Point 3 of the LHC in Crozet is where the beam is monitored. Any particles that stray from the ideal beam trajectory are absorbed by devices known as collimators – veritable beam-cleaning machines.
Plateformes Passeport Big Bang à proximité (en libre accès)
ALICE Stage: In ALICE's wonderland (4 km)
More information on http://cern.ch/passeport-big-bang
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