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Status of DMRadio-50L and DMRadio-m$^3$

Journal Article · · SciPost Physics Proceedings

Recent theoretical advancements have made the QCD axion a stronger dark matter candidate, especially in the sub- \mu μ eV range. While cavity haloscopes have made significant progress in excluding QCD axions in the 1-100 \mu μ eV region, the 1 peV- 1 \mu μ eV region remains unexplored. The DMRadio program consists of a series of experiments designed to probe low mass axions. DMRadio-50L uses a 1 T average field toroidal magnet and a high-Q LC-oscillator with target sensitivity to axions of g_{a\gamma\gamma} < 5 \times 10^{-15}\text{ GeV}^{-1} g a γ γ < 5 × 10 15 GeV 1 between 5 kHz and 5 MHz. DMRadio-m ^3 3 consists of a higher frequency LC-oscillator in a 4 T peak field solenoidal magnet with sensitivity to the DFSZ model of QCD axions between 30 MHz and 200 MHz. In this work, we present the status of DMRadio-50L and DMRadio-m ^3. 3 .

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0015655; SC0019225
OSTI ID:
1988098
Journal Information:
SciPost Physics Proceedings, Journal Name: SciPost Physics Proceedings Journal Issue: 12; ISSN 2666-4003
Publisher:
Stichting SciPostCopyright Statement
Country of Publication:
Netherlands
Language:
English

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