Abstract
We report the results of a QCD axion dark matter search with discovery ability for Dine-Fischler-Srednicki-Zhitnitsky (DFSZ) axions using an axion haloscope. Sub-Kelvin noise temperatures are reached with an ultralow noise Josephson parametric amplifier cooled by a dilution refrigerator. This work excludes (with a 90% confidence level) DFSZ axions with masses between 3.27 to 3.34 μeV, assuming a standard halo model with a local energy density of 0.45 GeV/cm3 made up 100% of axions.
| Original language | English |
|---|---|
| Article number | 111002 |
| Journal | Physical Review Letters |
| Volume | 134 |
| Issue number | 11 |
| DOIs | |
| State | Published - Mar 21 2025 |
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