paper

Analysis of single-photon and linear amplifier detectors for microwave cavity dark matter axion searches

arXiv:1306.3591 · doi:10.1103/PhysRevD.88.035020

Abstract

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 cross-over point in this comparison is of order 10 GHz (eV), not far above the frequencies of current searches.

5 pages, 1 figure new version address comments received

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