Erlangen 2026 – scientific programme
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T: Fachverband Teilchenphysik
T 30: Silicon Detectors III
T 30.4: Talk
Tuesday, March 17, 2026, 17:00–17:15, KH 01.012
Analysis of de-tuning behaviour of the ATLAS Insertable B-Layer during LHC Run 2 and Run 3 — •Johannes Klas1, Kerstin Lantzsch1, and Sergi Rodriguez Bosca2 — 1Universität Bonn — 2CERN
Over time the ATLAS pixel detector has been re-tuned many times. Either due to a change of the tuning set-points, routine retuning after a shutdown, or, in the case of the 2014 installed Insertable B-Layer (IBL), due to de-tuning because of irradiation. Effects like the TID had a severe impact on the tuning of IBL at the start of LHC Run 2. While this concrete behaviour of the de-tuning was studied systematically during the start of Run 2 for IBL, it has not been done in such detail thereafter. Tuning data for the full Run 2 and partial Run 3 was collected and analysed to gain a better understanding of the de-tuning behaviour on a larger timeline and document the overall evolution of the relevant parameters.
Keywords: ATLAS; Pixel Detector; Detector Operation