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  1. home.cernHome | CERN

    CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what the Universe is made of and how it works.

    • CERN Community

      The European Strategy for Particle Physics, CERN’s...

    • News

      CERN, the European Organization for Nuclear Research, is one...

    • Events

      CERN, the European Organization for Nuclear Research, is one...

    • Visits

      The CERN Science Gateway project is made possible thanks to...

    • About

      Physicists and engineers at CERN use the world's largest and...

    • Experiments

      Several collaborations run experiments using the Large...

    • Our History

      CERN's origins can be traced to the 1940s. A small number of...

    • What We Do

      CERN's main focus is particle physics – the study of the...

  2. en.wikipedia.org › wiki › CERNCERN - Wikipedia

    The European Organization for Nuclear Research, known as CERN (/ s ɜːr n /; French pronunciation:; Conseil européen pour la Recherche nucléaire), is an intergovernmental organization that operates the largest particle physics laboratory in the world.

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  4. home.cern › science › acceleratorsThe Large Hadron Collider | CERN

    • Overview
    • Mechanism
    • Operation

    The Large Hadron Collider (LHC) is the worlds largest and most powerful particle accelerator. It first started up on 10 September 2008, and remains the latest addition to CERNs accelerator complex. The LHC consists of a 27-kilometre ring of superconducting magnets with a number of accelerating structures to boost the energy of the particles along t...

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    Thousands of magnets of different varieties and sizes are used to direct the beams around the accelerator. These include 1232 dipole magnets 15 metres in length which bend the beams, and 392 quadrupole magnets, each 57 metres long, which focus the beams. Just prior to collision, another type of magnet is used to \"squeeze\" the particles closer tog...

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    All the controls for the accelerator, its services and technical infrastructure are housed under one roof at the CERN Control Centre. From here, the beams inside the LHC are made to collide at four locations around the accelerator ring, corresponding to the positions of four particle detectors ATLAS, CMS, ALICE and LHCb.

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  5. home.cern › welcomeWelcome | CERN

    At CERN, we probe the fundamental structure of particles that make up everything around us. We do so using the world's largest and most complex scientific instruments. Know more

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    • Yearning for New Physics at CERN, in a Post-Higgs Way - The New York Times
    • CERN begins planning successor to its atom smasher
    • U.S. scientists celebrate the restart of the Large Hadron Collider | News
    • CERN Discovers A New Particle, Likely The Higgs Boson : The Two-Way : NPR

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  7. home.web.cern.ch › about › who-we-areWho we are | CERN

    CERN. At CERN, we probe the fundamental structure of particles that make up everything around us. We do so using the world's largest and most complex scientific instruments. Know more

  8. visit.cernWelcome | Visit CERN Science Gateway

    The CERN Science Gateway project is made possible thanks to the generous support of its donors. Click below to discover them all.

  9. home.web.cern.ch › scienceScience | CERN

    CERN. At CERN, we probe the fundamental structure of particles that make up everything around us. We do so using the world's largest and most complex scientific instruments. Know more