NASDUCK: New Constraints on Axion-like Dark Matter from Floquet Quantum Detector

• URL: http://arxiv.org/abs/2105.04603v3
• Date: Mon, 7 Feb 2022 17:16:19 GMT
• Title: NASDUCK: New Constraints on Axion-like Dark Matter from Floquet Quantum Detector
• Authors: Itay M. Bloch, Gil Ronen, Roy Shaham, Ori Katz, Tomer Volansky, Or Katz (for the NASDUCK Collaboration)
• Abstract summary: We search for the interactions of Axion-Like Particles (ALPs) with atomic spins using an earth-based precision quantum detector. We derive new constraints on ALP-proton and ALP-neutron interactions in the $4times 10-15-4times 10-12rm eV/c2$ mass range.
• Score: 5.089078998562185
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We report on the first results of the Noble and Alkali Spin Detectors for Ultralight Coherent darK matter (NASDUCK) collaboration. We search for the interactions of Axion-Like Particles (ALPs) with atomic spins using an earth-based precision quantum detector as it traverses through the galactic dark matter halo. The detector is composed of spin-polarized xenon gas which can coherently interact with a background ALP dark matter field and an in-situ rubidium Floquet optical-magnetometer. Conducting a five months-long search, we derive new constraints on ALP-proton and ALP-neutron interactions in the $4\times 10^{-15}-4\times 10^{-12}{~\rm eV/c^2}$ mass range. Our limits on the ALP-proton (ALP-neutron) couplings improve upon previous terrestrial bounds by up to 3 orders of magnitude for masses above $4\times 10^{-14}{~\rm eV/c^2}$ ($4\times 10^{-13}{~\rm eV/c^2}$). Moreover, barring the uncertain supernova constraints, the ALP-proton bound improves on all existing terrestrial and astrophysical limits, partially closing the unexplored region for couplings in the range $10^{-6}~{\rm GeV^{-1}}$ to $2\times 10^{-5}~{\rm GeV^{-1}}$. Finally, we also cast bounds on pseudo-scalar dark matter models in which dark matter is quadratically-coupled to the nucleons.

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