First data with the ATLAS Level-1 Calorimeter Trigger

被引：0

作者：

Achenbach, R. ^{[3
]}

Adragna, P. ^{[1
]}

Aharrouche, M. ^{[4
]}

Andrei, V. ^{[3
]}

Asman, B. ^{[6
]}

Barnett, B. M. ^{[5
]}

Bauss, B. ^{[4
]}

Bendel, M. ^{[4
]}

Bohm, C. ^{[6
]}

Booth, J. R. A. ^{[2
]}

Bracinik, J. ^{[2
]}

Brawn, I. P. ^{[5
]}

Charlton, D. G. ^{[2
]}

Childers, J. T. ^{[3
]}

Collins, N. J. ^{[2
]}

Curtis, C. J. ^{[2
]}

Davis, A. O. ^{[5
]}

Eckweiler, S. ^{[4
]}

Eisenhandler, E. ^{[1
]}

Faulkner, P. J. W. ^{[2
]}

Fleckner, J. ^{[4
]}

Foehlisch, F. ^{[3
]}

Gee, C. N. P. ^{[5
]}

Gillman, A. R. ^{[5
]}

Goeringer, C. ^{[4
]}

Groll, M. ^{[4
]}

Hadley, D. R. ^{[2
]}

Hanke, P. ^{[3
]}

Hellman, S. ^{[6
]}

Hidvegi, A. ^{[6
]}

Hillier, S. J. ^{[2
]}

Johansen, M. ^{[6
]}

Kluge, E. -E. ^{[3
]}

Kuhl, T. ^{[4
]}

Landon, M. ^{[1
]}

Lendermann, V. ^{[3
]}

Lilley, J. N. ^{[2
]}

Mahboubi, K. ^{[3
]}

Mahout, G. ^{[2
]}

Meier, K. ^{[3
]}

Middleton, R. P. ^{[5
]}

Moa, T. ^{[6
]}

Morris, J. D. ^{[1
]}

Mueller, F. ^{[3
]}

Neusiedl, A. ^{[4
]}

Ohm, C. ^{[6
]}

Oltmann, B. ^{[4
]}

Perera, V. J. O. ^{[5
]}

Prieur, D. P. F. ^{[5
]}

Qian, W. ^{[5
]}

机构：

[1] Queen Mary Univ London, Dept Phys, London E1 4NS, England

[2] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

[3] Heidelberg Univ, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany

[4] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[5] STFC Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[6] Univ Stockholm, Fysikum, S-10691 Stockholm, Sweden

来源：

2008 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (2008 NSS/MIC), VOLS 1-9 | 2009年

基金：

瑞典研究理事会; 英国科学技术设施理事会;

关键词：

D O I：

暂无

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

The ATLAS Level-1 Calorimeter Trigger is one of the main elements of the first stage of event selection for the ATLAS experiment at the LHC. The input stage consists of a mixed analogue/digital component taking trigger sums from the ATLAS calorimeters. The trigger logic is performed in a digital, pipelined system with several stages of processing, largely based on FPGAs, which perform programmable algorithms in parallel with a fixed latency to process about 300 Gbyte/s of input data. The real-time output consists of counts of different types of physics objects, and energy sums. The final system consists of over 300 custom-built VME modules, of several different types. The installation at ATLAS of these modules, and the necessary infrastructure, was completed at the end of 2007. The system has since undergone intensive testing, both in standalone mode, and in conjunction with the whole of the ATLAS detector in combined running. The final steps of commissioning, and experience with running the full-scale system are presented. Results of integration tests performed with the upstream calorimeters, and downstream trigger and data-flow systems, are shown, along with an analysis of the performance of the calorimeter trigger in full ATLAS data-taking. This includes trigger operation during the cosmic muon runs from before LHC start-up, and a first look at LHC proton beam data.

引用

页码：1126 / +

页数：2

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