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

N. Du et al. (ADMX Collaboration)
Phys. Rev. Lett. 120, 151301 – Published 9 April 2018
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Abstract

This Letter reports the results from a haloscope search for dark matter axions with masses between 2.66 and 2.81μeV. 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 subkelvin temperatures, thereby reducing thermal noise as well as the excess noise from the ultralow-noise superconducting quantum interference device 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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  • Received 4 January 2018

DOI:https://doi.org/10.1103/PhysRevLett.120.151301

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & AstrophysicsNuclear PhysicsParticles & Fields

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Homing in on Axions?

Published 9 April 2018

A search for dark matter axions with unprecedented sensitivity tests a previously inaccessible parameter range for these hypothetical particles.

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Vol. 120, Iss. 15 — 13 April 2018

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