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Bartram, C; Braine, T; Burns, E; Cervantes, R; Crisosto, N; Du, N; Korandla, H; Leum, G; Mohapatra, P; Nitta, T; Rosenberg, L J; Rybka, G; Yang, J; Clarke, John; Siddiqi, I; Agrawal, A; Dixit, A V; Awida, M H; Chou, A S; Hollister, M; Knirck, S; Sonnenschein, A; Wester, W; Gleason, J R; Hipp, A T; Jois, S; Sikivie, P; Sullivan, N S; Tanner, D B; Lentz, E; Khatiwada, R; Carosi, G; Robertson, N; Woollett, N; Duffy, L D; Boutan, C; Jones, M; LaRoque, B H; Oblath, N S; Taubman, M S; Daw, E J; Perry, M G; Buckley, J H; Gaikwad, C; Hoffman, J; Murch, K W; Goryachev, M; McAllister, B T; Quiskamp, A; Thomson, C; Tobar, M E
Physical review letters, 12/2021, Letnik: 127, Številka: 26Journal Article
We report the results from a haloscope search for axion dark matter in the 3.3-4.2 μeV mass range. This search excludes the axion-photon coupling predicted by one of the benchmark models of "invisible" axion dark matter, the Kim-Shifman-Vainshtein-Zakharov model. This sensitivity is achieved using a large-volume cavity, a superconducting magnet, an ultra low noise Josephson parametric amplifier, and sub-Kelvin temperatures. The validity of our detection procedure is ensured by injecting and detecting blind synthetic axion signals.
