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LHC – Large Hadron Collider – What is it and how does CERN’s accelerator work?

LHC is the biggest particles accelerator ever realized, and it is the real Geneva’s CERNs “engine”, the world’s most important particle physics lab.


The accelerator, situated 150 m under ground level, has a 27 m circumference and produces collisions at the highest energy magnitudes ever reached in a lab and thanks to four particle detectors – ALICE, ATLAS, CMS and LHCb – it is now possible to see such collisions and explore the unknown sides of the matter, of the energy, of space and time.


Engineer Luca Bottura and INFN Research Director Marcella Diemoz tell us what this “big apparatus” is and how it works.

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