Projets et Travaux

  • 21 January: Closure of Route de Meyrin from 9.00 am to 12.00 pm

    21 January: Closure of Route de Meyrin from 9.00 am to 12.00 pm

    Route de Meyrin will be closed on Tuesday 21 January from 9.00 am to 12.00 pm from the Route de l’Europe roundabout to Entrance B. Due to an exceptional convoy, Route de Meyrin will be closed on Tuesday 21 January from 9.00 am to 12.00 pm from the Route de l’Europe roundabout to Entrance B.…

  • The High-Luminosity LHC (HL-LHC)

    The High-Luminosity LHC project will allow the LHC to be exploited to its full potential. CERN’s Large Hadron Collider (LHC) is the world’s largest and most powerful particle accelerator. It has been operating successfully since 2008. The data collected from the LHC allowed the ATLAS and CMS experiments to discover the Higgs boson after decades…

  • Water release retention and regulation basin at CERN

    Water release retention and regulation basin at CERN

    Building of a water release retention and regulation basin on the Prévessin site The basin project is one of the important steps being taken by CERN to improve its responsible management of water release, notably for the protection of the Lion river. Following discussions with internal and external stakeholders during tripartite meetings between France, Switzerland…

  • Science Gateway borehole strikes underground gas pocket

    Science Gateway borehole strikes underground gas pocket

    If you passed CERN’s Entrance A during the hours of darkness over the last few days, you might have noticed a flare as engineers burned off an underground pocket of gas. During the drilling of the first geothermal borehole for Science Gateway next to CERN’s Entrance A, gas was detected at a depth of 200…

  • The Future Circular Collider (FCC) study – measurement campaign

    The Future Circular Collider (FCC) study – measurement campaign

    Une campagne de mesures dans notre région In accordance with one of the recommendations of the 2020 update of the European Strategy for Particle Physics, CERN’s Member States have entrusted the Organization with the task of studying the feasibility of the Future Circular Collider (FCC), a next-generation particle collider that would succeed the LHC when…

  • Underground electrical connection between LHC Points 6 (Versonnex) and 5 (Cessy)

    Underground electrical connection between LHC Points 6 (Versonnex) and 5 (Cessy)

    In preparation for the High-Luminosity LHC, CERN will construct an underground electrical connection between LHC Points 6 (Versonnex) and 5 (Cessy) in 2024 In preparation for the High-Luminosity LHC, CERN will construct an underground electrical connection between LHC Points 6 (Versonnex) and 5 (Cessy) in 2024 The work will begin in early 2024 and is…

  • Future Circular Collider (FCC): geological studies are now under way

    Future Circular Collider (FCC): geological studies are now under way

    As part of the Feasibility Study for the Future Circular Collider (FCC) project, geological field studies are now under way to determine the nature of the subsoils and to better understand the stability of the soils. This is a crucial step as, if the project comes to fruition, it is planned to locate the collider…

  • Investigating beneath Lake Geneva

    Investigating beneath Lake Geneva

    This animation shows how different layers of the lake’s bed are being mapped as part of the Future Circular Collider (FCC) Feasibility Study BROKEN IMAGE NOT MOVED (drupal url : https://voisins.cern/en/exploration-du-sous-sol-du-lac-leman) As part of the Future Circular Collider (FCC) Feasibility Study, Lake Geneva underwater investigations have now begun. Taking place in 2025 and 2026, these…