Abstract
The ATLAS collaboration at CERN operated a combined test beam (CTB) from May until November 2004. The prototype of ATLAS data acquisition system (DAQ) was used to integrate other subsystems into a common CTB setup. Data were collected synchronously from all the ATLAS detectors, which represented nine different detector technologies. Electronics and software of the first level trigger were used to trigger the setup. Event selection algorithms of the high level trigger were integrated with the system and were tested with real detector data. A possibility to operate a remote event filter farm synchronized with ATLAS TDAQ was also tested. Event data, as well as detectors conditions data were made available for offline analysis
Highlights
THE ATLAS experiment at the Large Hadron Collider at CERN is expected to start taking data in 2007
We present the combined test beam and discuss the integration of various components of the ATLAS detector, Trigger, and data acquisition system (DAQ) that was accomplished during the CTB
Up to 60 DAQ controllers were used to provide Run Control commands to all the software of the CTB setup
Summary
THE ATLAS experiment at the Large Hadron Collider at CERN is expected to start taking data in 2007. The experiment is described in another article in these proceedings [1]. We first introduce the experiment’s Trigger and Data Acquisition system (TDAQ). We present the combined test beam and discuss the integration of various components of the ATLAS detector, Trigger, and DAQ that was accomplished during the CTB
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