SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 89: DM, Neutrino Theory

T 89.3: Vortrag

Mittwoch, 22. März 2023, 18:00–18:15, POT/0251

Towards a low-background SDD for IAXO — Joanna Bilicki, Frank Edzards, Susanne Mertens, Lucinda Schönfeld, Juan Pablo Ulloa Beteta, •Christoph Wiesinger, and Michael Willers — Physik-Department, Technische Universität München, Garching

The International Axion Observatory (IAXO) aims to detect solar axions as they are back-converted into X-rays along a strong magnet pointed towards the sun Excellent spectroscopic performance, high X-ray absorption efficiency at and below 10 keV and great potential for ultra-low background operations are features of silicon drift detectors (SSDs) that could facilitate this endeavour. Dedicated low-background detector designs, following a consequent passive shielding strategy and a novel all-semiconductor active shield approach, are under development. A background demonstrator has been installed at the Canfranc underground laboratory in Spain. In this talk, we will report on the latest achievement towards a low-background SDD for IAXO. This work has been supported by the DFG through the Excellence Cluster ORIGINS.