Bonn 2020 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 82: Pixel detectors IV

T 82.1: Vortrag

Donnerstag, 2. April 2020, 16:30–16:45, L-2.004

Simulation Studies on the Robustness of the ATLAS Pixel Detector for the HL-LHC — •Timo Dreyer, Stan Lai, and Kira Abeling — Georg-August-Universität Göttingen

Around 2026, the LHC will start its high luminosity phase (HL-LHC), during which more than 3000 fb−1 of pp collision data is expected to be delivered. In addition to the physics benefits of the increased amount of data, new technical challenges will arise. These include an increased amount of pileup in the events and exposure of the detector components to larger radiation doses.

To face these challenges, the ATLAS experiment will undergo a major upgrade during the long shutdown 3 that will precede the HL-LHC phase. The current inner detector will be completely replaced by a new silicon based inner tracker (ITk) consisting of an inner pixel detector and an outer silicon strip detector.

This talk presents studies performed to evaluate the robustness of the planned ITk pixel detector under defects of sub-components. The methodology for masking pixel modules and front-ends is introduced and comparisons between the expected performance under different failure modes are presented.

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