SMuK 2023 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 19: Detector Systems, Electronics
T 19.5: Vortrag
Montag, 20. März 2023, 17:30–17:45, POT/0106
FPC prototype tests and results for the ATLAS High Granularity Timing Detector Demonstrator — •Maria Soledad Robles Manzano1, Andrea Brogna2, Jan Ehrecke1, Atila Kurt2, Lucia Masetti1, Jigar Patel1, Binh Pham2, Fabian Piermaier2, Steffen Schoenfelder2, Quirin Weitzel2, and Patricia Theobald2 — 1Institut für Physik, Johannes Gutenberg-Universität Mainz — 2PRISMA Detektorlabor, Johannes Gutenberg-Universität Mainz
The ATLAS detector requires upgrades to face the challenges of the new High Luminosity LHC, in particular 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 time information with a 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. A prototype of different lengths of the flex tail for a small scale, but full chain HGTD demonstrator has been produced and tested. The tests results of both electrical and mechanical performance of the prototype are presented.