1971•Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsRequires access

Integral Representation for the Forward Scattering Amplitude

Noboru Nakanishi

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Abstract

The two-variable perturbation-theoretical integral representation (the Deser-Gilbert-Sudarshan representation) for the off-the-mass-shell forward scattering amplitude is explicitly proved to all orders in perturbation theory under certain natural spectral conditions.

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Key concepts: Amplitude, Forward scatter, Scattering amplitude, Scattering, Physics, Quantum electrodynamics, Representation (politics), Integral equation