https://hal.in2p3.fr/in2p3-00908675Kuraev, E. A.E. A.KuraevBystritskiy, Yu. M.Yu. M.BystritskiyAhmadov, A. I.A. I.AhmadovTomasi-Gustafsson, E.E.Tomasi-GustafssonIRFU - Institut de Recherches sur les lois Fondamentales de l'Univers - CEA - Commissariat à l'énergie atomique et aux énergies alternatives - Université Paris-SaclayIPNO - Institut de Physique Nucléaire d'Orsay - UP11 - Université Paris-Sud - Paris 11 - IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS - CNRS - Centre National de la Recherche ScientifiqueRadiative corrections for electron-proton elastic scattering taking into account high orders and hard-photon emissionHAL CCSD2014[PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph]Heurteau, Sophie2013-11-25 10:42:542022-10-18 03:31:052013-11-26 11:15:37enJournal articles10.1103/PhysRevC.89.0652071We 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.