A CMS Level-1 Track Finder for the HL-LHC
Brent R. Yates (for the CMS collaboration)

TL;DR
The paper presents a novel Level-1 track trigger system for the CMS experiment at the HL-LHC, designed to efficiently reconstruct particle tracks in a high-luminosity environment to improve trigger performance.
Contribution
It introduces a new algorithm and hardware prototype for the CMS Level-1 track finder, addressing the challenges of real-time track reconstruction at the HL-LHC.
Findings
Estimated system performance shows effective track reconstruction.
Hardware prototypes demonstrate feasibility of the approach.
The system meets the demands of high-luminosity conditions.
Abstract
The High-Luminosity LHC will put significant demands on trigger systems. To control trigger thresholds, the CMS Collaboration is designing a novel Level-1 track trigger. The Outer Tracker will use modules with pairs of sensor layers to read out hits compatible with charged particles above 2-3 GeV. The system will combine these front-end trigger primitives to reconstruct tracks, providing a measurement of , , , and . This presentation will introduce the CMS L1 track finding system: the algorithm and its estimated performance, hardware prototypes, and the unique challenges associated with this system.
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Taxonomy
TopicsParticle Detector Development and Performance · Particle physics theoretical and experimental studies · Medical Imaging Techniques and Applications
