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Phys. Rev. Lett. 80, 2043–2046 (1998)

Results from a High-Sensitivity Search for Cosmic Axions

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C. Hagmann, D. Kinion, W. Stoeffl, and K. van Bibber
Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550

E. Daw, H. Peng, and Leslie J Rosenberg
Department of Physics and Laboratory for Nuclear Science, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139

J. LaVeigne, P. Sikivie, N. S. Sullivan, and D. B. Tanner
Department of Physics, University of Florida, Gainesville, Florida 32611

F. Nezrick
Fermi National Accelerator Laboratory, Batavia, Illinois 60510-0500

Michael S. Turner
Theoretical Astrophysics, Fermi National Accelerator Laboratory, Batavia, Illinois 60510-0500
Departments of Astronomy & Astrophysics and Physics, Enrico Fermi Institute, The University of Chicago, Chicago, Illinois 60637-1433

D. M. Moltz and J. Powell
Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720

N. A. Golubev
Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Anniversary Prospekt 7a, 117 312 Moscow, Russia

Received 5 November 1997; published in the issue dated 9 March 1998

We report the first results of a high-sensitivity (∼10-23W) search for light halo axions through their conversion to microwave photons. At the 90% confidence level, we exclude a Kim-Shifman-Vainshtein-Zakharov axion of mass 2.9×10-6 to 3.3×10-6eV as the dark matter in the halo of our galaxy.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.2043
DOI:
10.1103/PhysRevLett.80.2043
PACS:
95.35.+d, 14.80.Mz, 98.35.Gi
 
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