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Dispersion relations for polarization operator of a photon in an external non-Abelian field

  • Elementary Particle Physics and Field Theory
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Abstract

The thresholds for photoproduction of scalar quarks in an external non-Abelian field are determined. A dispersion relation is obtained for the trace of the photon polarization operator with internal quark loop in this field. The explicit form of the trace is calculated by means of this relation.

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Authors and Affiliations

  1. M. V. Lomonosov State University, Moscow

    V. Ch. Zhukovskii, Sh. A. Mamedov & A. A. Nun'es

Authors
  1. V. Ch. Zhukovskii
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  2. Sh. A. Mamedov
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  3. A. A. Nun'es
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 80–84, February, 1991.

We thank the participants of the seminar of the Department of Theoretical Physics at the Moscow State University for helpful discussions.

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Zhukovskii, V.C., Mamedov, S.A. & Nun'es, A.A. Dispersion relations for polarization operator of a photon in an external non-Abelian field. Soviet Physics Journal 34, 151–155 (1991). https://doi.org/10.1007/BF00940957

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  • DOI: https://doi.org/10.1007/BF00940957

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