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- Title
New Constraints on the Axion-Photon Coupling Constant for Solar Axions.
- Authors
Gavrilyuk, Yu. M.; Gangapshev, A. N.; Derbin, A. V.; Drachnev, I. S.; Kazalov, V. V.; Kobychev, V. V.; Kuzminov, V. V.; Muratova, V. N.; Panasenko, S. I.; Ratkevich, S. S.; Tekueva, D. A.; Unzhakov, E. V.; Yakimenko, S. P.
- Abstract
Resonance excitation of the 83Kr first nuclear level (E = 9.4 keV) by solar axions formed via the Primakoff mechanism is sought. The γ- and X-ray photons and the conversion and Auger electrons arising from the excited-level relaxation are detected with a gas proportional counter of a low-background detector in the underground Baksan Neutrino Observatory. The following experimental constraint is obtained for the product of the axion-photon coupling constant and the axion mass:|gAγ × mA| ≤ 6.3 × 10 -17 In the framework of the hadronic-axion model, this corresponds to a new axion-mass constraint of mA ≤ 12.7 eV at 95% C.L.
- Subjects
CONSTRAINTS (Physics); AXIONS; PHOTONS; COUPLING constants; ENERGY level densities; EXCITED state energies
- Publication
JETP Letters, 2018, Vol 107, Issue 10, p589
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364018100090