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    Real-Time Data Quality Monitoring System for the CMS Muon GEM Detector at the LHC

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    KING-DOCUMENT-2017.pdf (39.88Mb)
    Author
    King, Robert David
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    Abstract
    The new operational conditions associated with the high luminosity upgrade of the Large Hadron Collider (LHC) at CERN requires an upgrade of the muon system in the forward region of the Compact Muon Solenoid (CMS) detector. The upgrade will allow the detector to record and handle a higher rate of particles. A major element of this upgrade is the implementation of new gas electron multiplier (GEM) detectors in the pseudorapidity region 1.6 < eta < 2.4, where the background particle rates are highest. These detectors will add redundancy to the existing muon system in this region, and improve performance by allowing more intelligent triggering algorithms to reduce the trigger rate. The data acquisition electronics on these detectors must be thoroughly tested to verify that the data produced by the detector is valid, and that there are no hardware or firmware problems before the GEMs are installed underground in CMS. Once installed, the system must also be monitored to verify that no problems arise during normal data-taking operations. I discuss the software being developed to read out and process the data produced by the detectors, and the methods used to identify hardware and firmware problems using this information in real time.
    URI
    http://hdl.handle.net/1969.1/164503
    Subject
    CERN
    LHC
    CMS
    GEM
    DAQ
    DQM
    Muon
    Compact
    Muon
    Solenoid
    Data
    Acquisition
    Real
    Time
    Quality
    Monitoring
    Gas
    Electron
    Multiplier
    Collections
    • Undergraduate Research Scholars Capstone (2006–present)
    Citation
    King, Robert David (2017). Real-Time Data Quality Monitoring System for the CMS Muon GEM Detector at the LHC. Undergraduate Research Scholars Program. Available electronically from http : / /hdl .handle .net /1969 .1 /164503.

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