Abstract
Thresholds of photoproduction of SU(2) color quarks in an external field are determined. Analyticity of the polarization operator in a chromomagnetic field is studied. The dispersion relation for the trace of the polarization operator of a photon with an internal quark loop is derived.
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M. E. Rasulzade Baku State University; M. V. Lomonosov Moscow State University. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 11–16, June, 2000.
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Zhukovskii, V.C., Mamedov, S.A. & Sadykov, F.S. Analytical properties of the polarization operator and dispersion relations for of a photon in an external non-abelian field. Russ Phys J 43, 449–454 (2000). https://doi.org/10.1007/BF02508621
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DOI: https://doi.org/10.1007/BF02508621