#particle_accelerator__accelerator__atom_smasher  a scientific instrument that increases the kinetic energy of charged particles
  supertype:  scientific_instrument  an instrument used by scientists
  subtype:  betatron  charge-exchange_accelerator  Cockcroft_and_Walton_accelerator  collider  cyclotron  linear_accelerator
  part:  storage_ring__storagering  container consisting of a set of magnets set in a doughnut-shaped ring around which charged particles from an accelerator can be kept circulating until they are used

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