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Integration of the trigger and data acquisition systems in ATLAS.

ATLAS, TDAQ authorlist and Smizanska, Maria (2008) Integration of the trigger and data acquisition systems in ATLAS. Journal of Physics: Conference Series, 119. 022001. ISSN 1742-6596

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Abstract

During 2006 and the first half of 2007, the installation, integration and commissioning of trigger and data acquisition (TDAQ) equipment in the ATLAS experimental area have progressed. There have been a series of technical runs using the final components of the system already installed in the experimental area. Various tests have been run including ones where level 1 preselected simulated proton-proton events have been processed in a loop mode through the trigger and dataflow chains. The system included the readout buffers containing the events, event building, level 2 and event filter trigger algorithms. The scalability of the system with respect to the number of event building nodes used has been studied and quantities critical for the final system, such as trigger rates and event processing times, have been measured using different trigger algorithms as well as different TDAQ components. This paper presents the TDAQ architecture, the current status of the installation and commissioning and highlights the main test results that validate the system.

Item Type: Article
Journal or Publication Title: Journal of Physics: Conference Series
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 26339
Deposited By: Dr Maria Smizanska
Deposited On: 01 May 2009 16:09
Refereed?: Yes
Published?: Published
Last Modified: 17 Nov 2017 10:13
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/26339

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