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New Constraints on Dark Photon Dark Matter with Superconducting Nanowire Detectors in an Optical Haloscope

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arxiv 2110.01582 v2 pith:WZEM64K5 submitted 2021-10-04 hep-ex astro-ph.COhep-phphysics.ins-det

classification hep-exastro-ph.COhep-phphysics.ins-det
keywords darkphotonmattermassrangeepsilonhaloscopelight
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

Uncovering the nature of dark matter is one of the most important goals of particle physics. Light bosonic particles, such as the dark photon, are well-motivated candidates: they are generally long-lived, weakly-interacting, and naturally produced in the early universe. In this work, we report on LAMPOST (Light $A'$ Multilayer Periodic Optical SNSPD Target), a proof-of-concept experiment searching for dark photon dark matter in the eV mass range, via coherent absorption in a multi-layer dielectric haloscope. Using a superconducting nanowire single-photon detector (SNSPD), we achieve efficient photon detection with a dark count rate (DCR) of $\sim 6\times10^{-6}$ counts/s. We find no evidence for dark photon dark matter in the mass range of $\sim 0.7$-$0.8$ eV with kinetic mixing $\epsilon \gtrsim 10^{-12}$, improving existing limits in $\epsilon$ by up to a factor of two. With future improvements to SNSPDs, our architecture could probe significant new parameter space for dark photon and axion dark matter in the meV to 10 eV mass range.

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Forward citations

Cited by 6 Pith papers

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

  1. Dark Matter Haloscope with a Disordered Dielectric Absorber

    hep-ph 2025-05 conditional novelty 7.0 of 10

    A disordered dielectric powder can act as a broadband dark-matter-to-photon conversion target, and the proposed DPHaSE experiment could probe QCD axions and dark photons in the 10 meV to 1 eV range.

  2. SPLENDOR: a novel detector platform to search for light dark matter with narrow-gap semiconductors

    physics.ins-det 2025-07 conditional novelty 6.0 of 10

    A dark matter detector platform combining a 60 meV-gap semiconductor (Eu5In2Sb6) with cryogenic HEMT readout and daily modulation analysis is presented, with projected sensitivity to sub-MeV dark matter.

  3. Light Dark Matter Detection with Sub-eV Transition-Edge Sensors

    hep-ph 2025-06 conditional novelty 6.0 of 10

    Optical transition-edge sensors with sub-eV thresholds are projected to probe unexplored light dark matter parameter space with nanogram-month exposures.

  4. Earth as a transducer for ultralight bosonic dark-matter detection

    hep-ph 2026-07 conditional novelty 2.0 of 10

    The Earth can act as a giant transducer: EM-coupled ultralight dark matter induces a global, radius-enhanced oscillating magnetic field, and existing magnetometer arrays already set leading direct constraints.

  5. Quantum measurement systems and applications to particle physics and cosmology

    physics.ins-det 2025-08 unverdicted novelty 1.0 of 10

    A survey of quantum-enhanced measurement technologies and their proposed applications to particle physics and cosmology, with a forward-looking discussion of new detector ideas.

  6. Experiments to test the hypothesis for solar and dark matter axions

    hep-ph 2025-07 unverdicted novelty 1.0 of 10

    This is a pedagogical review of haloscope and helioscope experiments searching for dark matter and solar axions, with an overview of near-future technological developments.

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