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The ATLAS Data Acquisition and High Level Trigger system
/ Abolins, M (Michigan State U.) ; Abreu, R (CERN) ; Achenbach, R (Kirchhoff Inst. Phys.) ; Aharrouche, M (Mainz U., Inst. Phys.) ; Aielli, G (INFN, Rome ; Rome U., Tor Vergata) ; Al-Shabibi, A (CERN) ; Aleksandrov, I (Dubna, JINR) ; Alexandrov, E (Dubna, JINR) ; Allbrooke, B M (Birmingham U.) ; Aloisio, A (INFN, Naples ; Naples U.) et al.
/ATLAS TDAQ
This paper describes the data acquisition and high level trigger system of the ATLAS experiment at the Large Hadron Collider at CERN, as deployed during Run 1. Data flow as well as control, configuration and monitoring aspects are addressed. [...]
2016 - 153 p.
- Published in : JINST 11 (2016) P06008
IOP Open Access article: PDF;
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2.
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A Hardware Track Finder for ATLAS Trigger
/ Volpi, G ; Andreani, A ; Andreazza, A ; Citterio, M ; Favareto, A ; Liberali, V ; Meroni, C ; Riva, M ; Sabatini, F ; Stabile, A et al.
The existing three level ATLAS trigger system is deployed to reduce the event rate from the bunch crossing rate of 40 MHz to ~400 Hz for permanent storage at the LHC design luminosity of 10^34 cm^-2 s^-1. When the LHC reaches beyond the design luminosity, the load on the Level-2 trigger system will significantly increase due to both the need for more sophisticated algorithms to suppress background and the larger event sizes. [...]
ATL-DAQ-SLIDE-2012-359.-
Geneva : CERN, 2012 - 15 p.
Fulltext: ATL-DAQ-SLIDE-2012-359 - PDF; volpi_rt2012 - PPTX; External link: Original Communication (restricted to ATLAS)
In : 18th IEEE Real-Time Conference 2012, Berkeley, California, 11 - 15 Jun 2012
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3.
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The ATLAS Trigger/DAQ Authorlist
/ Abolins, M ; Abreu, R ; Achenbach, R ; Aharrouche, M ; Aielli, G ; Al-Shabibi, A ; Aleksandrov, I ; Alexandrov, E ; Allbroke, B M ; Aloisio, A et al.
This is the ATLAS Trigger/DAQ Authorlist, version 11.09 (September 28, 2011)..
ATL-DAQ-PUB-2011-002.
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2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4.
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ATLAS FTK: Fast Track Trigger
/ Amerio, S (INFN, Padua) ; Andreani, A (INFN, Milan ; Milan U.) ; Andreazza, A (INFN, Milan ; Milan U.) ; Annovi, A (Frascati) ; Beretta, M (Frascati) ; Bevacqua, V (INFN, Pisa ; Pisa U.) ; Bogdan, M (Chicago U.) ; Bossini, E (INFN, Siena ; Siena U.) ; Boveia, A (Chicago U.) ; Cavaliere, V (Illinois U., Urbana) et al.
A track reconstruction system for the trigger of the ATLAS detector at the Large Hadron Collider is described. [...]
ATL-DAQ-PROC-2011-022.
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2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5.
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6.
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The EDRO board connected to the Associative Memory: a “Baby” FastTracKer processor for the ATLAS experiment
/ Annovi, A ; Beretta, M ; Bevacqua, V ; Cervigni, F ; Crescioli, F ; Fabbri, L ; Giannetti, P ; Giorgi, F ; Magalotti, D ; Negri, A et al.
The FastTracKer (FTK) is a dedicated hardware system able to perform online fast and precise track reconstruction of full events in the Atlas experiment within an average latency of a few dozen microseconds. It consists of two pipelined processors: the Associative Memory (AM), which finds low precision tracks called “roads”, and the Track Fitter (TF), which refines the track quality with high precision fits [...]
ATL-DAQ-SLIDE-2011-349.-
Geneva : CERN, 2011
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 10th International Conference on Large Scale Applications and Radiation Hardness of Semiconductor Detectors, Florence, Italy, 6 - 8 Jul 2011
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7.
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The EDRO board connected to the Associative Memory: a "Baby" FastTracKer processor for the ATLAS experiment
/ Annovi, A (INFN Frascati) ; Beretta, M (INFN Frascati) ; Villa, M (INFN Bologna / Universita` di Bologna) ; Bevacqua, V (INFN Pisa / Universita` di Pisa) ; Vitillo, R A (INFN Pisa / Universita` di Pisa) ; Giorgi, F (INFN Bologna) ; Magalotti, D (Universita` di Perugia) ; Roda, C (INFN Pisa / Universita` di Pisa) ; Cervigni, F (INFN Pisa / Universita` di Pisa) ; Giannetti, P (INFN Pisa / Universita` di Pisa) et al.
The FastTracKer (FTK) is a dedicated hardware system able to perform online fast and precise track reconstruction of the full events at the Atlas experiment, within an average latency of few dozens of microseconds. It is made of two pipelined processors: the Associative Memory (AM), finding low precision tracks called "roads", and the Track Fitter (TF), refining the track quality with high precision fits [...]
ATL-DAQ-SLIDE-2011-233.-
Geneva : CERN, 2011 - 14 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 2nd International Conference on Technology and Instrumentation in Particle Physics, Chicago, IL, USA, 9 - 14 Jun 2011
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8.
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Enhancement of the ATLAS Trigger System with a Hardware Tracker Finder FTK
/ Zhang, J (Argonne) ; Andreani, A (INFN, Milan ; Milan U.) ; Andreazza, A (INFN, Milan ; Milan U.) ; Annovi, A (Frascati) ; Beretta, M (Frascati) ; Bevacqua, V (INFN, Pisa ; Pisa U.) ; Bogdan, M (Chicago U.) ; Bossini, E (Frascati) ; Boveia, A (Chicago U.) ; Canelli, F (Chicago U. ; Fermilab) et al.
The existing three-level ATLAS trigger system is deployed to reduce the event rate from the bunch crossing rate of 40 MHz to ~200 Hz for permanent storage at the LHC design luminosity of 10^34 cm^-2 s^-1. [...]
ATL-DAQ-PROC-2010-043.
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2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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9.
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The FastTrack Real Time Processor and Its Impact on Muon Isolation, Tau and b-Jet Online Selections at ATLAS
/ Crescioli, F (INFN, Pisa ; Pisa U.) ; Andreani, A (INFN, Milan ; Milan U.) ; Zhang, J (Argonne) ; Boveia, A (Chicago U.) ; Bevacqua, V (INFN, Pisa ; Pisa U.) ; Cheng, Y (Chicago U.) ; Canelli, F (Fermilab ; Chicago U.) ; Bogdan, M (Chicago U.) ; Dell'Orso, M (INFN, Pisa ; Pisa U.) ; Bossini, E (Frascati) et al.
As the LHC luminosity is ramped up to 31034 cm−2 s−1 and beyond, the high rates, multiplicities, and energies of particles seen by the detectors will pose a unique challenge. [...]
ATL-DAQ-PROC-2010-014.
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2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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