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Radiative corrections for electron-proton elastic scattering taking into account high orders and hard-photon emission

Abstract : We investigate the effect of high order radiative corrections in unpolarized electron proton elastic scattering and compare with the calculations at lowest order, which are usually applied to experimental data. Particular attention is devoted to the $\epsilon$ dependence of radiative corrections, which is directly related to the electric proton form factor. We consider in particular the effects of the interference terms for soft and hard photon emission. Both quadratic amplitude describing the collinear emission along the scattered electron as well as the interference with the amplitudes of emission from the initial electron and the emission from protons are important in leading and next to leading approximation and they may compensate in particular kinematical conditions.
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http://hal.in2p3.fr/in2p3-00908675
Contributor : Sophie Heurteau <>
Submitted on : Monday, November 25, 2013 - 10:42:54 AM
Last modification on : Wednesday, September 16, 2020 - 4:09:17 PM

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E. A. Kuraev, Yu. M. Bystritskiy, A. I. Ahmadov, E. Tomasi-Gustafsson. Radiative corrections for electron-proton elastic scattering taking into account high orders and hard-photon emission. Physical Review C, American Physical Society, 2014, 89 (6), pp.065207. ⟨10.1103/PhysRevC.89.065207⟩. ⟨in2p3-00908675⟩

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