On ilcsim stdhep is provided via ups/upd. Instructions can be found at:
https://cdcvs.fnal.gov/redmine/projects/lcsim/wiki/Pythia_To_Stdhep_%28new%29_
On ilcsim stdhep is provided via ups/upd. Instructions can be found at:
https://cdcvs.fnal.gov/redmine/projects/lcsim/wiki/Pythia_To_Stdhep_%28new%29_