From Lagrangians to Events: Computer Tutorial at the MC4BSM-2012 Workshop

Abstract

This is a written account of the computer tutorial offered at the Sixth MC4BSM workshop at Cornell University, March 22-24, 2012. The tools covered during the tutorial include: FeynRules, LanHEP, MadGraph, CalcHEP, Pythia 8, Herwig++, and Sherpa. In the tutorial, we specify a simple extension of the Standard Model, at the level of a Lagrangian. The software tools are then used to automatically generate a set of Feynman rules, compute the invariant matrix element for a sample process, and generate both parton-level and fully hadronized/showered Monte Carlo event samples. The tutorial is designed to be self-paced, and detailed instructions for all steps are included in this write-up. Installation instructions for each tool on a variety of popular platforms are also provided.

58 pages, 1 figure

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• PYTHIA 6.4 Physics and Manual
• PYTHIA 6.2 Physics and Manual
• A Brief Introduction to PYTHIA 8.1
• Herwig++ Physics and Manual
• HERWIG 6.5: an event generator for Hadron Emission Reactions With Interfering Gluons (including supersymmetric processes)
• UFO - The Universal FeynRules Output
• MadGraph/MadEvent v4: The New Web Generation
• FeynRules - Feynman rules made easy
• CalcHEP 3.4 for collider physics within and beyond the Standard Model
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• A standard format for Les Houches Event Files
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• ALOHA: Automatic Libraries Of Helicity Amplitudes for Feynman diagram computations
• Phenomenology of The Left-Right Twin Higgs Model
• Catfish: A Monte Carlo simulator for black holes at the LHC
• BRIDGE: Branching Ratio Inquiry/Decay Generated Events
• A Positive-Weight Next-to-Leading-Order Monte Carlo for e+e- Annihilation to Hadrons
• Dark Matter in the Left Right Twin Higgs Model
• LanHEP - a package for automatic generation of Feynman rules in gauge models
• New Developments in MadGraph/MadEvent
• One Universal Extra Dimension in Pythia

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• T-odd anomalous interactions of the top-quark at the Large Hadron Collider