Design and Operational Experience of a Microwave Cavity Axion Detector for the 20-100 micro-eV Range

Abstract

We describe a dark matter axion detector designed, constructed, and operated both as an innovation platform for new cavity and amplifier technologies and as a data pathfinder in the $5-25$ GHz range ($\sim 20-100\mu$eV). The platform is small but flexible to facilitate the development of new microwave cavity and amplifier concepts in an operational environment. The experiment has recently completed its first data production; it is the first microwave cavity axion search to deploy a Josephson parametric amplifier and a dilution refrigerator to achieve near-quantum limited performance.

17 pages, published in NIM A. v2: added changes made during the review process

References in corpus (2)

• First results from a microwave cavity axion search at 24 micro-eV
• Accelerating dark-matter axion searches with quantum measurement technology

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