Extended Search for the Invisible Axion with the Axion Dark Matter Experiment
T. BraineUniversity of Washington, Seattle, Washington 98195, USAR. CervantesUniversity of Washington, Seattle, Washington 98195, USAN. CrisostoUniversity of Washington, Seattle, Washington 98195, USAN. DuUniversity of Washington, Seattle, Washington 98195, USAS. KimesUniversity of Washington, Seattle, Washington 98195, USAL. J. RosenbergUniversity of Washington, Seattle, Washington 98195, USAG. RybkaUniversity of Washington, Seattle, Washington 98195, USAJ. YangUniversity of Washington, Seattle, Washington 98195, USAD. BowringFermi National Accelerator Laboratory, Batavia, Illinois 60510, USAA. S. ChouFermi National Accelerator Laboratory, Batavia, Illinois 60510, USARakshya KhatiwadaFermi National Accelerator Laboratory, Batavia, Illinois 60510, USAA. SonnenscheinFermi National Accelerator Laboratory, Batavia, Illinois 60510, USAW. C. WesterFermi National Accelerator Laboratory, Batavia, Illinois 60510, USAG. CarosiLawrence Livermore National Laboratory, Livermore, California 94550, USAN. WoollettLawrence Livermore National Laboratory, Livermore, California 94550, USAL. D. DuffyLos Alamos National Laboratory, Los Alamos, California 87545, USARichard F. BradleyNational Radio Astronomy Observatory, Charlottesville, Virginia 22903, USAC. BoutanPacific Northwest National Laboratory, Richland, Washington 99354, USAMark JonesPacific Northwest National Laboratory, Richland, Washington 99354, USAB. H. LaRoquePacific Northwest National Laboratory, Richland, Washington 99354, USAN. S. OblathPacific Northwest National Laboratory, Richland, Washington 99354, USAM. S. TaubmanPacific Northwest National Laboratory, Richland, Washington 99354, USAJohn ClarkeUniversity of California, Berkeley, California 94720, USAAllison DoveUniversity of California, Berkeley, California 94720, USAAndrew EddinsUniversity of California, Berkeley, California 94720, USAS. R. O’KelleyUniversity of California, Berkeley, CA 94720, USAShahid NawazUniversity of California, Berkeley, California 94720, USAIrfan SiddiqiUniversity of California, Berkeley, California 94720, USANoah StevensonUniversity of California, Berkeley, California 94720, USAAnkur AgrawalUniversity of Chicago, Chicago, Illinois 60637, USAAkash DixitUniversity of Chicago, Chicago, Illinois 60637, USAJ. R. GleasonUniversity of Florida, Gainesville, Florida 32611, USAS. JoisUniversity of Florida, Gainesville, Florida 32611, USAP. SikivieUniversity of Florida, Gainesville, Florida 32611, USAJ. SolomonUniversity of Florida, Gainesville, Florida 32611, USAN. S. SullivanUniversity of Florida, Gainesville, Florida 32611, USAD. B. TannerUniversity of Florida, Gainesville, Florida 32611, USAE. LentzUniversity of Göttingen, Göttingen 37077, GermanyE. J. DawUniversity of Sheffield, Sheffield S3 7RH, United KingdomJ. H. BuckleyWashington University, St. Louis, Missouri 63130, USAP. M. HarringtonWashington University, St. Louis, Missouri 63130, USAErik HenriksenWashington University, St. Louis, Missouri 63130, USAK. W. MurchWashington University, St. Louis, Missouri 63130, USA
2020en
ABI
Annotatsiya
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.
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