A proposed search for dark-matter axions in the 0.6-16 mu eV range

An experiment proposed to search for dark-matter axions in the mass range 0.6-16 mu eV is described. The method is based on the Primakoff conversion of axions into monochromatic microwave photons inside a tunable microwave cavity in a large-volume high-field magnet. This proposal capitalizes on the...

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Main Authors: Hagmann, C., Moltz, D.M., Turner, M.S., Sikivie, P., Sullivan, N.S., Tanner, D.B., Bluele, A.I., Geraskin, E.V., Golubev, N.A., Ishkin, V.V., Kazachenko, O.V., Kuzmin, V., Polushkin, V.G., Anthony, P.L., van Bibber, K., Patrick, R.E., Shen, S., Slack, D.S., Steel, J.V., Villa, F.
Format: Conference Proceeding
Language:English
Subjects:
Astrophysics
Couplings
Laboratories
Linear accelerators
Magnetic fields
Magnetic moments
Microwave theory and techniques
Neutrons
Physics
Proposals
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Summary:An experiment proposed to search for dark-matter axions in the mass range 0.6-16 mu eV is described. The method is based on the Primakoff conversion of axions into monochromatic microwave photons inside a tunable microwave cavity in a large-volume high-field magnet. This proposal capitalizes on the availability of two Axicell magnets from the MFTF-B fusion machine at Lawrence Livermore National Laboratory. Assuming a local dark-matter density in axions of rho /sub a/=0.3 GeV/cm/sup 3/, the axion would be found or ruled out at the 97% c.l. in the above mass range in 48 months.< >
DOI:10.1109/NSSMIC.1991.258946