Abstract
We consider axion formation processes in the synchrotron (e −→e − a) and annihilation (e − e +→a) channels in a constant crossed field F μν Fμν=Fμν*F μν=0, which approximates constant fields of other configurations in the ultrarelativistic asymptotic limit. The probability and intensity of axion emission are obtained, and we analyze the energy and field asymptotics. A comparison with the characteristic neutrino channel \(e^ - \to e^ - v\overline v \) yields the constraints on the axion mass and the energy scale for Peccei-Quinn symmetry breaking. Possible astrophysical applications are discussed.
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Zh. Éksp. Teor. Fiz. 112, 25–31 (July 1997)
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Skobelev, V.V. Synchrotron and annihilation channels for axion production in an external electromagnetic field. J. Exp. Theor. Phys. 85, 13–16 (1997). https://doi.org/10.1134/1.558297
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DOI: https://doi.org/10.1134/1.558297