SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 112: DAQ Test/RO – GRID I

T 112.3: Vortrag

Donnerstag, 23. März 2023, 16:20–16:35, HSZ/0301

Scan Automated Testing for the ATLAS Pixel Detector — Marcello Bindi, Arnulf Quadt, and •Chris Scheulen — II. Physikalisches Institut, Georg-August Universität Göttingen

The ATLAS Pixel detector data acquisition system (DAQ) is distributed over several different physical components, such as front-end detector modules, read-out drivers, and PCs for operating and calibrating the detector. As a result, time-consuming manual tests are currently required to ensure the correct operation of the entire system after software or firmware changes in any one component. After the first year of detector operation during Run 3, this represents a bottleneck to the development work carried out during the end-of-year shutdown on the basis of the experience collected, such as observed dead-time desynchronisation instabilities.

To simplify software validation and free up manpower, a suite of automated tests is being developed for deployment in the DAQ software’s continuous integration system on GitLab. Fully automated testing is only possible without involvement of the detector modules, whose operation requires some degree of manual supervision. Therefore, emulated detector responses are used for tests of read-out chain components under exclusion of the detector modules themselves.

This talk will provide a brief overview of required improvements to the Pixel detector’s DAQ system based on the operational experience collected during the first data-taking year of Run 3. A special focus will be placed on the development of the automated testing framework being used to validate this firmware and software development.