The ATLAS RPC Level-1 muon trigger: design and simulation

被引：2
|
作者：
Carlino, G
Conventi, F [1 ]
Bocci, V
Di Mattia, A
Luminari, L
Nisati, A
Pastore, F
Petrolo, E
Vari, R
Veneziano, S
机构：
[1] Ist Nazl Fis Nucl, I-80125 Naples, Italy
[2] Comp Univ Monte S Angelo, I-80126 Naples, Italy
[3] Univ Naples Federico II, Naples, Italy
[4] Ist Nazl Fis Nucl, Rome, Italy
[5] Univ Roma La Sapienza, Rome, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 533卷 / 1-2期
关键词：
RPC; ATLAS; trigger;
D O I：
10.1016/j.nima.2004.07.025
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The three-levels ATLAS trigger system has been designed to reduce the initial LHC interactions rate from 1 GHz to similar to100 Hz in order to allow permanent data storage. This result must be achieved preserving the less probable physics signals against a large background therefore providing a challenge task for the trigger and DAQ system. The Level-1 muon trigger in the barrel region of the Muon Spectrometer is provided by Resistive Plate Chambers (RPC) working in avalanche mode. More than 1000 RPC Units of different sizes will be installed covering a surface of about 3650 m(2) with a 350,000 readout channels. A detailed simulation of the Level-1 has been developed in order to optimize the trigger logic design and to study his performances. A description of the Level-1 trigger in the barrel and preliminary results of his performances will be presented. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：188 / 192
页数：5
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