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This paper reports on a cavity haloscope search for dark matter axions in the galactic halo in the mass range $2.81$-$3.31$ ${\mu}eV$. This search excludes the full range of axion-photon coupling values predicted in benchmark models of the…

We present a new exclusion bound of axion-like particle dark matter with axion-photon couplings above $\mathrm{10^{-13}}$ $\mathrm{GeV^{-1}}$ over the frequency range 4796.7--4799.5 MHz, corresponding to a narrow range of axion masses…

The mass of axion dark matter is only weakly bounded by cosmological observations, necessitating a variety of detection techniques over several orders of magnitude of mass ranges. Axions haloscopes based on resonant cavities have become the…

Instrumentation and Detectors · Physics 2018-10-29 Ben T. McAllister , Maxim Goryachev , Jeremy Bourhill , Eugene N. Ivanov , Michael E. Tobar

I present the first constraints on QCD axion dark matter using measurements from the James Webb Space Telescope. By utilizing publicly available MIRI and NIRSpec blank-sky observations, originally collected for sky subtraction purposes, I…

High Energy Physics - Phenomenology · Physics 2025-03-18 Elena Pinetti

We report an extensive high-sensitivity search for axion dark matter above 1\,GHz at the Center for Axion and Precision Physics Research (CAPP). The cavity resonant search, exploiting the coupling between axions and photons, explored the…

We report on a search for ultra-low-mass axion-like dark matter by analysing the ratio of the spin-precession frequencies of stored ultracold neutrons and $^{199}$Hg atoms for an axion-induced oscillating electric dipole moment of the…

Axion is one of the most popular candidates of the cosmological dark matter. Recent studies considering the misalignment production of axions suggest some benchmark axion mass ranges near $m_a \sim 20$ $\mu$eV. For such axion mass, the…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-25 Man Ho Chan

We present an analysis of electron recoils in cryogenic germanium detectors operated during the SuperCDMS Soudan experiment. The data are used to set new constraints on the axioelectric coupling of axion-like particles and the kinetic…

High Energy Physics - Experiment · Physics 2021-01-20 SuperCDMS Collaboration , T. Aralis , T. Aramaki , I. J. Arnquist , E. Azadbakht , W. Baker , S. Banik , D. Barker , C. Bathurst , D. A. Bauer , L. V. S Bezerra , R. Bhattacharyya , T. Binder , M. A. Bowles , P. L. Brink , R. Bunker , B. Cabrera , R. Calkins , R. A. Cameron , C. Cartaro , D. G. Cerdeño , Y. -Y. Chang , J. Cooley , H. Coombes , J. Corbett , B. Cornell , P. Cushman , F. De Brienne , M. L. di Vacri , M. D. Diamond , E. Fascione , E. Figueroa-Feliciano , C. W. Fink , K. Fouts , M. Fritts , G. Gerbier , R. Germond , M. Ghaith , S. R. Golwala , H. R. Harris , N. Herbert , B. A. Hines , M. I. Hollister , Z. Hong , E. W. Hoppe , L. Hsu , M. E. Huber , V. Iyer , D. Jardin , A. Jastram , M. H. Kelsey , A. Kennedy , A. Kubik , N. A. Kurinsky , R. E. Lawrence , A. Li , B. Loer , E. Lopez Asamar , P. Lukens , D. MacDonell , D. B. MacFarlane , R. Mahapatra , V. Mandic , N. Mast , É. M. Michaud , E. Michielin , N. Mirabolfathi , B. Mohanty , J. D. Morales Mendoza , S. Nagorny , J. Nelson , H. Neog , J. L. Orrell , S. M. Oser , W. A. Page , P. Pakarha , R. Partridge , R. Podviianiuk , F. Ponce , S. Poudel , M. Pyle , W. Rau , R. Ren , T. Reynolds , A. Roberts , A. E. Robinson , H. E. Rogers , T. Saab , B. Sadoulet , J. Sander , D. Toback , R. Underwood , S. Verma , A. N. Villano , B. von Krosigk , S. L. Watkins , L. Wills , J. S. Wilson , M. J. Wilson , J. Winchell , D. H. Wright , S. Yellin , B. A. Young , T. C. Yu , E. Zhang , X. Zhao , L. Zheng

The Standard Model of particle physics can be extended to include sterile (right-handed) neutrinos or axions to solve the dark matter problem. Depending upon the mixing angle between active and sterile neutrinos, the latter have the…

High Energy Astrophysical Phenomena · Physics 2017-06-28 A. Gewering-Peine , D. Horns , J. H. M. M. Schmitt

We report the first axion dark matter search with toroidal geometry. Exclusion limits of the axion-photon coupling $g_{a\gamma\gamma}$ over the axion mass range from 24.7 to 29.1 $\mu$eV at the 95\% confidence level are set through this…

High Energy Physics - Experiment · Physics 2017-09-28 B. R. Ko

We investigate the use of next generation radio telescopes such as the Square Kilometre Array (SKA) to detect axion two-photon coupling in the astrophysical environment. The uncertainty surrounding astrophysical magnetic fields presents new…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-31 Katharine Kelley , P. J. Quinn

We investigate the degeneracy between the effects of ultra-light axion dark matter and baryonic feedback in suppressing the matter power spectrum. We forecast that galaxy shear data from the Rubin Observatory's Legacy Survey of Space and…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-09 Calvin Preston , Keir K. Rogers , Alexandra Amon , George Efstathiou

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 Model states, it may be possible to detect it via…

High Energy Physics - Phenomenology · Physics 2018-08-08 Masha Baryakhtar , Junwu Huang , Robert Lasenby

Axion as one of the promising dark matter candidates can be detected through narrow radio lines emitted from the magnetic white dwarf stars. Due to the existence of the strong magnetic field, the axion may resonantly convert into the radio…

High Energy Physics - Phenomenology · Physics 2021-06-23 Jin-Wei Wang , Xiao-Jun Bi , Run-Min Yao , Peng-Fei Yin

The axion is a hypothetical particle proposed to solve the strong $CP$ problem, and also a candidate for dark matter. This non-relativistic particle in the galactic halo can be converted into a photon under a strong magnetic field and…

High Energy Physics - Experiment · Physics 2019-10-15 Soohyung Lee , Saebyeok Ahn , Jihoon Choi , Byeong Rok Ko , Yannis K. Semertzidis

We report the results of Phase 1b of The ORGAN Experiment, a microwave cavity haloscope searching for dark matter axions in the $107.42-111.93~\mu$eV mass range. The search excludes axions with two-photon coupling $g_{a\gamma\gamma}\geq…

High Energy Physics - Experiment · Physics 2025-04-11 Aaron Quiskamp , Ben T. McAllister , Paul Altin , Eugene N. Ivanov , Maxim Goryachev , Michael E. Tobar

We report the results of searches for solar axions and galactic dark matter axions or axion-like particles with CDEX-1 experiment at the China Jinping Underground Laboratory, using 335.6 kg-days of data from a p-type point-contact germanium…

The dark photon is a well-motivated ultralight dark-matter candidate that may couple to the Standard Model through kinetic mixing. We search for dark-photon dark matter in the mass range $m_{A'}c^2 =…

High Energy Physics - Phenomenology · Physics 2026-02-27 Joel Barir , Itay M. Bloch , Yair Goldszeft , Gal Goldstein , Constantine Feinberg , Or Katz , Tomer Volansky

Axion dark matter (DM) may efficiently convert to photons in the magnetospheres of neutron stars (NSs), producing nearly monochromatic radio emission. This process is resonantly triggered when the plasma frequency induced by the underlying…

Cosmology and Nongalactic Astrophysics · Physics 2022-12-28 Joshua W. Foster , Samuel J. Witte , Matthew Lawson , Tim Linden , Vishal Gajjar , Christoph Weniger , Benjamin R. Safdi

We search for dark matter in the form of axionlike particles (ALPs) in the mass range $5.576741 \,\mathrm{neV/c^2}$ - $5.577733\,\mathrm{neV/c^2}$ by probing their possible coupling to fermion spins through the ALP field gradient. This is…