期刊
PHYSICAL REVIEW D
卷 88, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.88.035020
关键词
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资金
- National Science Foundation [PHY-1067242, PHY-1306729]
- U.S. Department of Energy by Lawrence Livermore National Security, LLC, Lawrence Livermore National Laboratory [DE-AC52-07NA27344]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1306729] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1067242, 1306736] Funding Source: National Science Foundation
We show that at higher frequencies, and thus higher axion masses, single-photon detectors become competitive and ultimately favored, when compared to quantum-limited linear amplifiers, as the detector technology in microwave cavity experimental searches for galactic halo dark matter axions. The crossover point in this comparison is of order 10 GHz (similar to 40 mu eV), not far above the frequencies of current searches.
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