The Compact Muon Solenoid (CMS) is a general-purpose detector at the Large Hadron Collider (LHC). It has a broad physics programme ranging from studying the Standard Model (including the Higgs boson) to searching for extra dimensions and particles that could make up dark matter. Although it has the same scientific goals as the ATLAS experiment, it uses different technical solutions and a different magnet-system design.
The CMS detector is built around a huge solenoid magnet. This takes the form of a cylindrical coil of superconducting cable that generates a field of 4 tesla, about 100,000 times the magnetic field of the Earth. The field is confined by a steel “yoke” that forms the bulk of the detector’s 14,000-tonne weight.
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Due to strong magnetic fields this visit is not accessible to wearer of pacemakers. The visit includes taking a lift 100 metres underground. Note that this underground visit DOES NOT include seeing the actual detector.
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Description is given for information only and, as a result, imply no commitment from CERN Visits Service that they will be included in a visit programme. Any visit programme, even confirmed, is subject to last-minute changes due to operational or safety reasons.