Simple Analytic Expressions for the Total Cross Section for γ-e Pair Production

Eberhard Haug 1
  • 1 Lehrstuhl für Theoretische Astrophysik der Universität Tübingen

The total cross section for pair production by photons in the field of free electrons is fitted to simple analytic expressions in four intervals of the incident photon energy which cover the whole range between threshold and infinity

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