The search for axion dark matter

Journal Article · Mon Oct 19 04:00:00 EDT 1998 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.56599· OSTI ID:21202168

Sikivie, Pierre ^[1]

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1. Department of Physics, University of Florida, Gainesville, Florida 32611 (United States)

This talk reviews the original motivation for the axion as a solution to the strong CP problem and the constraints that have been placed on the axion by experimental searches and by astrophysical and cosmological considerations. As a result of the bounds, the axion mass is presently restricted to a window extending from about 10{sup -2} eV to about 10{sup -6} eV. In this window, axions are a form of cold dark matter. It is possible to detect galactic halo axions by stimulating their conversion to photons in a laboratory magnetic field. I'll report on two experiments of this type, one at Lawrence Livermore National Laboratory and the other at Kyoto University. I'll also discuss what can be learned about the structure of our galactic halo if a signal is found.

• OSTI ID: 21202168
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 444; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AXIONS
COSMOLOGY
CP INVARIANCE
LAWRENCE LIVERMORE NATIONAL LABORATORY
MAGNETIC FIELDS
MASS
MATHEMATICAL SOLUTIONS
NONLUMINOUS MATTER
PARTICLE IDENTIFICATION
PHOTONS