Cross sections for multi-particle final states at a linear collider |
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Authors: | T Gleisberg F Krauss C G Papadopoulos A Schälicke S Schumann |
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Institution: | (1) 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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Abstract: | 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.Received: 26 November 2003, Revised: 15 January 2004, Published online: 3 March 2004 |
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