Design and Performance of the ALICE Muon Trigger System

R. Arnaldi, A. Baldit, V. Barret, N. Bastid, G. Blanchard, E. Chiavassa, A. Colla, P. Cortese, P. Crochet, G. Dellacasa, A. Devaux, N. De Marco, P. Dupieux, A. Ferretti, P. Force, B. Forestier, M. Gagliardi, M. Gallio, R. Gemme, S. GrigoryanF. Guerin, R. Guernane, C. Insa, F. Jouve, F. Manso, P. Mereu, A. Musso, C. Oppedisano, A. Piccotti, F. Poggio, L. Royer, P. Rosnet, P. Saturnini, E. Scomparin, G. Travaglia, E. Vercellin, F. Yermia

Research output: Contribution to journalArticlepeer-review

Abstract

The Forward Muon Spectrometer is one of the main components of ALICE, the dedicated heavy-ion experiment at the LHC. Its main goal is to measure heavy quarkonia (J / ψ and Υ{hooked} families) production in their μ+ μ- decay channel. The muon trigger has to match the maximum trigger rate of about 1 kHz which can be handled by the DAQ. Therefore an event selection is performed by applying a suitable pt cut on each muon of the pair. The trigger system is based on Resistive Plate Chambers. The experimental conditions, the trigger architecture, its principle and its performance predicted by simulation are presented.

Original languageEnglish
Pages (from-to)21-24
Number of pages4
JournalNuclear Physics B - Proceedings Supplements
Volume158
Issue number1 SUPPL.
DOIs
Publication statusPublished - Aug 2006

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