Abstract
The upper limit of transformation of the equilibrium electron-photon spectrum (E > 10 MeV) is obtained for the case of strong fields by solving the one-dimensional kinetic equation. Comparison with the experimental data from the Carpet array at the Baksan Neutrino Observatory (Institute for Nuclear Research, Russian Academy of Sciences) shows that variations in the intensity of the electron-photon component are observed during thunderstorms, which cannot be explained only by transformation of the spectrum in strong thunderstorm fields. One has to hypothesize some process of particle production in the energy range below ∼30 MeV.
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Original Russian Text © A.S. Lidvansky, N.S. Khaerdinov, A.B. Chernyaev, 2007, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2007, Vol. 71, No. 7, pp. 1056–1059.
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Lidvansky, A.S., Khaerdinov, N.S. & Chernyaev, A.B. Limiting transformation of the equilibrium spectrum of electrons and photons in strong electric fields of thunderclouds. Bull. Russ. Acad. Sci. Phys. 71, 1028–1031 (2007). https://doi.org/10.3103/S1062873807070404
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DOI: https://doi.org/10.3103/S1062873807070404