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author Achenbach, R
Adragna, P
Aharrouche, M
Andrei, V
Åsman, B
Barnett, BM
Bauss, B
Bendel, M
Bohm, C
Booth, JRA
Bracinik, J
Brawn, IP
Charlton, DG
Childers, JT
Collins, NC
Curtis, CJ
Davis, AO
Eckweiler, S
Eisenhandler, E F
Faulkner, PJW
Fleckner, J
Föhlisch, F
Gee, CNP
Gillman, AR
Goeringer, C
Groll, M
Hadley, DR
Hanke, P
Hellman, S
Hidvegi, A
Hillier, SJ
Johansen, M
Kluge, E-E
Kühl, T
Landon, M
Lendermann, V
Lilley, JN
Mahboubi, K
Mahout, G
Meier, K
Middleton, RP
Moa, T
Morris, JD
Müller, F
Neusiedl, A
Ohm, C
Oltmann, B
Perera, VJO
Prieur, D
Qian, W
Rieke, S
Rühr, F
Sankey, DPC
Schäfer, U
Schmitt, K
Schultz-Coulon, H-C
Seidler, P
Silverstein, S
Sjölin, J
Staley, RJ
Stamen, R
Stockton, MC
Tan, CLA
Tapprogge, S
Thomas, JP
Thompson, PD
Watkins, PM
Watson, A
Weber, P
Wessels, M
Wildt, M
author_facet Achenbach, R
Adragna, P
Aharrouche, M
Andrei, V
Åsman, B
Barnett, BM
Bauss, B
Bendel, M
Bohm, C
Booth, JRA
Bracinik, J
Brawn, IP
Charlton, DG
Childers, JT
Collins, NC
Curtis, CJ
Davis, AO
Eckweiler, S
Eisenhandler, E F
Faulkner, PJW
Fleckner, J
Föhlisch, F
Gee, CNP
Gillman, AR
Goeringer, C
Groll, M
Hadley, DR
Hanke, P
Hellman, S
Hidvegi, A
Hillier, SJ
Johansen, M
Kluge, E-E
Kühl, T
Landon, M
Lendermann, V
Lilley, JN
Mahboubi, K
Mahout, G
Meier, K
Middleton, RP
Moa, T
Morris, JD
Müller, F
Neusiedl, A
Ohm, C
Oltmann, B
Perera, VJO
Prieur, D
Qian, W
Rieke, S
Rühr, F
Sankey, DPC
Schäfer, U
Schmitt, K
Schultz-Coulon, H-C
Seidler, P
Silverstein, S
Sjölin, J
Staley, RJ
Stamen, R
Stockton, MC
Tan, CLA
Tapprogge, S
Thomas, JP
Thompson, PD
Watkins, PM
Watson, A
Weber, P
Wessels, M
Wildt, M
author_sort Achenbach, R
collection CERN
description 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.
id cern-1140951
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2008
record_format invenio
spelling cern-11409512019-09-30T06:29:59Zhttp://cds.cern.ch/record/1140951engAchenbach, RAdragna, PAharrouche, MAndrei, VÅsman, BBarnett, BMBauss, BBendel, MBohm, CBooth, JRABracinik, JBrawn, IPCharlton, DGChilders, JTCollins, NCCurtis, CJDavis, AOEckweiler, SEisenhandler, E FFaulkner, PJWFleckner, JFöhlisch, FGee, CNPGillman, ARGoeringer, CGroll, MHadley, DRHanke, PHellman, SHidvegi, AHillier, SJJohansen, MKluge, E-EKühl, TLandon, MLendermann, VLilley, JNMahboubi, KMahout, GMeier, KMiddleton, RPMoa, TMorris, JDMüller, FNeusiedl, AOhm, COltmann, BPerera, VJOPrieur, DQian, WRieke, SRühr, FSankey, DPCSchäfer, USchmitt, KSchultz-Coulon, H-CSeidler, PSilverstein, SSjölin, JStaley, RJStamen, RStockton, MCTan, CLATapprogge, SThomas, JPThompson, PDWatkins, PMWatson, AWeber, PWessels, MWildt, MFirst data with the ATLAS Level-1 Calorimeter TriggerDetectors and Experimental TechniquesThe 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.ATL-DAQ-PROC-2008-006ATL-COM-DAQ-2008-014oai:cds.cern.ch:11409512008-10-20
spellingShingle Detectors and Experimental Techniques
Achenbach, R
Adragna, P
Aharrouche, M
Andrei, V
Åsman, B
Barnett, BM
Bauss, B
Bendel, M
Bohm, C
Booth, JRA
Bracinik, J
Brawn, IP
Charlton, DG
Childers, JT
Collins, NC
Curtis, CJ
Davis, AO
Eckweiler, S
Eisenhandler, E F
Faulkner, PJW
Fleckner, J
Föhlisch, F
Gee, CNP
Gillman, AR
Goeringer, C
Groll, M
Hadley, DR
Hanke, P
Hellman, S
Hidvegi, A
Hillier, SJ
Johansen, M
Kluge, E-E
Kühl, T
Landon, M
Lendermann, V
Lilley, JN
Mahboubi, K
Mahout, G
Meier, K
Middleton, RP
Moa, T
Morris, JD
Müller, F
Neusiedl, A
Ohm, C
Oltmann, B
Perera, VJO
Prieur, D
Qian, W
Rieke, S
Rühr, F
Sankey, DPC
Schäfer, U
Schmitt, K
Schultz-Coulon, H-C
Seidler, P
Silverstein, S
Sjölin, J
Staley, RJ
Stamen, R
Stockton, MC
Tan, CLA
Tapprogge, S
Thomas, JP
Thompson, PD
Watkins, PM
Watson, A
Weber, P
Wessels, M
Wildt, M
First data with the ATLAS Level-1 Calorimeter Trigger
title First data with the ATLAS Level-1 Calorimeter Trigger
title_full First data with the ATLAS Level-1 Calorimeter Trigger
title_fullStr First data with the ATLAS Level-1 Calorimeter Trigger
title_full_unstemmed First data with the ATLAS Level-1 Calorimeter Trigger
title_short First data with the ATLAS Level-1 Calorimeter Trigger
title_sort first data with the atlas level-1 calorimeter trigger
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/1140951
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