Search for “Invisible” Axion Dark Matter in the $3.3text{-}4.2~{mu}$eV Mass Range. (arXiv:2110.06096v2 [hep-ex] UPDATED)

Search for “Invisible” Axion Dark Matter in the $3.3text{-}4.2~{mu}$eV Mass Range. (arXiv:2110.06096v2 [hep-ex] UPDATED)
<a href="http://arxiv.org/find/hep-ex/1/au:+Collaboration_ADMX/0/1/0/all/0/1">ADMX Collaboration</a>: <a href="http://arxiv.org/find/hep-ex/1/au:+Bartram_C/0/1/0/all/0/1">C. Bartram</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Braine_T/0/1/0/all/0/1">T. Braine</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Burns_E/0/1/0/all/0/1">E. Burns</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Cervantes_R/0/1/0/all/0/1">R. Cervantes</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Crisosto_N/0/1/0/all/0/1">N. Crisosto</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Du_N/0/1/0/all/0/1">N. Du</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Korandla_H/0/1/0/all/0/1">H. Korandla</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Leum_G/0/1/0/all/0/1">G. Leum</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Mohapatra_P/0/1/0/all/0/1">P. Mohapatra</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Nitta_T/0/1/0/all/0/1">T. Nitta</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Rosenberg_L/0/1/0/all/0/1">L. J Rosenberg</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Rybka_G/0/1/0/all/0/1">G. Rybka</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Yang_J/0/1/0/all/0/1">J. Yang</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Clarke_J/0/1/0/all/0/1">John Clarke</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Siddiqi_I/0/1/0/all/0/1">I. Siddiqi</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Agrawal_A/0/1/0/all/0/1">A. Agrawal</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Dixit_A/0/1/0/all/0/1">A. V. Dixit</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Awida_M/0/1/0/all/0/1">M. H. Awida</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Chou_A/0/1/0/all/0/1">A. S. Chou</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Hollister_M/0/1/0/all/0/1">M. Hollister</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Knirck_S/0/1/0/all/0/1">S. Knirck</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Sonnenschein_A/0/1/0/all/0/1">A. Sonnenschein</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Wester_W/0/1/0/all/0/1">W. Wester</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Gleason_J/0/1/0/all/0/1">J. R. Gleason</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Hipp_A/0/1/0/all/0/1">A. T. Hipp</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Jois_S/0/1/0/all/0/1">S. Jois</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Sikivie_P/0/1/0/all/0/1">P. Sikivie</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Sullivan_N/0/1/0/all/0/1">N. S. Sullivan</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Tanner_D/0/1/0/all/0/1">D. B. Tanner</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Lentz_E/0/1/0/all/0/1">E. Lentz</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Khatiwada_R/0/1/0/all/0/1">R. Khatiwada</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Carosi_G/0/1/0/all/0/1">G. Carosi</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Robertson_N/0/1/0/all/0/1">N. Robertson</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Woollett_N/0/1/0/all/0/1">N. Woollett</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Duffy_L/0/1/0/all/0/1">L. D. Duffy</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Boutan_C/0/1/0/all/0/1">C. Boutan</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Jones_M/0/1/0/all/0/1">M. Jones</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+LaRoque_B/0/1/0/all/0/1">B. H. LaRoque</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Oblath_N/0/1/0/all/0/1">N. S. Oblath</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Taubman_M/0/1/0/all/0/1">M. S. Taubman</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Daw_E/0/1/0/all/0/1">E. J. Daw</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Perry_M/0/1/0/all/0/1">M. G. Perry</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Buckley_J/0/1/0/all/0/1">J. H. Buckley</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Gaikwad_C/0/1/0/all/0/1">C. Gaikwad</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Hoffman_J/0/1/0/all/0/1">J. Hoffman</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Murch_K/0/1/0/all/0/1">K. W. Murch</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Goryachev_M/0/1/0/all/0/1">M. Goryachev</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+McAllister_B/0/1/0/all/0/1">B. T. McAllister</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Quiskamp_A/0/1/0/all/0/1">A. Quiskamp</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Thomson_C/0/1/0/all/0/1">C. Thomson</a>, <a href="http://arxiv.org/find/hep-ex/1/au:+Tobar_M/0/1/0/all/0/1">M. E. Tobar</a>

We report the results from a haloscope search for axion dark matter in the
$3.3text{-}4.2~{mu}$eV mass range. This search excludes the axion-photon
coupling predicted by one of the benchmark models of “invisible” axion dark
matter, the KSVZ 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.

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