Notes on Generating MC for Upsilon->mumu decays

Pythia

Some documentation here.

Use this config file: http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/Configuration/Generator/python/UpsMM_7TeV_cfi.py?view=log

Pythia settings: http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/Configuration/Generator/python/PythiaUESettings_cfi.py?revision=1.6&view=markup
Pythia home page: http://home.thep.lu.se/~torbjorn/Pythia.html

Pythia description of HEPEVT event block: http://cepa.fnal.gov/psm/simulation/mcgen/lund/pythia_manual/pythia6.3/pythia6301/node39.html

PHOTOS

Photos Interface:
http://cmssw.cvs.cern.ch/cgi-bin/cmssw.cgi/CMSSW/GeneratorInterface/ExternalDecays/interface/PhotosInterface.h?revision=1.8&view=markup

Interface to C++ (but not necessarily CMSSW)

http://www.ph.unimelb.edu.au/~ndavidson/photos/doxygen/index.html

Interface of CMSSW with Tauola (may have some similarities, which could help?)

https://twiki.cern.ch/twiki/bin/view/CMSPublic/SWGuideTauolaInterface