two German-built cryogenic units installed at CERN mark a key step in upgrading the LHC for higher particle collision rates.

flag Two large cryogenic cold boxes, built in Germany by Linde, have been successfully installed underground at CERN’s HiLumi LHC near the ATLAS and CMS experiments. flag They are part of a new system to cool upgraded magnets to -271.3°C (1.9 kelvins), just above absolute zero, using pre-cooling to -268.6°C (4.5 kelvins) followed by pressure reduction and integrated compressors. flag The first phase of underground cryogenic line installation is complete, marking a key milestone in the upgrade aimed at boosting the LHC’s luminosity and advancing particle physics research.

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