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Development of a digital readout board for the ATLAS Tile Calorimeter upgrade demonstrator
Stockholms universitet, Naturvetenskapliga fakulteten, Fysikum.
Stockholms universitet, Naturvetenskapliga fakulteten, Fysikum.
Stockholms universitet, Naturvetenskapliga fakulteten, Fysikum.
Visa övriga samt affilieringar
2014 (Engelska)Ingår i: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 9, artikel-id C01001Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

During the LHC shutdown in 2013/14, one of the ATLAS scintillating Tile Calorimeter (TileCal) on-detector modules will be replaced with a compatible hybrid demonstrator system. This is being built to fulfill all requirements for the complete upgrade of the TileCal electronics in 2022 but augmented to stay compatible with the present system. We report on the hybrid system's FPGA based communication module that is responsible for receiving and unpacking commands using a 4.8 Gbps downlink and driving a high bandwidth data uplink. The report includes key points like multi-gigabit transmission, clock distribution, programming and operation of the hardware. We also report on a firmware skeleton implementing all these key points and demonstrate how timing, trigger, control and data transmission can be achieved in the demonstrator.

Ort, förlag, år, upplaga, sidor
2014. Vol. 9, artikel-id C01001
Nyckelord [en]
Optical detector readout concepts, Front-end electronics for detector readout
Nationell ämneskategori
Fysik
Forskningsämne
fysik
Identifikatorer
URN: urn:nbn:se:su:diva-102505DOI: 10.1088/1748-0221/9/01/C01001ISI: 000332307000001OAI: oai:DiVA.org:su-102505DiVA, id: diva2:710393
Konferens
Topical Workshop on Electronics for Particle Physics, Perugia, Italy, Sep 23-27, 2013
Anmärkning

AuthorCount:6;

Tillgänglig från: 2014-04-07 Skapad: 2014-04-07 Senast uppdaterad: 2017-12-05Bibliografiskt granskad
Ingår i avhandling
1. Readout link and control board for the ATLAS Tile Calorimeter upgrade
Öppna denna publikation i ny flik eller fönster >>Readout link and control board for the ATLAS Tile Calorimeter upgrade
2015 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Abstract [en]

The Large Hadron Collider (LHC) at the CERN laboratory was designed to study the elementary particles and forces and search for new physics.  Detectors at LHC were designed to observe proton-proton collisions with center of mass energies up to 14 TeV, seven times higher than previously possible. One of the largest of these is the general purpose detector ATLAS. After almost 20 years of planning and construction, LHC and its detectors were finished in 2008. Since then ATLAS has produced valuable data, which contributed to the discovery of the 1964 postulated Higgs-particle and thus to the Nobel prize in physics in 2013. To expand the searches, LHC and its detectors will undergo several upgrades to the increase luminosity at least by a factor of 5 and to exploit the full potential of the machine. In order to adapt the detector to the resulting increasing event rates and radiation levels, new electronics have to be developed.

This thesis describes the development process of a new upgraded digital readout system for one of the sub-detectors in ATLAS, the scintillating Tile Calorimeter (TileCal), and more specifically one of its key components, the high-speed data link DaughterBoard. Starting from the idea of transferring all recorded information of the detector using high speed serial optical links and the concept of using re-programmable logic for the readout electronics, completely new on-detector electronics were designed to be used as a core component for communication, control and monitoring. The electronics was tested, electrical characterized and proven to work in a setup similar to the upgraded readout electronics. The DaughterBoard is the Stockholm University contribution to the ATLAS upgrade in 2023.

Ort, förlag, år, upplaga, sidor
Stockholm: Department of Physics, Stockholm Univeristy, 2015. s. 111
Nyckelord
Digital electronics, FPGA, Data acquisition, Detector readout
Nationell ämneskategori
Fysik
Forskningsämne
fysik
Identifikatorer
urn:nbn:se:su:diva-116258 (URN)978-91-7649-177-5 (ISBN)
Disputation
2015-05-28, sal FB42, AlbaNova universitetscentrum, Roslagstullsbacken 21, Stockholm, 13:00 (Engelska)
Opponent
Handledare
Tillgänglig från: 2015-05-06 Skapad: 2015-04-16 Senast uppdaterad: 2020-02-05Bibliografiskt granskad

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Muschter, SteffenÅkerstedt, HenrikBohm, Christian
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Totalt: 104 träffar
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