Simple analytical representation for the high-energy Delbruck scattering amplitudes

Details Simple analytical representation for the high-energy Delbruck scattering amplitudes Simple analytical representation for the high-energy Delbruck scattering amplitudes

1999-02-02

arxiv.org/abs/hep-ph/9902221v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, latex, no figures

Scientific paper

Using a new representation for the quasiclassical Green function of the Dirac equation in a Coulomb field, analytical expressions for the high-energy small-angle Delbr\"uck scattering amplitudes are obtained exactly in the parameter Z\alpha. Magnitudes of the amplitudes coincide with the previous results. However, the structure of the expressions obtained is much more simple, which considerably facilitates numerical calculations.

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