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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 magnets with …

  2. CERN releases report on the feasibility of a possible Future Circular ...

    Mar 31, 2025 · After several years of intense work, CERN and international partners have completed a study to assess the feasibility of a possible Future Circular Collider (FCC). Reflecting the expertise of …

  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 its High …

  4. 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, which belong …

  5. ATLAS - CERN

    ATLAS is one of two general-purpose detectors at the Large Hadron Collider (LHC). It investigates a wide range of physics, from the Higgs boson to extra dimensions and particles that could make up …

  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-kilometre ring …

  7. Future Circular Collider - CERN

    Oct 16, 2025 · Future Circular Collider The Future Circular Collider (FCC) is an international design study with emphasis on a hadron collider with a centre-of-mass energy of the order of 100 TeV in a …

  8. Accelerators - CERN

    Muon Collider AWAKE Past accelerators Many accelerators developed several decades ago are still in operation. The oldest of these is the Proton Synchrotron (PS), commissioned in 1959. Others have …

  9. The Large Electron-Positron Collider - CERN

    The Large Electron-Positron Collider LEP – the largest electron-positron accelerator ever built – was dismantled in 2000. Its 27-kilometre tunnel now hosts the LHC With its 27-kilometre circumference, …

  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. Concerns …