Monte-Carlo Generator Photon Jets for the process e+e- -> gamma gamma
Abstract
Monte-Carlo generator with photon jets radiation in collinear regions for the process is described in detail. Radiative corrections in the first order of α are treated exactly. Large leading logarithmic corrections coming from collinear regions are taken into account in all orders of α by applying the Structure Function approach. Theoretical precision of the cross section with radiative corrections is estimated to be 0.2%. This process is considered as an additional tool to measure luminosity in forthcoming experiments with the CMD-3 detector at the e+e- collider VEPP-2000.
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