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

S. K. Lamoreaux, K. A. van Bibber, K. W. Lehnert, and G. Carosi
Phys. Rev. D 88, 035020 – Published 23 August 2013

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 crossover point in this comparison is of order 10 GHz (40μeV), not far above the frequencies of current searches.

  • Figure
  • Received 15 June 2013

DOI:https://doi.org/10.1103/PhysRevD.88.035020

© 2013 American Physical Society

Authors & Affiliations

S. K. Lamoreaux*

  • Department of Physics, Yale University, P.O. Box 208120, New Haven, Connecticut 06520-8120, USA

K. A. van Bibber

  • Department of Nuclear Engineering, University of California Berkeley, Berkeley, California 94720, USA

K. W. Lehnert

  • JILA and Department of Physics, University of Colorado and National Institute of Standards and Technology, Boulder, Colorado 80309, USA

G. Carosi

  • Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, California 94550, USA

  • *steve.lamoreaux@yale.edu

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Vol. 88, Iss. 3 — 1 August 2013

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