Abstract
The axio-electric effect in silicon atoms is sought for solar axions appearing owing to bremsstrahlung and the Compton process. Axions are detected using a Si(Li) detector placed in a low-background setup. As a result, a model-independent constraint on the axion-electron coupling constant |g Ae | ≤ 2.2 × 10−10 has been obtained, which leads to the bounds m A ≤ 7.9 eV and m A ≤ 1.4 eV (at 90% C.L.) for the mass of the axion in the DFSZ and KSVZ models, respectively.
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Original Russian Text © A.V. Derbin, I.S. Drachnev, A.S. Kayunov, V.N. Muratova, 2012, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2012, Vol. 95, No. 7, pp. 379–384.
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Derbin, A.V., Drachnev, I.S., Kayunov, A.S. et al. Constraints on the axion-electron coupling constant for solar axions appearing owing to bremsstrahlung and the compton process. Jetp Lett. 95, 339–344 (2012). https://doi.org/10.1134/S002136401207003X
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DOI: https://doi.org/10.1134/S002136401207003X