Simulation of Finite Width Effects in Physics Beyond the Standard Model

Abstract

We present a method for the inclusion of finite width effects in the simulation of Beyond Standard Model (BSM) physics. In order to test the validity of the method we compare our results with matrix elements for a range of production and decay processes in the Standard Model, Minimal Supersymmetric Standard Model (MSSM) and Minimal Universal Extra Dimensions model (MUED). This procedure has been implemented in the Herwig++ event generator and will be available in a forthcoming release.

16 pages, 12 figures

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• THE TOOLS AND MONTE CARLO WORKING GROUP Summary Report from the Les Houches 2009 Workshop on TeV Colliders
• Hide and Seek With Natural Supersymmetry at the LHC
• Introduction to QCD
• Sneaky light stop
• New Physics backgrounds to the H -> WW search at the LHC?
• Probing SUSY CP Violation in Two-Body Stop Decays at the LHC
• Finite-width effects on threshold corrections to squark and gluino production
• Soft interactions in Herwig++
• Herwig++ Status Report
• Herwig++ 2.5 Release Note