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Constraints on axion-like dark matter from a SERF comagnetometer

Author

Listed:
  • Itay M. Bloch

    (University of California
    Lawrence Berkeley National Laboratory)

  • Roy Shaham

    (Rafael Ltd.
    Weizmann Institute of Science)

  • Yonit Hochberg

    (Hebrew University of Jerusalem)

  • Eric Kuflik

    (Hebrew University of Jerusalem)

  • Tomer Volansky

    (Tel Aviv University)

  • Or Katz

    (Duke University
    Cornell University)

Abstract

Ultralight axion-like particles are well-motivated relics that might compose the cosmological dark matter and source anomalous time-dependent magnetic fields. We report on terrestrial bounds from the Noble And Alkali Spin Detectors for Ultralight Coherent darK matter (NASDUCK) collaboration on the coupling of axion-like particles to neutrons and protons. The detector uses nuclei of noble-gas and alkali-metal atoms and operates in the Spin-Exchange Relaxation-Free (SERF) regime, achieving high sensitivity to axion-like dark matter fields. Conducting a month-long search, we cover the mass range of 1.4 × 10−12 eV/c2 to 2 × 10−10 eV/c2 and provide limits which supersede robust astrophysical bounds, and improve upon previous terrestrial constraints by over two orders of magnitude for many masses within this range for protons, and up to two orders of magnitude for neutrons. These are the sole reliable terrestrial bounds reported on the coupling of protons with axion-like dark matter, covering an unexplored terrain in its parameter space.

Suggested Citation

  • Itay M. Bloch & Roy Shaham & Yonit Hochberg & Eric Kuflik & Tomer Volansky & Or Katz, 2023. "Constraints on axion-like dark matter from a SERF comagnetometer," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-41162-4
    DOI: 10.1038/s41467-023-41162-4
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    References listed on IDEAS

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    1. I. K. Kominis & T. W. Kornack & J. C. Allred & M. V. Romalis, 2003. "A subfemtotesla multichannel atomic magnetometer," Nature, Nature, vol. 422(6932), pages 596-599, April.
    2. Ramsey, Norman F., 1979. "The tensor force between two protons at long range," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 96(1), pages 285-289.
    3. K. M. Backes & D. A. Palken & S. Al Kenany & B. M. Brubaker & S. B. Cahn & A. Droster & Gene C. Hilton & Sumita Ghosh & H. Jackson & S. K. Lamoreaux & A. F. Leder & K. W. Lehnert & S. M. Lewis & M. Ma, 2021. "A quantum enhanced search for dark matter axions," Nature, Nature, vol. 590(7845), pages 238-242, February.
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