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Search for invisible axion dark matter of mass m_a=43~μeV with the QUAX--aγ experiment

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arxiv 2012.09498 v2 pith:WTKCB44M submitted 2020-12-17 hep-ex physics.ins-det

Search for invisible axion dark matter of mass m_a=43~μeV with the QUAX--aγ experiment

D. Alesini , C. Braggio , G. Carugno , N. Crescini , D. D'Agostino , D. Di Gioacchino , R. Di Vora , P. Falferi
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U. Gambardella C. Gatti G. Iannone C. Ligi A. Lombardi G. Maccarrone A. Ortolan R. Pengo A. Rettaroli G. Ruoso L. Taffarello S. Tocci
This is my paper
classification hep-ex physics.ins-det
keywords gammacavityexperimentaxiongalacticlimitmassquax--
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A haloscope of the QUAX--$a\gamma$ experiment composed of an oxygen-free high thermal conductivity-Cu cavity inside an 8.1 T magnet and cooled to $\sim200$ mK is put in operation for the search of galactic axion with mass $m_a\simeq43~\mu\text{eV}$. The power emitted by the resonant cavity is amplified with a Josephson parametric amplifier whose noise fluctuations are at the standard quantum limit. With the data collected in about 1 h at the cavity frequency $\nu_c=10.40176$ GHz, the experiment reaches the sensitivity necessary for the detection of galactic QCD-axion, setting the $90\%$ confidence level limit to the axion-photon coupling $g_{a\gamma\gamma}<0.639\times10^{-13}$ GeV$^{-1}$.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A Near-Cutoff Waveguide Haloscope for sub-meV Dark Matter

    hep-ph 2026-05 unverdicted novelty 7.0

    A novel waveguide haloscope concept using near-cutoff slow-wave response for sub-meV bosonic dark matter, projecting dark photon sensitivity of ε≈2.1×10^{-15} at 0.1 meV.

  2. Lights, Camera, Axion: Tracing Axions from Supernovae in the Diffuse $\gamma$-ray Sky

    hep-ph 2026-04 unverdicted novelty 7.0

    Axions produced in supernovae generate a diffuse gamma-ray signal through conversion in magnetic fields, yielding competitive constraints on the axion-photon coupling from COMPTEL, EGRET, and Fermi-LAT data plus forec...

  3. Searching for axions with quantum interferometry

    hep-ph 2026-04 unverdicted novelty 6.0

    Axion-photon coupling imprints measurable Aharonov-Bohm and Berry phases in superconducting circuits and interferometers, projecting sensitivity to g_aγγ ~ 7.8e-14 GeV^{-1} at m_a ~ 1e-10 eV.

  4. Resonant enhancement of axion dark matter decay

    hep-ph 2025-07 unverdicted novelty 6.0

    Resonant cavities enhance axion dark matter decay to two photons via the Purcell effect, offering a competitive search method implementable with pre-existing heterodyne detection schemes.

  5. A study of multicavity concept applied to hexagonal coaxial haloscopes

    hep-ex 2026-05 unverdicted novelty 5.0

    Triple-subcavity hexagonal coaxial haloscopes with prism rotation tuning deliver a threefold improvement in scanning rate over single-cavity baselines at 30 GHz while remaining feasible under 25 mm radial constraints.