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A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment

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arxiv 1804.05750 v2 pith:LH5ULTU3 submitted 2018-04-16 hep-ex astro-ph.COphysics.ins-det

A Search for Invisible Axion Dark Matter with the Axion Dark Matter Experiment

classification hep-ex astro-ph.COphysics.ins-det
keywords axiondarkinvisiblemattersearchhaloscopemassesnoise
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This Letter reports results from a haloscope search for dark matter axions with masses between 2.66 and 2.81 $\mu$eV. The search excludes the range of axion-photon couplings predicted by plausible models of the invisible axion. This unprecedented sensitivity is achieved by operating a large-volume haloscope at sub-kelvin temperatures, thereby reducing thermal noise as well as the excess noise from the ultra-low-noise SQUID amplifier used for the signal power readout. Ongoing searches will provide nearly definitive tests of the invisible axion model over a wide range of axion masses.

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Cited by 11 Pith papers

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

  1. Resonant heterodyne conversion applied to a low-frequency haloscope for dark matter axion searches in the 1-35 MHz range

    hep-ex 2026-06 unverdicted novelty 7.0

    Resonant heterodyne conversion is derived and applied to a two-port haloscope cavity to enable axion searches from 0.9 to 34.6 MHz with projected reach to g_{aγ} = 10^{-15} GeV^{-1}.

  2. Are Primordial Black Holes a Natural Dark Matter Candidate?

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    PBH dark matter spans all naturalness tiers, with some mechanisms as natural as WIMPs or freeze-in particles, determined by abundance map structure rather than candidate type.

  3. 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...

  4. Landau-Zener formula and resonant axion conversion in neutron star magnetospheres

    hep-ph 2026-06 unverdicted novelty 6.0

    The Landau-Zener approximation for axion-photon conversion in neutron star magnetospheres fails when resonance width exceeds conversion region size, leading to revised axion constraints from optical-band searches.

  5. 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.

  6. Transient axion streams from disrupted miniclusters

    astro-ph.GA 2026-05 unverdicted novelty 5.0

    Axion streams from stellar disruptions of miniclusters dilute by factors up to 10^{-9}, making persistent dense streams rare near the Sun, while producing narrow linewidths of 10^{-7} to 10 Hz in haloscopes.

  7. Audible Axion Magnetogenesis: Linking Intergalactic Magnetic Fields and Gravitational Waves

    hep-ph 2026-05 unverdicted novelty 5.0

    Axion-like particles in the trapped misalignment mechanism produce observable gravitational waves while generating intergalactic magnetic fields that exceed blazar lower bounds in the parameter space promising for gra...

  8. Dark Matter Energy Deposition and Production from the Table-Top to the Cosmos

    hep-ph 2019-07 unverdicted novelty 5.0

    The thesis presents a new 3-to-2 freezeout mechanism, bound-state effects on searches, a new axion interferometric search, reionization assessments, 21-cm constraints, and the DarkHistory code for ionization and therm...

  9. Probing Long-Lived Particle Production in Muon Decays at the SNS with a Highly Capable Hydrocarbon Detector

    hep-ex 2026-06 unverdicted novelty 4.0

    Proposes a hydrocarbon detector at SNS for order-of-magnitude better sensitivity to 10-100 MeV axion-like particles and heavy neutral leptons via e+e- decays from muon decays at rest.

  10. Bridging the divide: axion searches and axino phenomenology at colliders

    hep-ph 2025-11 unverdicted novelty 4.0

    In supersymmetric DFSZ axion models, the LHC with 140 fb^{-1} can probe axion decay constants below 10^{11} GeV for higgsino masses under 1 TeV via displaced neutralino decays to axino LSPs.

  11. Axions as Dark Matter, Dark Energy, and Dark Radiation

    hep-ph 2025-09 unverdicted novelty 2.0

    A mini-review of axion phenomenology showing how light bosons can account for dark matter, drive cosmic acceleration, or contribute to relativistic backgrounds in the early and late Universe.