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Braine, T; Cervantes, R; Crisosto, N; Du, N; Kimes, S; Rosenberg, L J; Rybka, G; Yang, J; Bowring, D; Chou, A S; Khatiwada, R; Sonnenschein, A; Wester, W; Carosi, G; Woollett, N; Duffy, L D; Bradley, R; Boutan, C; Jones, M; LaRoque, B H; Oblath, N S; Taubman, M S; Clarke, J; Dove, A; Eddins, A; O'Kelley, S R; Nawaz, S; Siddiqi, I; Stevenson, N; Agrawal, A; Dixit, A V; Gleason, J R; Jois, S; Sikivie, P; Solomon, J A; Sullivan, N S; Tanner, D B; Lentz, E; Daw, E J; Buckley, J H; Harrington, P M; Henriksen, E A; Murch, K W
Physical review letters, 03/2020, Letnik: 124, Številka: 10Journal Article
This Letter reports on a cavity haloscope search for dark matter axions in the Galactic halo in the mass range 2.81-3.31 μeV. This search utilizes the combination of a low-noise Josephson parametric amplifier and a large-cavity haloscope to achieve unprecedented sensitivity across this mass range. This search excludes the full range of axion-photon coupling values predicted in benchmark models of the invisible axion that solve the strong CP problem of quantum chromodynamics.
