PoS - Proceedings of Science
Volume 441 - XVIII International Conference on Topics in Astroparticle and Underground Physics (TAUP2023) - Dark Matter and its Detection
Science reach and electromagnetic modeling of DMRadio-m$^3$
N. Rapidis*  on behalf of the DMRadio collaboration
Full text: pdf
Pre-published on: January 25, 2024
Published on: March 22, 2024
The DMRadio suite of experiments uses lumped LC resonators to search for axions in lower frequency ranges than those accessible to cavity haloscopes. DMRadio-m$^3$ has sensitivity to DFSZ axions in the 30--200 MHz range corresponding to masses of $0.12\ \mu\text{eV}/c^2 < m_a < 0.83\ \mu\text{eV}/c^2$, and KSVZ axions in the 10--30 MHz range, corresponding to masses of $41\ \text{neV}/c^2 < m_a < 0.12\ \mu\text{eV}/c^2$ range. In this paper we present the design of DMRadio-m$^3$ as well as the method to extract the sensitivity of this experiment in a general form which applies to frequencies where the Compton wavelength of the axions is within a factor of order unity of the dimension of the detector. We also discuss the motivation and plan to use several coaxial pickup structures to cover the entire frequency range of the experiment.
DOI: https://doi.org/10.22323/1.441.0063
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