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MATCHING PARTON SHOWER AND MATRIX ELEMENTS IN QED

    https://doi.org/10.1142/9789812790873_0157Cited by:0 (Source: Crossref)
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    Abstract:

    We report on a high-precision calculation of the Bhabha process in QED, of interest for precise luminosity determination of low-energy electron-positron colliders. The calculation is based on the matching of exact next-to-leading order corrections with a Parton Shower algorithm. The structure of the algorithm (implemented in an improved version of the event generator BABAYAGA) is illustrated, with a discussion on the resulting theoretical uncertainty, of the order of 0.1%.