Direct search for solar axions by using strong magnetic field and X-ray detectors

We have searched for axions which could be produced in the solar core by exploiting their conversion to X rays in a strong laboratory magnetic field. The signature of the solar axion is an increase in the rate of the X rays detected in a magnetic helioscope when the sun is within its acceptance. Fro...

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Bibliographic Details
Published in:Physics letters. B 1998-08, Vol.434 (1), p.147-152
Main Authors: Moriyama, Shigetaka, Minowa, Makoto, Namba, Toshio, Inoue, Yoshizumi, Takasu, Yuko, Yamamoto, Akira
Format: Article
Language:English
Subjects:
Axion
Nambu-Goldstone boson
PIN photodiode
Solar core
Superconducting magnet
X-ray detector
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Summary:We have searched for axions which could be produced in the solar core by exploiting their conversion to X rays in a strong laboratory magnetic field. The signature of the solar axion is an increase in the rate of the X rays detected in a magnetic helioscope when the sun is within its acceptance. From the absence of such a signal we set a 95% confidence level limit on the axion coupling to two photons g aγγ ≡1/ M
ISSN:0370-2693
1873-2445
DOI:10.1016/S0370-2693(98)00766-7