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DOE OSTI · 1656591

Axion dark matter detection by superconducting resonant frequency conversion

Berlin, Asher·D’Agnolo, Raffaele Tito·Ellis, Sebastian R.·Nantista, Christopher·Neilson, Jeffrey·Schuster, Philip·Tantawi, Sami·Toro, Natalia·Zhou, Kevin
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Abstract

We propose an approach to search for axion dark matter with a specially designed superconducting radio frequency cavity, targeting axions with masses ma ≲ 10 -6 eV. Our approach exploits axion-induced transitions between nearly degenerate resonant modes of frequency ~ GHz. A scan over axion mass is achieved by varying the frequency splitting between the two modes. Compared to traditional approaches, this allows for parametrically enhanced signal power for axions lighter than a GHz. The projected sensitivity covers unexplored parameter space for QCD axion dark matter for 10 -8 eV ≲ ma ≲ 10 -6 eV and axion-like particle dark matter as light as ma~ 10 -14 eV.

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDSBeyond standard modeldark matterdark matter and double beta decay (experiments)

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Berlin, Asher, D’Agnolo, Raffaele Tito, Ellis, Sebastian R., Nantista, Christopher, Neilson, Jeffrey, Schuster, Philip, Tantawi, Sami, Toro, Natalia, Zhou, Kevin. 2020-07-14. Axion dark matter detection by superconducting resonant frequency conversion. https://doi.org/10.1007/jhep07(2020)088

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