NDLI: The ATLAS liquid argon calorimeter read-out system

Content Provider	IEEE Xplore Digital Library
Author	Bazan, A. Bellachia, F. Blondel, A. Colas, J. Citterio, M. Gomez, M.D. Fayard, L. Ionescu, G. Kado, M. Karev, A. Kurchaninov, L. Lafaye, R. Laforge, B. La Marra, D. Lampl, W. Laplace, S. Leger, A. Matricon, P. Nappa, J.M. Oberlack, H. Panazol, J.-L. Parsons, J. Perrot, G. Poggioli, L. Prast, J. Przysiezniak, H. Dachs, I.R. Simion, S. Sippach, W. Straessner, A. Unal, G. Wilkens, H. Wingerter, I.
Copyright Year	1963
Abstract	The Liquid Argon calorimeters play a central role in the ATLAS experiment. The environment at the LHC collider imposes challenging tasks to their read-out system. To achieve measurements of particles and trigger signals at high precision, the detector signals are processed at various stages before reaching the Data Acquisition system (DAQ). Signals from the calorimeter cells are received by front-end boards, which digitize and sample the incoming pulse. Read-out Driver (ROD) boards further process the data at a trigger rate of up to 75 kHz. An optimal filtering procedure is applied to optimize the signal-to-noise ratio. The ROD boards calculate precise energy, time and quality of the detector pulse, which are then sent to the DAQ. In addition, the RODs perform a monitoring of the data. The architecture of the ATLAS Liquid Argon detector read-out is discussed, in particular the design and functionality of the ROD board. Performance results obtained with ROD prototypes as well as experience from complete test setups with final production boards are reported.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	735
Ending Page	740
Page Count	6
File Size	2645000
File Format	PDF
ISSN	00189499
Volume Number	53
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Argon Detectors Data acquisition Signal processing Large Hadron Collider Particle measurements Signal detection Filtering Signal to noise ratio Monitoring signal processing Data processing digital signal processors digital systems filters real time systems
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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