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The CMS Experiment utilizes advanced muon detection systems comprising various gas-based technologies, such as Drift Tubes, Cathode Strip Chambers, and Resistive Plate Chambers (RPCs). RPCs are notable for their rapid response, which is crucial for the system’s triggering mechanism. The CMS RPC system features a 2 mm gas gap filled with a mixture of 95.2% C2H2F4, 4.5% iC4H10, and 0.3% SF6....
The Phase II upgrade of the ATLAS Muon Spectrometer plans to install approximately 1000 new-generation Resistive Plate Chambers (RPCs). This upgrade will enhance detector coverage, increase hit efficiency and timing precision, improving the trigger precision and robustness.
The chamber production is ongoing and gas volumes are commercially produced in Italy. To investigate and improve the...
Resistive Plate Chambers (RPC) at the CMS experiment are operated with a gas mixture containing around 95% Tetrafluoroethane (C2H2F4), commonly known as R-134a, which has a global warming potential (GWP) of 1430. In the framework of the CMS Upgrade project for the High Luminosity phase, new improved RPC detectors (iRPC) have been developed to enhance the legacy performances in the most RPC...
In preparation for the Phase II Upgrade for the HL-LHC program, 72 improved Resistive Plate Chambers (iRPCs) will be installed in the third and fourth endcap disks of the Compact Muon Solenoid (CMS) during the next year-end technical stop (YETS). These new generation RPC detectors will operate in a low-angle momentum (extending RPC coverage from |η| = 1.9 to 2.4), in a high radiation...
In view of the High Luminosity upgrade of CERN LHC, the forward CMS Muon spectrometer will be extended with two new stations of improved Resistive Plate Chambers (iRPC), covering the pseudorapidity range from 1.8 to 2.4. A new Front-End-Board (FEB) is designed to readout iRPC signals with a very low threshold and a Time Digital Converter (TDC) embedded into a Cyclone V INTEL FPGA. In contrast...
During LHC Long Shutdown 3, the new RPC Link System will be installed. The new Link System will allow us to exploit the high time resolution of the detector from the current 25 ns, due to a limitation in the electronics of the existing system, to the order of 1 to 2 ns with the upgrade. Utilizing the performance of the new electronics will require a low attenuation loss fiber optic...
