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Development and Test of the ATLAS Tile Calorimeter Digitizer
Stockholm University, Faculty of Science, Department of Physics.
2004 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The new LHC particle accelerator now being built at CERN will have a radically increased event rate and higher energy. To accommodate this, instrumentation for LHC experiments has had to be constructed using new ideas and the latest available technology. A part of this effort was the development and test of a digitizer unit for the hadron calorimeter (TileCal) of the ATLAS experiment.

To try out ideas and promote system integration, prototypes were tested in a subsystem using a particle beam to simulate the final conditions. During the development of these prototypes an application-specific integrated circuit was constructed to control the digitizer system. Tests made at the test beam facility have verified that all requirements were met.

The final digitizer design and its components were radiation tested to verify full functionallity in its radiation environment during the full ATLAS life-span. Test devices were also constructed to test all production units.

In addition to the digitizer system, an optical readout link was designed to meet the requirements for the digitizer readout.

Preliminary studies indicate that the digitizer could also be used in an upgraded LHC, with presently considered scenarios.

Place, publisher, year, edition, pages
Stockholm: Fysikum , 2004. , 75 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-306ISBN: 91-7265-973-4 (print)OAI: oai:DiVA.org:su-306DiVA: diva2:192248
Public defence
2004-12-21, sal FD5, AlbaNova universitetscentrum, Roslagstullsbacken 21, Stockholm, 13:00 (English)
Opponent
Supervisors
Available from: 2004-11-30 Created: 2004-11-30 Last updated: 2010-01-11Bibliographically approved
List of papers
1. The ATLAS Tile Calorimeter Digitizer
Open this publication in new window or tab >>The ATLAS Tile Calorimeter Digitizer
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1998 In: Proceedings of the Fourth Workshop on Electronics for LHC Experiments, 1998, 246-249 p.Chapter in book (Other academic) Published
Identifiers
urn:nbn:se:su:diva-23467 (URN)
Note
Part of urn:nbn:se:su:diva-306Available from: 2004-11-30 Created: 2004-11-30Bibliographically approved
2. The ATLAS Tile Calorimeter Digitizer
Open this publication in new window or tab >>The ATLAS Tile Calorimeter Digitizer
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1999 (English)In: Proceedings of the Fifth Workshop on Electronics for LHC Experiments, 1999, 255-259 p.Chapter in book (Other academic)
Identifiers
urn:nbn:se:su:diva-34658 (URN)9290831472 (ISBN)
Available from: 2010-01-11 Created: 2010-01-11 Last updated: 2010-01-11Bibliographically approved
3. The ATLAS Tile Calorimeter Digitizer
Open this publication in new window or tab >>The ATLAS Tile Calorimeter Digitizer
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1999 In: 1999 IEEE Nuclear Science Symposium: Conference Record, vol. 2, 1999, 760-764 p.Chapter in book (Other academic) Published
Identifiers
urn:nbn:se:su:diva-23469 (URN)
Note
Part of urn:nbn:se:su:diva-306Available from: 2004-11-30 Created: 2004-11-30Bibliographically approved
4. Production and Test of the ATLAS Hadronic Calorimeter Digitizer
Open this publication in new window or tab >>Production and Test of the ATLAS Hadronic Calorimeter Digitizer
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2001 In: Proceedings of the Seventh Workshop on Electronics for LHC Experiments, 2001, 305-308 p.Chapter in book (Other academic) Published
Identifiers
urn:nbn:se:su:diva-23470 (URN)92-9083-188-0 (ISBN)
Note
Part of urn:nbn:se:su:diva-306Available from: 2004-11-30 Created: 2004-11-30Bibliographically approved
5. An Optical Link Interface for the TileCalorimeter in ATLAS
Open this publication in new window or tab >>An Optical Link Interface for the TileCalorimeter in ATLAS
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2001 In: Proceedings of the Seventh Workshop on Electronics for LHC Experiments, 2001, 179-181 p.Chapter in book (Other academic) Published
Identifiers
urn:nbn:se:su:diva-23471 (URN)92-9083-188-0 (ISBN)
Note
Part of urn:nbn:se:su:diva-306Available from: 2004-11-30 Created: 2004-11-30Bibliographically approved
6. Functional irradiation tests of the Atlas TileCal Digitizer using FPGA testbenches
Open this publication in new window or tab >>Functional irradiation tests of the Atlas TileCal Digitizer using FPGA testbenches
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2002 In: Proceedings of the Eighth Workshop on Electronics for LHC Experiments, 2002, 389-391 p.Chapter in book (Other academic) Published
Identifiers
urn:nbn:se:su:diva-23472 (URN)92-9083-202-9 (ISBN)
Note
Part of urn:nbn:se:su:diva-306Available from: 2004-11-30 Created: 2004-11-30Bibliographically approved
7. ATLAS TileCal Digitizer Test System and Quality Control
Open this publication in new window or tab >>ATLAS TileCal Digitizer Test System and Quality Control
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2004 (English)In: CERN Note: ATL-TILECAL-2004-009Article in journal (Refereed) Published
Abstract [en]

This document describes the tests of the quality control procedure for the ATLAS TileCal digitizer unit. Since the ATLAS detector will fill most of the space in the detector cavity it will be difficult to disassemble parts of the detector. Therefore quality control is extremely important for every part of ATLAS. In Stockholm the digitizer units are tested in a testbench to ensure functionality and reliability in the ATLAS environment. The document includes a brief description of the ATLAS TileCal digitizer system and a description of the testbench setup. It also includes a description of the tests preformed and of the quality control procedure developed in Stockholm together with a production status.

Keyword
TileCal, Test system, Stockholm testbench
National Category
Physical Sciences
Identifiers
urn:nbn:se:su:diva-23473 (URN)
Available from: 2004-11-30 Created: 2004-11-30 Last updated: 2014-10-02Bibliographically approved
8. ATLAS TileCal Timing
Open this publication in new window or tab >>ATLAS TileCal Timing
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2004 (English)In: CERN Note: ATL-TILECAL-2004-008Article in journal (Refereed) Published
Abstract [en]

The ATLAS TileCal digitizer boards are designed to compensate for time delays in the calorimeter modules. In this report a method is described to determine the time delays and how to correct for them. The analysis is made using testbeam pion data from 2002 and 2003. The result shows that the sampling clock of the digitizers in the barrel calorimeter can be adjusted in such a way that there always is one sample within 1.5 ns from the pulse peak.

Keyword
Timing, Calculated time, clock40des, digitizer, pipeline offset, in-clock
National Category
Physical Sciences
Identifiers
urn:nbn:se:su:diva-23474 (URN)
Available from: 2004-11-30 Created: 2004-11-30 Last updated: 2014-10-02Bibliographically approved

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