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تسجيل مستخدم جديدSearch for 14.4 keV solar axions emitted in the M1-transition of 57Fe nuclei with CAST
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We have searched for 14.4 keV solar axions or more general axion-like particles (ALPs), that may be emitted in the M1 nuclear transition of 57Fe, by using the axion-to-photon conversion in the CERN Axion Solar Telescope (CAST) with evacuated magnet bores (Phase I). From the absence of excess of the monoenergetic X-rays when the magnet was pointing to the Sun, we set model-independent constraints on the coupling constants of pseudoscalar particles that couple to two photons and to a nucleon g_{agamma} |-1.19 g_{aN}^{0}+g_{aN}^{3}|<1.36times 10^{-16} GeV^{-1} for m_{a}<0.03 eV at the 95% confidence level.
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