Abstract
We report the results from a haloscope search for axion dark matter in the 3.3-4.2 μeV mass range. This search excludes the axion-photon coupling predicted by one of the benchmark models of "invisible"axion dark matter, the Kim-Shifman-Vainshtein-Zakharov model. This sensitivity is achieved using a large-volume cavity, a superconducting magnet, an ultra low noise Josephson parametric amplifier, and sub-Kelvin temperatures. The validity of our detection procedure is ensured by injecting and detecting blind synthetic axion signals.
| Original language | English |
|---|---|
| Article number | 261803 |
| Journal | Physical Review Letters |
| Volume | 127 |
| Issue number | 26 |
| DOIs | |
| State | Published - Dec 24 2021 |
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