Heidelberg 2022 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 97: Electronics 1
T 97.5: Vortrag
Donnerstag, 24. März 2022, 17:15–17:30, T-H28
FPC design and prototype for the ATLAS High Granularity Timing Detector Demonstrator — •Maria de la Soledad Robles Manzano1, Peter Bernhard2, Andrea Brogna2, Atila Kurt2, Karl-Heinz Geib1, Lucia Masetti1, Binh Pham2, Steffen Schoenfelder2, and Quirin Weitzel2 — 1Institut für Physik, Johannes-Gütenberg Universität Mainz — 2PRISMA+ Detector Lab, Johannes-Gütenberg Universität Mainz
The ATLAS detector requires upgrades to face the challenges of the new HL-LHC, mainly the increase of pile-up interactions. The High-Granularity Timing Detector (HGTD) will be built in order to mitigate the effects of pile-up in the ATLAS forward region, providing a time resolution of about 30 ps per track. The active area consists of 2-double-sided disks per end-cap. The HGTD basic unit, so-called module, is made up of two 2x2 cm2 Low Gain Avalanche Detectors bump-bonded to two ASICs and glued to a flexible PCB. The modules are connected to the Peripheral Electronics Boards, surrounding the active area, via a Flexible Printed Circuit (Flex tail) that serves as interconnection for power, communication signals and HV bias. As part of the HGTD R&D phase, a demonstrator is proposed to test the functionality and assembly of a subset of components of the full detector. The design and tests of a Flex tail prototype in the context of an overall description of the demonstrator activities are presented.