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First LHC sector reaches 1.9 K

"The first sector of the LHC to be cooled reached its operating temperature of 1.9 K for the first time on 10 April. Although only an eighth of the LHC ring, this sector is already the world's largest superconducting installation. This achievement marks the end of more than two months of commissioning work, which began in January and was carried out in three stages. [...]"

da Cern Courier Maggio