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Journal of Instrumentation Volume 3 August 2008 Create an alert RSS this journal

J Erö et al 2008 JINST 3 P08006 doi:10.1088/1748-0221/3/08/P08006

The CMS Drift Tube Trigger Track Finder

J Erö1, Ch Deldicque1, M Galánthay1, H Bergauer1, M Jeitler1, K Kastner1, B Neuherz1, I Mikulec1, M Padrta1, H Rohringer1, H Sakulin1, A Taurok1, C-E Wulz1, A Montanari2, G M Dallavalle2, L Guiducci2, G Pellegrini2, J Fernández de Trocóniz3 and I Jiménez3

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Abstract References Cited By
Muons are among the decay products of many new particles that may be discovered at the CERN Large Hadron Collider. At the first trigger level the identification of muons and the determination of their transverse momenta and location are performed by the Drift Tube Trigger Track Finder in the central region of the CMS (Compact Muon Solenoid) experiment, using track segments detected in the Drift Tube muon chambers. Track finding is performed both in pseudorapidity and azimuth. Track candidates are ranked and sorted, and the best four are delivered to the subsequent stage, the Global Muon Trigger, which combines them with candidates found in the two complementary muon systems of CMS, the Resistive Plate Chambers and the Cathode Strip Chambers. The concept, design, control and simulation software as well as tests and the expected performance of the Drift Tube Trigger Track Finder system are described.

Keywords

VLSI circuits

Digital electronic circuits

Trigger concepts and systems (hardware and software)

PACS

29.40.Gx Tracking and position-sensitive detectors

29.40.Cs Gas-filled counters: ionization chambers, proportional, and avalanche counters

84.30.Sk Pulse and digital circuits

Subjects

Accelerators, beams and electromagnetism

Electronics and devices

Nuclear physics

Instrumentation and measurement

Particle physics and field theory

Dates

Issue 08 (August 2008)

Received 13 June 2008, accepted for publication 11 August 2008

Published 26 August 2008



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