Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 12: Pixel Detectors

T 12.1: Vortrag

Montag, 21. März 2022, 16:15–16:30, T-H25

ATLAS ITk Pixel Detector Quad Module Building and Testing for the HL-LHC Upgrade — Jörn Große-Knetter, Arnulf Quadt, •Yusong Tian, and Hua Ye — II. Physikalisches Institut, Georg-August-Universität Göttingen

In the ATLAS detector upgrade for the High-Luminosity LHC (HL-LHC), the current Inner Detector will be upgraded to an all-silicon Inner Tracker (ITk), to operate under higher occupancy and radiation damage resulting from the higher luminosity. The pixel detector is the inner-most layer of the ITk, shaped like a cylinder with about 0.4m radius and 6m long. It is assembled with barrels and end-cap rings made of single and quad-chip modules. Each module is assembled with a bare module and a printed circuit board (PCB). A quad bare module consists of one sensor bump-bonded to 4 front-end readout chips. RD53A is the name for the front-end readout chip prototype, the name for the final version is ITkPix. The modules are referred to with the name of the front-ends. This talk shows the module assembly and testing results.