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  1. The Large Hadron Collider - CERN

    Nov 28, 2010 · The Large Hadron Collider The Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator. It consists of a 27-kilometre ring of superconducting …

  2. Facts and figures about the LHC - CERN

    Facts and figures about the LHC Why is it called the “Large Hadron Collider”? "Large" refers to its size, approximately 27km in circumference "Hadron" because it accelerates protons or ions, …

  3. The Future Circular Collider | CERN

    The Future Circular Collider (FCC) study is developing designs for higher performance particle colliders that could follow on from the Large Hadron Collider (LHC) once it reaches the end of …

  4. About CERN

    What is the LHC? The Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator. It first started up on 10 September 2008, and remains the latest addition to …

  5. Accelerators - CERN

    Future Circular Collider Compact Linear Collider Muon Collider AWAKE Past accelerators Many accelerators developed several decades ago are still in operation. The oldest of these is the …

  6. How an accelerator works - CERN

    The Large Hadron Collider (LHC) accelerates and collides protons, and also heavy lead ions. One might expect the LHC to require a large source of particles, but protons for beams in 27 …

  7. The Super Proton Synchrotron - CERN

    The Super Proton Synchrotron (SPS) is the second-largest machine in CERN’s accelerator complex. Measuring nearly 7 kilometres in circumference, it takes particles from the Proton …

  8. Pulling together: Superconducting electromagnets - CERN

    The Large Hadron Collider (LHC) is currently operating at the energy of 6.5 TeV per beam. At this energy, the trillions of particles circle the collider's 27-kilometre tunnel 11,245 times per …

  9. First-ever collisions of oxygen at the LHC - CERN

    Jul 1, 2025 · LHC Page 1 today at 05:55 am. (Image: CERN) A major event at the Large Hadron Collider (LHC): the accelerator has just collided beams of protons and oxygen ions for the very …

  10. The Safety of the LHC - CERN

    The Large Hadron Collider (LHC) can achieve an energy that no other particle accelerators have reached before, but Nature routinely produces higher energies in cosmic-ray collisions. …