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Upgrade Analog Readout and Digitizing System for ATLAS TileCal Demonstrator
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
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Number of Authors: 7
2015 (English)In: IEEE Transactions on Nuclear Science, ISSN 0018-9499, E-ISSN 1558-1578, Vol. 62, no 3, 1045-1049 p.Article in journal (Refereed) Published
Abstract [en]

The TileCal Demonstrator is a prototype for the future upgrade of the ATLAS hadron calorimeter when the Large Hadron Collider increases luminosity in year 2023 (HL-LHC). It will be used for functionality and performance tests. The Demonstrator has 48 channels of upgraded readout and digitizing electronics and a new digital trigger capability, but is backwards-compatible with the present detector system insofar as it also provides analog trigger signals and can communicate as the present system. The on-detector part of the Demonstrator is comprised of 4 identical mechanical mini-drawers, each equipped with up to 12 photomultipliers (PMTs). The on-detector electronics includes 45 Analog Front-End Boards, each serving an individual PMT; 4 Main Boards, each to control and digitize up to 12 PMT signals, and 4 corresponding high-speed Daughter Boards serving as data hubs between on-detector and off-detector electronics. It is fully compatible with the present system, accepting ATLAS triggers, timing and slow control commands for the data acquisition, detector control, and detector operation monitoring. We plan to insert one fully functional Demonstrator module into the present ATLAS TileCal detector for the LHC RUN 2 in Christmas shutdown in 2015 or 2016.

Place, publisher, year, edition, pages
2015. Vol. 62, no 3, 1045-1049 p.
Keyword [en]
Analog processing circuits, analog-digital conversion, circuit noise, pulse measurements, tile calorimeter
National Category
Electrical Engineering, Electronic Engineering, Information Engineering Mechanical Engineering
URN: urn:nbn:se:su:diva-119169DOI: 10.1109/TNS.2015.2411993ISI: 000356458000026OAI: diva2:845285
Available from: 2015-08-11 Created: 2015-07-29 Last updated: 2015-08-11Bibliographically approved

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Åkerstedt, HenrikBohm, ChristianMuschter, Steffen
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