Search for invisible axion dark matter with the Axion Dark Matter Experiment
- Du, N.
- Force, N.
- Khatiwada, R.
- Lentz, E.
- Ottens, R.
- Rosenberg, L.J.
- Rybka, G.
- Carosi, G.
- Woollett, N.
- Bowring, D.
- Chou, A.S.
- Sonnenschein, A.
- Wester, W.
- Boutan, C.
- Oblath, N.S.
- Bradley, R.
- Daw, E.J.
- Dixit, A.V.
- Clarke, J.
- O'Kelley, S.R.
- Crisosto, N.
- Gleason, J.R.
- Jois, S.
- Sikivie, P.
- Stern, I.
- Sullivan, N.S.
- Tanner, D.B.
- Hilton, G.C.
Publication date
April 2018
DOI Publisher
American Physical Society (APS)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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