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T: Fachverband Teilchenphysik

T 102: Axions/ALPs III

T 102.5: Talk

Friday, March 20, 2026, 10:00–10:15, KH 02.019

3D simulations of a dielectric haloscope for axion dark matter detection, MADMAX — •Sebastian Baltschun for the MADMAX collaboration — III. Physikalisches Institut A, RWTH Aachen University

Axions are promising candidates for cold dark matter and the absence of CP violation in strong interaction. The MAgnetized Disc and Mirror Axion eXperiment is a planned dielectric haloscope experiment targeting axion dark matter in a mass range of 40 to 400 micro eV. It consists of multiple, consecutive and movable dielectric discs to amplify the weak microwave signal of axion photon conversion in a strong magnetic field.

This talk discusses the 3D simulation used to calculate the amplification factor of a certain disk configuration and differences between a narrowband scan and a broadband scan, two different strategies towards positioning disks.

Keywords: MADMAX; axion; dark matter; haloscope; optimization