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VacuumAs the magnets are operated at low temperatures (4.8 kelvin), they require cryostats and insulation vacuum to decrease heat leakage and hence cooling power. The Central Solenoid shares cryostat and insulation vacuum with the liquid argon calorimeter. The Barrel Toroid and the two End-Cap Toroids all have their own cryostat. The insulation vacuum is kept by a common system consisting of many vacuum pumps. |
| ATLAS Magnet Group / Roger Ruber (2002-2007). | ATLAS | CERN |