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Compact Muon Solenoid




The Compact Muon Solenoid ('''CMS''') experiment is a large Particle Physics Detector being ( 2003 ) built on the Proton-proton Large Hadron Collider (LHC) at CERN in Switzerland . Approximately 2300 people from 159 scientific institutes form the collaboration building it. It will be located in an underground chamber at Cessy in France , just across the border from Geneva . The completed detector will be cylindrical, 21 metres long and 16 metres diameter and weigh approximately 12500 tonnes.

The main goals of the experiment are:
  • The discovery of the Higgs Boson

  • To look for evidence of Supersymmetry

  • To be able to study aspects of heavy ion collisions


The name highlights features of the detector:
  • Its relatively small size

  • The powerful solenoid

  • Its optimization for tracking Muon s



Like most particle physics detectors, CMS has a large Solenoid . This allows the charge/mass ratio of particles to be determined from the curved track that they follow in the magnetic field. It is 13 metres long and 6 metres in diameter, and its refrigerated superconducting niobium-titanium coils will produce a 4- Tesla magnetic field.


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