Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-12-20
Phys.Rev.D73:055005,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
56 p., 14 embedded figs., accepted for publication in PRD
Scientific paper
10.1103/PhysRevD.73.055005
At the LHC and at an ILC, serious studies of new physics benefit from a proper simulation of signals and backgrounds. Using supersymmetric sbottom pair production as an example, we show how multi-particle final states are necessary to properly describe off-shell effects induced by QCD, photon radiation, or by intermediate on-shell states. To ensure the correctness of our findings we compare in detail the implementation of the supersymmetric Lagrangian in MadGraph, Sherpa and Whizard. As a future reference we give the numerical results for several hundred cross sections for the production of supersymmetric particles, checked with all three codes.
Hagiwara Kaoru
Kilian Wolfgang
Krauss Frank
Ohl Thorsten
Plehn Tilman
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