Simulation of Beyond Standard Model Physics in Herwig++

Abstract

We present a new approach for the simulation of Beyond Standard Model (BSM) physics within the Herwig++ event generator. Our approach is more generic than previous methods with the aim of minimising the effort of implementing further new physics models. Spin correlations, which are important for BSM models due to new heavy fermions and bosons, are discussed and their effects demonstrated for the Minimal Supersymmetric Standard Model (MSSM) and Randall-Sundrum Model using our new framework.

34 pages, 22 figures. Version accepted for publication in EPJC. Some minor corrections

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• Measurement of CP Violation in Stop Cascade Decays at the LHC
• Can R-parity violation hide vanilla supersymmetry at the LHC?
• New Physics backgrounds to the H -> WW search at the LHC?
• Early spin determination at the LHC?
• Constraining compressed supersymmetry using leptonic signatures
• Simulation of Finite Width Effects in Physics Beyond the Standard Model
• Implications of light charginos for Higgs observables, LHC searches and dark matter
• Measurement of CP asymmetries in neutralino production at the ILC
• Supersymmetry With Prejudice: Fitting the Wrong Model to LHC Data
• Herwig++ Status Report