Improved Limits From The Galactic Axion Search

Be Moskowitz,S Depanfilis, Ac Melissinos, Jt Rogers,Yk Semertzidis, Wu Wuensch, Hj Halama, Ag Prodell,Wb Fowler, Fa Nezrick

ASTRONOMY, COSMOLOGY AND FUNDAMENTAL PHYSICS（1989）

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Abstract

Cold, light axions are a leading candidate for the composition of dark matter in the galactic halo. An experiment designed to detect the microwave conversion signal from galactic axions has searched the frequency range 1.1–2.5 GHz. The updated limits on axion density and coupling are presented, and improvements for a possible second-generation experiment are discussed.

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Key words

nuclear astrophysics,galactic halo,dark matter,experience design,field theory,elementary particles,quantum chromodynamics

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