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Introducing DMRadio-GUT, a search for GUT-scale QCD axions

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arxiv 2203.11246 v1 pith:4HLA24KX submitted 2022-03-21 hep-ex hep-ph

L. Brouwer , S. Chaudhuri , H.-M. Cho , J. Corbin , C. S. Dawson , A. Droster , J. W. Foster , J. T. Fry
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P. W. Graham R. Henning K. D. Irwin F. Kadribasic Y. Kahn A. Keller R. Kolevatov S. Kuenstner A. F. Leder D. Li J. L. Ouellet K. M. W. Pappas A. Phipps N. M. Rapidis B. R. Safdi C. P. Salemi M. Simanovskaia J. Singh E. C. van Assendelft K. van Bibber K. Wells L. Winslow W. J. Wisniewski B. A. Young
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classification hep-exhep-ph
keywords axiongut-scaleaxionscouplingmodelsearchstandardadvances
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The QCD axion is a leading dark matter candidate that emerges as part of the solution to the strong CP problem in the Standard Model. The coupling of the axion to photons is the most common experimental probe, but much parameter space remains unexplored. The coupling of the QCD axion to the Standard Model scales linearly with the axion mass; therefore, the highly-motivated region 0.4-120 neV, corresponding to a GUT-scale axion, is particularly difficult to reach. This paper presents the design requirements for a definitive search for GUT-scale axions and reviews the technological advances needed to enable this program.

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Cited by 6 Pith papers

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

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

    hep-ph 2026-06 unverdicted novelty 7.0 of 10

    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.

  2. Ferromagnetic broadband sensing of axionlike dark matter

    hep-ex 2026-06 unverdicted novelty 6.0 of 10

    A ferromagnetic levitated magnetometer with double-resonance mode reaches 0.7 fT magnetic resolution at 276 Hz and sets new direct limits on axionlike dark matter photon coupling g_aγ ~10^{-7} GeV^{-1} in the 40-3000 ...

  3. DMRadio-Core: A new approach for GUT-scale axion searches

    hep-ex 2026-04 unverdicted novelty 6.0 of 10

    A segmented solenoid and external-resonator geometry reduces required magnetic energy for neV-scale axion searches while aiming to keep sensitivity intact.

  4. DMRadio-Core: A new approach for GUT-scale axion searches

    hep-ex 2026-04 conditional novelty 6.0 of 10

    Electroweak-symmetric domain walls produce the observed baryon asymmetry when CP-odd sources and the hierarchy of wall, source, and diffusion lengths suppress face-to-face cancellation.

  5. Highly Excited Electron Cyclotron for QCD Axion and Dark-Photon Detection

    hep-ph 2024-10 unverdicted novelty 6.0 of 10

    Proposes resonant detection of QCD axions (0.1-2.3 meV) and dark photons (down to epsilon ~2e-16) via highly excited electron cyclotron states in an open-endcap Penning trap compatible with large cavities.

  6. No Evidence for Superradiant Axions in LIGO-Virgo-KAGRA GWTC-5 Binary Black Hole Spins

    hep-ph 2026-07 unverdicted novelty 5.0 of 10

    Hierarchical Bayesian analysis of GWTC-5 binary black hole spins finds no evidence for superradiant axions and excludes masses 1.7e-14 to 3.3e-12 eV at 95% CL.

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