Search for 14.4 keV solar axions emitted in the M1-transition of {sup 57}Fe nuclei with CAST
Journal Article
·
· Journal of Cosmology and Astroparticle Physics
- IRFU, Centre d'Études Nucléaires de Saclay, Gif-sur-Yvette (France)
- European Organization for Nuclear Research (CERN), CH-1211 Genève 23 (Switzerland)
- Institute for Nuclear Research, Russian Academy of Sciences, Moscow (Russian Federation)
- Instituto de Física Nuclear y Altas Energías, Universidad de Zaragoza, Zaragoza (Spain)
- Max-Planck-Institut für extraterrestrische Physik, Giessenbachstrasse, 85748 Garching (Germany)
- Enrico Fermi Institute and KICP, University of Chicago, Chicago, IL (United States)
- Aristotle University of Thessaloniki, Thessaloniki (Greece)
- National Center for Scientific Research ''Demokritos'', Athens (Greece)
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 {sup 57}Fe, 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{sub aγ}|−1.19g{sub aN}{sup 0}+g{sub aN}{sup 3}| < 1.36 × 10{sup −16} GeV{sup −1} for m{sub a} < 0.03 eV at the 95% confidence level.
- OSTI ID:
- 22273111
- Journal Information:
- Journal of Cosmology and Astroparticle Physics, Vol. 2009, Issue 12; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
- Country of Publication:
- United States
- Language:
- English
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