Abstract
Monte-Carlo generator with photon jets radiation in collinear regions for the process e + e −→γγ 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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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Eidelman, S.I., Fedotovich, G.V., Kuraev, E.A. et al. Monte-Carlo generator photon jets for the process e + e −→γγ . Eur. Phys. J. C 71, 1597 (2011). https://doi.org/10.1140/epjc/s10052-011-1597-2
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DOI: https://doi.org/10.1140/epjc/s10052-011-1597-2