The ATLAS Level-1 Calorimeter Trigger: PreProcessor implementation and performance

被引：5

作者：

Asman, B. ^{[16
]}

Achenbach, R. ^{[7
]}

Allbrooke, B. M. M. ^{[2
]}

Anders, G. ^{[7
]}

Andrei, V. ^{[7
]}

Buescher, V. ^{[6
]}

Bansil, H. S. ^{[2
]}

Barnett, B. M. ^{[14
]}

Bauss, B. ^{[10
]}

Bendtz, K. ^{[16
]}

Bohm, C. ^{[16
]}

Bracinik, J. ^{[2
]}

Brawn, I. P. ^{[15
]}

Brock, R. ^{[12
]}

Buttinger, W. ^{[3
]}

Caputo, R. ^{[10
]}

Caughron, S. ^{[12
]}

Cerrito, L. ^{[9
]}

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

Childers, J. T. ^{[4
]}

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

Daniells, A. C. ^{[2
]}

Davis, A. O. ^{[15
]}

Davygora, Y. ^{[7
]}

Dorn, M. ^{[7
]}

Eckweiler, S. ^{[10
]}

Edmunds, D. ^{[12
]}

Edwards, J. P. ^{[15
]}

Eisenhandler, E. ^{[9
]}

Ellis, K. ^{[9
]}

Ermoline, Y. ^{[12
]}

Foehlisch, F. ^{[7
]}

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

Fedorko, W. ^{[12
]}

Fleckner, J. ^{[10
]}

French, S. T. ^{[3
]}

Gee, C. N. P. ^{[14
]}

Gillman, A. R. ^{[14
]}

Goeringer, C. ^{[10
]}

Huelsing, T. ^{[10
]}

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

Hanke, P. ^{[7
]}

Hauser, R. ^{[12
]}

Heim, S. ^{[12
]}

Hellman, S. ^{[16
]}

Hickling, R. S.

Hidvegi, A. ^{[16
]}

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

Hofmann, J. I. ^{[7
]}

Hristova, I. ^{[1
]}

机构：

[1] Humboldt Univ, Inst Phys, D-10099 Berlin, Germany

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

[3] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[4] CERN, Geneva, Switzerland

[5] Univ Freiburg, Fak Math & Phys, D-79106 Freiburg, Germany

[6] Univ Gottingen, Inst Phys 2, Gottingen, Germany

[7] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany

[8] Heidelberg Univ, Inst Phys, Heidelberg, Germany

[9] Queen Mary Univ London, Sch Phys & Astron, London, England

[10] Johannes Gutenberg Univ Mainz, Inst Phys, Mainz, Germany

[11] McGill Univ, Dept Phys, Montreal, PQ, Canada

[12] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[13] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[14] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England

[15] Rutherford Appleton Lab, Dept Technol, Didcot OX11 0QX, Oxon, England

[16] Stockholm Univ, Dept Phys, S-10691 Stockholm, Sweden

来源：

JOURNAL OF INSTRUMENTATION | 2012年 / 7卷

基金：

英国科学技术设施理事会; 瑞典研究理事会;

关键词：

Trigger concepts and systems (hardware and software); Trigger algorithms; Modular electronics; Front-end electronics for detector readout;

D O I：

10.1088/1748-0221/7/12/P12008

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The PreProcessor system of the ATLAS Level-1 Calorimeter Trigger (L1Calo) receives about 7200 analogue signals from the electromagnetic and hadronic components of the calorimetric detector system. Lateral division results in cells which are pre-summed to so-called Trigger Towers of size 0.1 x 0.1 along azimuth (phi) and pseudorapidity (eta). The received calorimeter signals represent deposits of transverse energy. The system consists of 124 individual PreProcessor modules that digitise the input signals for each LHC collision, and provide energy and timing information to the digital processors of the L1Calo system, which identify physics objects forming much of the basis for the full ATLAS first level trigger decision. This paper describes the architecture of the PreProcessor, its hardware realisation, functionality, and performance.

引用

页数：30

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