We summarize the recent progress of the Axion Longitudinal Plasma Haloscope (ALPHA)
Consortium, a new experimental collaboration to build a plasma haloscope to search for …

We propose a new strategy for searching for dark matter axions using tunable cryogenic
plasmas. Unlike current experiments, which repair the mismatch between axion and photon …

The axion is a hypothetical elementary particle and cold dark matter candidate. In this rf
cavity experiment, halo axions entering a resonant cavity immersed in a static magnetic field …

The CAST-CAPP axion haloscope, operating at CERN inside the CAST dipole magnet, has
searched for axions in the 19.74 μ eV to 22.47 μ eV mass range. The detection concept …

We report the first result of a direct search for a cosmic axion background (C a B)—a
relativistic background of axions that is not dark matter—performed with the axion …

A well-motivated class of dark matter candidates, including axions and dark photons, takes
the form of coherent oscillations of a light bosonic field. If the dark matter couples to standard …

We study the underlying theory of dielectric haloscopes, a new way to detect dark matter
axions. When an interface between different dielectric media is inside a magnetic field, the …

Axions are a well‐motivated dark matter candidate, with a host of experiments around the
world searching for direct evidence of their existence. The ORGAN Experiment is a type of …

We report the results of Phase 1b of the ORGAN experiment, a microwave cavity haloscope
searching for dark matter axions in the 107.42–111.93 μ eV mass range. The search …

This Letter reports on a cavity haloscope search for dark matter axions in the Galactic halo in
the mass range 2.81–3.31 μ eV. This search utilizes the combination of a low-noise …