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.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 22001 |
| Number of pages | 1 |
| Journal | Journal of Physics: Conference Series |
| Volume | 119 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jul 1 2008 |
ASJC Scopus subject areas
- General Physics and Astronomy
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In: Journal of Physics: Conference Series, Vol. 119, No. 2, 01.07.2008, p. 22001.
Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Integration of the trigger and data acquisition systems in ATLAS
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PY - 2008/7/1
Y1 - 2008/7/1
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=50849120044&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=50849120044&partnerID=8YFLogxK
U2 - 10.1088/1742-6596/119/2/022001
DO - 10.1088/1742-6596/119/2/022001
M3 - Article
AN - SCOPUS:50849120044
SN - 1742-6588
VL - 119
SP - 22001
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - 2
ER -