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APS » Journals » Phys. Rev. Lett. » Volume 69 » Issue 16
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Phys. Rev. Lett. 69, 2333–2336 (1992)

Search for solar axions

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D. M. Lazarus and G. C. Smith
Brookhaven National Laboratory, Upton, New York 11973

R. Cameron, A. C. Melissinos, G. Ruoso, and Y. K. Semertzidis
Department of Physics and Astronomy, University of Rochester, Rochester, New York, 14627

F. A. Nezrick
Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, Illinois 60510

Received 22 May 1992; published in the issue dated 19 October 1992

We have searched for a flux of axions produced in the Sun by exploiting their conversion to x rays in a static magnetic field. The signature of a solar axion flux would be an increase in the rate of x rays detected in a magnetic telescope when the Sun passes within its acceptance. From the absence of such a signal we set a 3σ limit on the axion coupling to two photons gaγγ≡1/M<3.6×10-9 GeV-1, provided the axion mass ma<0.03 eV and <7.7×10-9 GeV-1 for 0.03 <ma<0.11 eV.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.69.2333
DOI:
10.1103/PhysRevLett.69.2333
PACS:
14.80.Gt, 95.85.Qx, 96.60.Vg
 
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