Search for sub-electronvolt solar axions using coherent conversion of axions into photons in magnetic field and gas helium

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dc.creatorInoue, Y.
dc.creatorNamba, T.
dc.creatorMoriyama, S.
dc.creatorMinowa, M.
dc.creatorTakasu, Y.
dc.creatorHoriuchi, T.
dc.creatorYamamoto, A.
dc.date2002-04-23
dc.date.accessioned2026-07-07T10:31:14Z
dc.date.available2026-07-07T10:31:14Z
dc.descriptionA search for solar axions has been performed using an axion helioscope which is equipped with a 2.3m-long 4T superconducting magnet, PIN-photodiode X-ray detectors, and a telescope mount mechanism to track the sun. In addition, a gas container to hold dispersion-matching gas has been developed and a mass region up to m_a=0.27eV was newly explored. From the absence of any evidence, analysis sets a limit on axion-photon coupling constant to be $g_{aγγ}<6.8-10.9\times10^{-10}GeV^{-1}$ for the axion mass of 0.05<m_a<0.27eV at 95% confidence level, which is more stringent than the limit inferred from the solar-age consideration. This result gives currently the most stringent observational limit on the existence of solar axions in this mass region.
dc.description12 pages, 6 PostScript figures, accepted for publication in Phys. Lett. B
dc.identifierhttps://arxiv.org/abs/astro-ph/0204388
dc.identifierhttp://arxiv.org/abs/astro-ph/0204388
dc.identifierPhys.Lett.B536:18-23,2002
dc.identifierdoi:10.1016/S0370-2693(02)01822-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178342
dc.subjectAstrophysics
dc.titleSearch for sub-electronvolt solar axions using coherent conversion of axions into photons in magnetic field and gas helium
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