QED radiative corrections to impact factors
E. A. Kuraev, L. N. Lipatov, T. V. Shishkina
Abstract
We consider the radiative corrections to the impact factors of electron and photon. According to a generalized eikonal representation the e e scattering amplitude at high energies and fixed momentum transfers is proportional to the electron form factor. But we show that this representation is violated due to the presence of non-planar diagrams. One loop correction to the photon impact factor for small virtualities of the exchanged photon is obtained using the known results for the cross section of the e e production at photon-nuclei interactions.
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