The RPC LVL1 Trigger System of the Muon spectrometer of the ATLAS experiment at LHC

被引:4
作者
Aielli, G [1 ]
Aloisio, A
Alviggi, M
Biglietti, M
Bocci, V
Brambilla, E
Camarri, P
Canale, V
Caprio, M
Cardarelli, R
Carlino, G
Cataldi, G
Chiodini, G
Conventi, E
de Asmundis, R
Della Pietra, M
della Volpe, D
Di Ciaccio, A
Di Mattia, A
Di Simone, A
Falciano, S
Gorini, E
Grancagnolo, F
Iengo, P
Liberti, B
Luminari, L
Nisati, A
Pastore, F
Patricelli, S
Perrino, R
Petrolo, E
Primavera, M
Sekhniaidze, G
Spagnolo, S
Salamon, A
Santonico, R
Vari, R
Veneziano, S
机构
[1] Ist Nazl Fis Nucl, Sez Roma 2, Rome, Italy
[2] Univ Roma Tor Vergata, I-00133 Rome, Italy
[3] Univ Naples Federico II, I-89125 Naples, Italy
[4] Ist Nazl Fis Nucl, I-89125 Naples, Italy
[5] Ist Nazl Fis Nucl, Sez Roma 1, I-00185 Rome, Italy
[6] Univ Roma La Sapienza, I-00185 Rome, Italy
[7] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy
[8] Univ Lecce, I-73100 Lecce, Italy
关键词
ATLAS; cosmic rays; LHC; unions; resistive plate chamber (RPC); trigger;
D O I
10.1109/TNS.2004.832931
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The Atlas Trigger System has been designed to reduce the LHC interaction rate of about 1 GHz to the foreseen storage rate of about 100 Hz. Three trigger levels are applied in order to fulfill such a requirement. A detailed simulation of the ATLAS experiment including the hardware components and the logic of the Level-1 Muon trigger in the barrel of the muon spectrometer has been performed. This simulation has been used not only to evaluate the performances of the system but also to optimize the trigger logic design. In the barrel of the union spectrometer the trigger will be given by means of resistive plate chambers (RPCs) working in avalanche mode. Before being mounted on the experiment, accurate quality tests with cosmic rays are carried out on each RPC chamber using the test station facility of the INFN and University laboratory of Napoli. All working parameters are measured and the uniformity of the efficiency on the whole RPC surface is required. A summary of the Napoli cosmic rays tests, together with a brief description of the Atlas Trigger, in particular of the Level-1 Muon Trigger in the barrel, and the results of the trigger simulation will be given.
引用
收藏
页码:1581 / 1589
页数:9
相关论文
共 10 条
[1]   RPC front-end electronics for the ATLAS LVL1 trigger detector [J].
Aielli, G ;
Camarri, P ;
Cardarelli, R ;
Chiostri, V ;
Di Ciaccio, A ;
Di Sante, L ;
Orengo, G ;
Santonico, R .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1998, 409 (1-3) :291-293
[2]   Cosmic ray test station for ATLAS RPC [J].
Alviggi, M ;
Canale, V ;
Caprio, M ;
Carlino, G ;
Conventi, F ;
de Asmundis, R ;
Iengo, P ;
Della Pietra, M ;
Della Volpe, D ;
Patricelli, S ;
Romano, L ;
Sekhniaidze, G .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2003, 508 (1-2) :124-127
[3]  
ANFT J, 1997, INFNAE9745
[4]  
*ATL COLL, 2003, CERNLHCC2003022 ATL
[5]  
*ATL COLL, 1997, CERNLHCC9722 ATL COL
[6]  
*ATL RPC COLL, 1999, CERNEB99002 ATL RPC
[7]   The coincidence matrix ASIC of the level-1 muon barrel trigger of the ATLAS experiment [J].
Bocci, V ;
Petrolo, E ;
Salamon, A ;
Vari, R ;
Veneziano, S .
IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2003, 50 (04) :1078-1085
[8]  
EEROLA P, 1998, ATLPHYS98120
[9]  
SJOSTRAND T, 1993, CERNTH711293
[10]  
1998, CERNLHCC9814