Here is the storage place for older pages.


How the Monte Carlo Event Generation is Done


What is Madgraph?
Downloading and Setting up Madgraph
Source Code Alterations
Example Madgraph Output for Z->bb 


What is Pythia?
Downloading and Setting up Pythia
Source Code Alterations
User Guide
Example: Output for Z->bb


What is PGS?
Downloading and Setting up PGS
Source Code Alterations
User Guide
Example: Output for Z->bb

 Combining Madgraph/Pythia/PGS
Using the software together
Example: What a tb event looks like at each stage
Example: What a tt event looks like at each stage


How the Analysis is Done: Using ROOT

What is ROOT?
Installing ROOT
Written Source Used
Running the Source Code



Links to Software Used for Analysis

Madgraph homepage:
Pythias website:
Pretty Good Simulation (PGS) Website
ROOT website:







Madgraph color flow study

 JEF Studies - Examining the Jet Energy Flow idea
  Sample Plots


 Preliminary PGS studies are here: 
 uux > z > bbx
, uux > z > tau taux
  uux>Z>mu+mu-, pp > W+ > e+ve
  pp > Z > e+e-, uux > ZA > ddx
 w + jet
, tt > evebbxudx


Willenbrock Paper Comparison Madgraph calculated cross-sections for single-top compared with 98 Willenbrock Paper
Creating Dirac fermions, Z bosons, and spin-2 KK particles Modifying the Madgraph code
Varying Renormalization, Factorization Scales, CKM Changing various Madgraph parameters.
plots for w-gluon and tt-bar channels
Specifying Final Helicities
Pythia generation and PGS reconstruction
Color Flow Studies
Cross-sections and Integrating in ROOT
Pythia hang example