Operator Product Expansion and Integral Representation for Two Photon Processes

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Abstract
By using the operator product expansion, integral representations are obtained to give short distance behavior of elastic scattering amplitude of a boson and virtual Compton scattering. The representations are given by the variant form of the dispersion relation and for the Compton scattering imaginary parts of forward amplitudes give the structure function with ξ- scaling in the deep inelastic electroproduction processes.

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