Abstract
The effect of electron-positron pair formation by two identical photons in the Coulomb field of an atomic nucleus is considered in the Born approximation of perturbation theory.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 20–23, February, 1977.
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Smirnov, A.I. Electron-positron pair formation by two identical photons in the nuclear field. Soviet Physics Journal 20, 154–156 (1977). https://doi.org/10.1007/BF01297374
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DOI: https://doi.org/10.1007/BF01297374