Speaker
Description
The minimum ionizing particles (MIPs) Timing Detector (MTD) will be installed during the Phase II Upgrade of the Compact Muon Solenoid (CMS) experiment at the CERN LHC. The MTD will provide time information for tracks with a time resolution of about 30-60 ps, helping manage the increased pileup level to preserve the CMS detector's reconstruction performance. The MTD's barrel part (BTL) is instrumented with sensor modules made of 16 bars of LYSO:Ce scintillating crystals coupled at each end to Silicon Photomultipliers (SiPMs). The SiPMs will be exposed to an unprecedented radiation level by the end of the High-Luminosity LHC operations, up to a neutron fluence of 2*10^14 1MeV n_eq/cm^2. In this poster, the latest results of test beam campaigns conducted at CERN and FNAL during 2023 will be presented. The final performance of both non-irradiated and irradiated sensor modules will be discussed, demonstrating their compliance with the detector design requirements.
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