The Muon Trigger in ATLAS

P. Barria, M. Bellomo, M. Biglietti, G. Carlino, G. Cataldi, F. Conventi, S. De Cecco, A. Di Mattia, C. Dionisi, S. Falciano, S. Giagu, E. Gorini, S. Grancagnolo, M. Inada, N. Kanaya, T. Kono, A. Krasznahorkay, H. Kiyamura, T. Kubota, H. KurasigeT. Kuwabara, C. Luci, L. Luminari, F. Marzano, K. Nagano, A. Nisati, C. Omachi, N. Panikashvili, E. Pasqualucci, M. Primavera, M. Rescigno, P. Ryan, D. A. Scannicchio, N. Shimbo, A. Sidoti, S. Spagnolo, S. Tarem, Z. Tarem, K. Tokushuku, G. Usai, A. L. Ventura, V. Vercesi, Y. Yamazaki, Giovanni Siragusa

Research output: Contribution to journalConference articlepeer-review

Abstract

The trigger system of the ATLAS experiment at LHC must reduce the interaction rate of 1GHz to the 200 Hz of the event acquisition rate. The system is organized in three hierarchical levels. The first trigger level (LVL1) is hardware based, while Level-2 (LVL2) and Event Filter (EF) compose the High Level Trigger (HLT), software based, which will run on the on-line trigger farms. In this paper we describe the implementation of the muon trigger system and its performance, evaluated on Monte Carlo simulations, in terms of signal efficiency and resolutions.

Original languageEnglish
JournalProceedings of Science
Volume50
StatePublished - 2007
Event11th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, ACAT 2007 - Nikhef, Amsterdam, Netherlands
Duration: 23 Apr 200727 Apr 2007

ASJC Scopus subject areas

  • General

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