Bonn 2020 – scientific programme
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T: Fachverband Teilchenphysik
T 46: Detector systems III
T 46.7: Talk
Wednesday, April 1, 2020, 18:05–18:20, H-HS II
Tests for the Demonstrator of the High-Granularity Timing Detector — Peter Bernhard2, Andrea Brogna2, Lucia Masetti1, Marisol Robles1, •Jens Söngen1, and Quirin Weitzel2 — 1Johannes Gutenberg-Universität, Staudingerweg 7, 55128 Mainz — 2PRISMA Detector Lab, Staudingerweg 9, 55128 Mainz
The high-luminosity upgrade of the LHC (HL-LHC) is foreseen to start operating in 2026 and will boost the sensitivity of the Standard Model measurements and searches for new particles substantially. However, the increased instantaneous luminosity of up to 7.5×1034 cm−2 s−1 also implies rising requirements to the ATLAS detector. In order to guarantee the correct assignment of particles from hard-scattering events, a silicon-based High-Granularity Timing Detector (HGTD) is planned to mitigate the effect of pile-up, in the endcaps. The next major R&D step is the building of a demonstrator, which serves two essential purposes. First, it offers the oppurtunity to study the performance of all detector components (e.g. sensors and electronics) under realistic conditions. Second, it tests the practicability of the production process and helps to optimize it. This talk presents the basic design of the HGTD demonstrator to test mechanical and thermal conditions as well the total detector capability. Furthermore, it reports on the validation of assembly and quality assurance procudures.