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The ATLAS level-1 calorimeter trigger: preprocessor implementation and performance

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 × 0.1 al...

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Bibliographische Detailangaben
Hauptverfasser: Åsman, Barbro (VerfasserIn) , Achenbach, Ralf (VerfasserIn) , Anders, Gabriel (VerfasserIn) , Andrei, George Victor (VerfasserIn) , Davygora, Yuriy (VerfasserIn) , Dorn, Markus (VerfasserIn) , Föhlisch, Florian (VerfasserIn) , Hanke, Paul (VerfasserIn) , Djuvsland, Julia Isabell (VerfasserIn) , Keller, Michael (VerfasserIn) , Khomich, Andrei (VerfasserIn) , Kluge, Eike-Erik (VerfasserIn) , Laier, Heiko (VerfasserIn) , Lang, Valerie (VerfasserIn) , Lepold, Florian (VerfasserIn) , Mass, Alexander (VerfasserIn) , Meier, Karlheinz (VerfasserIn) , Müller, Felix (VerfasserIn) , Narayan, Rohin T. (VerfasserIn) , Pfeiffer, Ullrich (VerfasserIn) , Poddar, Sahill (VerfasserIn) , Scharf, Veit (VerfasserIn) , Schmitt, Klaus (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Schumacher, Cornelius (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Stock, Peter (VerfasserIn) , Wessels, Martin (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 12 December 2012
In: Journal of Instrumentation
Year: 2012, Jahrgang: 7, Heft: 12
ISSN:1748-0221
DOI:10.1088/1748-0221/7/12/P12008
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1088/1748-0221/7/12/P12008
Verlag, Volltext: http://stacks.iop.org/1748-0221/7/i=12/a=P12008
Volltext
Verfasserangaben:B. Åsman, R. Achenbach, B.M.M. Allbrooke, G. Anders, V. Andrei, V. Büscher, H.S. Bansil, B.M. Barnett, B. Bauss, K. Bendtz, C. Bohm, J. Bracinik, I.P. Brawn, R. Brock, W. Buttinger, R. Caputo, S. Caughron, L. Cerrito, D.G. Charlton, J.T. Childers, C.J. Curtis, A.C. Daniells, A.O. Davis, Y. Davygora, M. Dorn, S. Eckweiler, D. Edmunds, J.P. Edwards, E. Eisenhandler, K. Ellis, Y. Ermoline, F. Föhlisch, P.J.W. Faulkner, W. Fedorko, J. Fleckner, S.T. French, C.N.P. Gee, A.R. Gillman, C. Goeringer, T. Hülsing, D.R. Hadley, P. Hanke, R. Hauser, S. Heim, S. Hellman, R.S. Hickling, A. Hidvégi, S.J. Hillier, J.I. Hofmann, I. Hristova, W. Ji, M. Johansen, M. Keller, A. Khomich, E.-E. Kluge, J. Koll, H. Laier, M.P.J. Landon, V.S. Lang, P. Laurens, F. Lepold, J.N. Lilley, J.T. Linnemann, F. Müller, T. Müller, K. Mahboubi, T.A. Martin, A. Mass, K. Meier, C. Meyer, R.P. Middleton, T. Moa, S. Moritz, J.D. Morris, R.D. Mudd, R. Narayan, M. zur Nedden, A. Neusiedl, P.R. Newman, A. Nikiforov, C.C. Ohm, V.J.O. Perera, U. Pfeiffer, P. Plucinski, S. Poddar, D.P.F. Prieur, W. Qian, P. Rieck, E. Rizvi, D.P.C. Sankey, U. Schäfer, V. Scharf, K. Schmitt, C. Schröder, H.-C. Schultz-Coulon, C. Schumacher, R. Schwienhorst, S.B. Silverstein, E. Simioni, G. Snidero, R.S. Staley, R. Stamen, P. Stock, M.C. Stockton, C.L.A. Tan, S. Tapprogge, J.P. Thomas, P.D. Thompson, M. Thomson, P. True, P.M. Watkins, A.T. Watson, M.F. Watson, P. Weber, M. Wessels, C. Wiglesworth and S.L. Williams
Beschreibung
Zusammenfassung: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 × 0.1 along azimuth ( ##IMG## [http://ej.iop.org/icons/Entities/phi.gif] phi ) and pseudorapidity (η). 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.
Beschreibung:Gesehen am 17.08.2018
Beschreibung:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/7/12/P12008

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