Cross sections for multi-particle final states at a linear collider
T. Gleisberg, F. Krauss, C. G. Papadopoulos, A. Schaelicke, S. Schumann
Abstract
In this paper total cross sections for signals and backgrounds of top- and Higgs-production channels in electron-positron collisions at a future linear collider are presented. All channels considered are characterized by the emergence of six-particle final states. The calculation takes into account the full set of tree-level amplitudes in each process. Two multi-purpose parton level generators, HELAC/PHEGAS and AMEGIC++ are used, their results are found to be in perfect agreement.
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