The ATLAS Muon Trigger Design and Performance
October 20, 2021
November 17, 2021
Muon triggers are essential for the studies of various physics processes at the ATLAS experiment, including Standard Model measurements and searches for new physics. The ATLAS muon trigger system consists of hardware based and software based subsystems. Both subsystems have been optimised during Run 2 to suppress the trigger rate while keeping the efficiency for high momentum muons. The performance of the muon triggers in Run 3 is expected to be improved by installing new detectors and exploiting multithreading technology. We present the improvements and the performance at Run 2 and the improvements and the readiness for Run 3.
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