CERN Accelerating science

CMS Note
Report number	CERN-OPEN-2000-073 ; CMS-NOTE-1999-060
Title	The Track-Finding Processor for the Level-1 Trigger of the CMS Endcap Muon System
Author(s)	Acosta, Darin ; Atamanchuk, A (St. Petersburg Nuclear Physics Institute, Russia) ; Golovtsov, Victor (St. Petersburg Nuclear Physics Institute, Russia) ; Madorsky, Alexander (University of Florida, Gainesville, USA) ; Razmyslovich, Boris (St. Petersburg Nuclear Physics Institute, Russia) ; Scurlock, Bobby (University of Florida, Gainesville, USA) ; Wang, Shaowen (University of Florida, Gainesville, USA)
Publication	CERN, 1999
Imprint	29 Oct 1999
Number of pages	5
In:	5th Conference on Electronics for LHC Experiments, pp.318-322
DOI	10.5170/CERN-1999-009.318
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; CMS
Free keywords	MUONS ; TRIGGER
Abstract	We report on the development and test of a prototype track-finding processor for the level-1 trigger of the CMS endcap muon system. The processor links track segments identified in the cathode strip chambers of the endcap muon system into complete three-dimensional tracks, and measures the transverse momentum of the best track candidates from the sagitta induced by the magnetic bending. The algorithms are implemented using SRAM and Xilinx Virtex FPGAs, and the measured latency is 15 clocks. We also report on the design of the pre-production prototype, which achieves further latency and size reduction using state-of-the-art technology. (4 refs).
Copyright/License	Preprint: (License: CC-BY-4.0)

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