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Polarization effects in the photoproduction of a fermion pair and a gamma quantum on nuclei

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Abstract

Integration of the cross section of the processγ+(Ze)→(Ze)′+γ1+e−+e+ over the angles of emission of the electron and positron was carried out, and the angular, energy, and spin dependences of the cross section were obtained. The cross section for photoproduction of a lepton-antilepton pair and aγ quantum on nuclei in the case where the emitted photon moves in the same direction as the incidentγ quantum can exceed the Bethe-Heitler cross section for ordinary photoproduction of an e−e+ pair. The probabilities of some electron and positron spin states are analyzed.

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Authors and Affiliations

  1. M. V. Lomonosov Moscow State University, USSR

    I. M. Nadzhafov

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  1. I. M. Nadzhafov
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 106–110, June, 1972.

In conclusion I express my thanks to A. A. Sokolov and A. I. lViukhtarov for valuable advice.

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Nadzhafov, I.M. Polarization effects in the photoproduction of a fermion pair and a gamma quantum on nuclei. Soviet Physics Journal 15, 867–870 (1972). https://doi.org/10.1007/BF00912228

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  • DOI: https://doi.org/10.1007/BF00912228

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