Tag: Detector

  • Load Testing over 365 Tonnes on ‘Spindles’ in Preparation for Hi-Lumi CMS

    Load Testing over 365 Tonnes on ‘Spindles’ in Preparation for Hi-Lumi CMS

    CMS successfully carried out key tests for the lifting system needed in the construction of Hi Lumi CMS during the end of year stop 2025/2026. Four thin legs emerge from the floor of the CMS cavern to lift incredibly heavy parts of the CMS detector.

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  • The supporting structure of the new CMS HGCAL detector has arrived at CERN for assembly

    The supporting structure of the new CMS HGCAL detector has arrived at CERN for assembly

    After an eight-week journey, the first HGCAL absorber structure (CE-H1) was delivered to CERN and is ready to be assembled, just 100 metres above where the detector will eventually be located.

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  • CMS’ High Luminosity tracker chip is ready! 

    CMS’ High Luminosity tracker chip is ready! 

    The first wafers of the CMS Read Out Chip (CROC) for the High Luminosity Pixel detector have been produced and tested, marking a major milestone for the next generation CMS Tracker.

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  • Blazing trails: CMS Cavern evacuation paves the way for future safety design.

    Blazing trails: CMS Cavern evacuation paves the way for future safety design.

    How an evacuation of the CMS experimental cavern has provided invaluable human behaviour data to improve the emergency preparedness for complex underground facilities.

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  • New Forward Shielding Installed

    New Forward Shielding Installed

    In the same way that loud background noise does not allow us to listen to a conversation or appreciate a piece of music, so too the CMS detector needs a quiet environment to optimize data taking and analysis.

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  • Waking up the CMS detector – Part 2

    Waking up the CMS detector – Part 2

    In this short series, we look at the different types of tests and steps needed for CMS to run at the precision the experiment requires.

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  • Waking up the CMS detector – Part 1

    Waking up the CMS detector – Part 1

    It is compelling to picture large physics labs with lots of sparks and heavy levers that wake up big, important experiments with sparks and loud bangs.

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  • CMS technology used to develop a new portable muon telescope

    CMS technology used to develop a new portable muon telescope

    Suppose that you need to see what is inside a small room that is difficult to access.

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  • CMS enters a busy period of detector upgrades

    CMS enters a busy period of detector upgrades

    A successful four years of CMS detector operation came to an end last week and now we are beginning a new chapter.

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  • ZOOOM: CMS visualised in 3D

    ZOOOM: CMS visualised in 3D

    Visitors to P5 now have a series of seven posters of beautiful 3D drawings of the CMS detector to look at before they go underground to the CMS cavern.

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