MadGraph + Pythia for multijet event generation

Here is basic information on how to generate multijet events with MadGraph + Pythia at the Northeast Tier 3 center.

Initial setup

• Create a directory for event generation:
  cd
  mkdir -p evgen/MG5
• Copy job options files and run script:
  cd evgen/MG5
  cp ~willocq/evgen/MG5/MC15.33344*.py .
  cp ~willocq/evgen/MG5/run_evgen.sh .

To run

• Do the following in each new terminal session:
  setupATLAS
  cd evgen/MG5
  asetup AtlasProduction,19.2.5.34,here
• Create a new subdirectory for each run and execute run script (e.g. for pp > 4b):
  mkdir 4b-test
  cp MC15.333444.MadGraphPythia8EvtGen_A14NNPDF23LO_4b.py 4b-test/.
  cd 4b-test
  ../run_evgen.sh