DecayHandler
";?>pythia.decayPtr()
";?>doExternalDecay()
argument
idProd[0]
mProd[0]
pProd[0]
iDec
true
false
Pythia
decay
event[iDec].id()
motherProd
motherProd[0] = 0
chainDecay
main17.cc
EvtGenDecays
Pythia8Plugins
main48.cc