Erlangen 2026 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 76: Silicon Detectors VII

T 76.2: Vortrag

Donnerstag, 19. März 2026, 16:30–16:45, KH 01.022

Development of a DMAPS-based beam telescope — •Wiebke Buhmann, Christian Bespin, Jochen Dingfelder, Fabian Hügging, Nico Klein, Hans Krüger, Rasmus Partzsch, Lars Schall, and Alexander Walsemann — Physikalisches Institut der Universität Bonn, Bonn, Germany

Testbeam telescopes serve as high-resolution tracking devices in beam test experiments. A new beam telescope is proposed to utilize depleted monolithic active pixel sensors (DMAPS) combining fast charge collection with high spatial resolution and low material budget.

The first iteration will use TJ-Monopix2 sensors that provide a spatial resolution of <10um and time resolution <2ns with 40MHz hit-timestamping. These characteristics make the telescope applicable for low momenta and high-rate beam environments.

In this contribution, the current development status regarding the data acquisition system, control software and mechanics will be presented. Additionally first test-beam results with TJ-Monopix2 optimized for these conditions will be shown.

Keywords: Telescope; Testbeam; Monolithic; Pixel; DMAPS