Cross sections for multi-particle final states at a linear collider
Institut für Theoretische Physik, TU Dresden, 01062, Dresden, Germany
2 Theory Division, CERN, 1211, Geneva 23, Switzerland
3 Institute of Nuclear Physics, NCSR Demokritos, 15310, Athens, Greece
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In this paper total cross sections for signals and backgrounds of top- and Higgs-production channels in e + e - 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, and their results are found to be in perfect agreement.
© Springer-Verlag, 2004