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The Tokyo Axion Helioscope Experiment
High Energy Physics - Experiment · Submitted 16 Jun 1998
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim From the absence of the axion signal we set a 95 % confidence level upper limit on the axion coupling to two photons $g_{a\gamma\gamma} < 6.0 \times 10^{-10} GeV^{-1}$ for the axion mass $m_a < 0.03$ eV.
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The abstract, sentence by sentence
A preliminary result of the solar axion search experiment at the University of Tokyo is presented. We searched for axions which could be produced in the solar core by exploiting the axion helioscope. The helioscope consists of a superconducting magnet with field strength of 4 Tesla over 2.3 meters. From the absence of the axion signal we set a 95 % confidence level upper limit on the axion coupling to two photons $g_{a\gamma\gamma} < 6.0 \times 10^{-10} GeV^{-1}$ for the axion mass $m_a < 0.03$ eV. This is the first solar axion search experiment whose sensitivity to $g_{a\gamma\gamma}$ exceeds the limit inferred from the solar age consideration.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | A preliminary result of the solar axion search experiment at the University of Tokyo is presented. | contribution 0.94 | 0.77 | 0.04 | asserted 0.91 |
| s1 | We searched for axions which could be produced in the solar core by exploiting the axion helioscope. | method 0.52 | 0.95 | 0.03 | asserted 0.80 |
| s2 | The helioscope consists of a superconducting magnet with field strength of 4 Tesla over 2.3 meters. | method 1.00 | 0.68 | 0.02 | asserted 1.00 |
| s3 | From the absence of the axion signal we set a 95 % confidence level upper limit on the axion coupling to two photons $g_{a\gamma\gamma} < 6.0 \times 10^{-10} GeV^{-1}$ for the axion mass $m_a < 0.03$ eV. | result 1.00 | 0.96 | 0.89 | asserted 1.00 |
| s4 | This is the first solar axion search experiment whose sensitivity to $g_{a\gamma\gamma}$ exceeds the limit inferred from the solar age consideration. | interpretation 0.76 | 0.78 | 0.33 | asserted 1.00 |
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The paper
Original abstract
A preliminary result of the solar axion search experiment at the University of Tokyo is presented. We searched for axions which could be produced in the solar core by exploiting the axion helioscope. The helioscope consists of a superconducting magnet with field strength of 4 Tesla over 2.3 meters. From the absence of the axion signal we set a 95 % confidence level upper limit on the axion coupling to two photons $g_{a\gamma\gamma} < 6.0 \times 10^{-10} GeV^{-1}$ for the axion mass $m_a < 0.03$ eV. This is the first solar axion search experiment whose sensitivity to $g_{a\gamma\gamma}$ exceeds the limit inferred from the solar age consideration.
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2 arXiv papers cite this in 4 sentences
Papers whose main result relates to this one's
States the same result 1 paper
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From the absence of such a signal we set a 95% confidence level limit on the axion coupling to two photons $g_{a\gamma\gamma}\equiv 1/M < 6.0\times 10^{-10}$ GeV$^{-1}$, provided the axion mass $m_a<0.03$ eV.
Direct search for solar axions by using strong magnetic field and X-ray detectors · 1.00
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