PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Operation, Performance and Upgrade (incl. HL-LHC) of Present Detectors
Overview of the HL-LHC Upgrade for the CMS Level-1 Trigger
B. Radburn-smith*  on behalf of the CMS Collaboration
Full text: pdf
Pre-published on: December 05, 2022
Published on: June 15, 2023
High-precision measurements of the standard model as well as searches for new physics beyond the standard model require the statistical power of the High-Luminosity LHC. The CMS experiment will perform an upgrade of the Level-1 hardware trigger in order to take full advantage of the High-Luminosity LHC. This Phase-2 Level-1 Trigger will utilise, for the first time, tracking and high-granularity calorimeter information and employ sophisticated algorithms such as particle flow reconstruction and Machine Learning techniques. An overview of the design of the Phase-2 Level-1 Trigger, along with two recent Machine Learning algorithm highlights, and benchmark examples of the extension to physics acceptance is presented.
DOI: https://doi.org/10.22323/1.414.0639
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