Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 14: DAQ and Trigger 1

T 14.4: Vortrag

Montag, 21. März 2022, 17:00–17:15, T-H27

Calibration of the analogue signal path of the Level-1 Calorimeter Trigger after the ATLAS Phase-I upgrade — •Thomas Junkermann — Kirchhoff-Institut für Physik, Heidelberg

The Phase-I Upgrade of the ATLAS Level-1 Calorimeter Trigger targets a finer granularity of the spatial information of energy depositions when selecting events. To process the higher amounts of data a new digital trigger is installed. Therefore new electronic components get introduced in the on-detector electronics leading up to the trigger. These components effect the old analog trigger system and re-calibration of it is needed as it will be run in Run 3 parallel to the new system. Examples for the effects of the new components on the legacy system are the introduction of time delays to certain signal parts and amplitude losses. The effects are measured and corrected for by re-adjusting the calibration of various components.