[Generators/GenAnalysisTools/TruthHelper]
- IsGenStable.cxx
  status  = GenParticle->status()  = Genstat
  barcode = GenParticle->barcode() = Genref
  
 ((status()%1000 == 1) || (status()%1000 == 2 && status() > 1000)) &&
 (barcode()<100000)

- IsGenNonInteracting.cxx
  (abs(p->pdg_id())==12 || abs(p->pdg_id())==14 || abs(p->pdg_id())==16 ||
   (abs(p->pdg_id())==1000039 &&  p->status()%1000==1) ||
   (abs(p->pdg_id())==1000022 &&  p->status()%1000==1))