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  1. The Large Hadron Collider | CERN

    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 …

  2. 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 …

  3. 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 …

  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, …

  5. Muon Collider - CERN

    A muon collider could be a possible post- High Luminosity LHC machine, to explore high-energy physics frontiers with a relatively small environmental footprint. A circular particle accelerator …

  6. 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. …

  7. CMS - CERN

    The Compact Muon Solenoid (CMS) is a general-purpose detector at the Large Hadron Collider (LHC). It has a broad physics programme ranging from studying the Standard Model (including …

  8. Updated schedule for CERN’s accelerators

    Oct 4, 2024 · In the September CERN Council Session, we presented a revised schedule for Long Shutdown 3 (LS3) of the Large Hadron Collider (LHC) and its injector complex. This new …

  9. 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). …

  10. The Higgs boson - CERN

    In our current description of Nature, every particle is a wave in a field. The most familiar example of this is light: light is simultaneously a wave in the electromagnetic field and a stream of …