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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 |
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Article number | 111002 |
Number of pages | 7 |
Journal | Physical Review Letters |
Volume | 134 |
Issue number | 11 |
DOIs | |
Publication status | Published - 21 Mar 2025 |
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Centre of Excellence for Dark Matter Particle Physics
Barberio, E. (Investigator 01), Williams, A. (Investigator 02), Bell, N. (Investigator 03), Stuchbery, A. (Investigator 04), Tobar, M. (Investigator 05), Boehm, C. (Investigator 06) & Wallner, A. (Investigator 07)
ARC Australian Research Council
1/01/20 → 31/12/26
Project: Research
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ARC Centre of Excellence for Engineered Quantum Systems (EQuS 2017)
White, A. (Investigator 01), Doherty, A. (Investigator 02), Biercuk, M. (Investigator 03), Bowen, W. (Investigator 04), Milburn, G. (Investigator 05), Tobar, M. (Investigator 06), Volz, T. (Investigator 07) & McFerran, J. (Investigator 08)
ARC Australian Research Council
1/01/18 → 31/12/24
Project: Research