ATLAS: A Toroidal LHC Apparatus
CMS: Compact Muon Solenoid
LHCb: LHC-beauty
ALICE: A Large Ion Collider Experiment
TOTEM: Total Cross Section, Elastic Scattering and Diffraction Dissociation
LHCf: LHC-forward
CERN operates a network of six accelerators and a decelerator. Each machine in the chain increases the energy of particle beams before delivering them to experiments or to the next more powerful accelerator. Currently active machines are:
