Reference particle

Author: jackal1-66

MC/config/PWGDQ/EvtGen/GeneratorEvtGen.C

@@ -106,10 +106,10 @@ class GeneratorEvtGen : public T
   {
     auto nparticles = T::mParticles.size();
     for (Int_t iparticle = 0; iparticle < nparticles; ++iparticle) {
-      auto particle = (TParticle)T::mParticles.at(iparticle);
+      const auto& particle = T::mParticles.at(iparticle);
       if (checkPdg(particle.GetPdgCode())) {
         if (mDebug)
-          std::cout << "particles in the array (before decay): PDG " << particle.GetPdgCode() << " STATUS " << particle.GetStatusCode() << " position in the array" << iparticle << " First daughter" << particle.GetFirstDaughter() << " Last daughter " << particle.GetLastDaughter() << std::endl;
+          std::cout << "particles in the array (before decay): PDG " << particle.GetPdgCode() << " STATUS " << particle.GetStatusCode() << " position in the array " << iparticle << " First daughter " << particle.GetFirstDaughter() << " Last daughter " << particle.GetLastDaughter() << std::endl;
         TLorentzVector* momentum = new TLorentzVector();
         momentum->SetPxPyPzE(particle.Px(), particle.Py(), particle.Pz(), particle.Energy());
         DecayEvtGen(particle.GetPdgCode(), momentum, mPolarization);
@@ -118,7 +118,7 @@ class GeneratorEvtGen : public T
           return kFALSE;
         }
         if (mDebug)
-          std::cout << "particles in the array (after decay): PDG " << particle.GetPdgCode() << " STATUS " << particle.GetStatusCode() << " position in the array" << iparticle << " First daughter" << particle.GetFirstDaughter() << " Last daughter " << particle.GetLastDaughter() << std::endl;
+          std::cout << "particles in the array (after decay): PDG " << particle.GetPdgCode() << " STATUS " << particle.GetStatusCode() << " position in the array " << iparticle << " First daughter " << particle.GetFirstDaughter() << " Last daughter " << particle.GetLastDaughter() << std::endl;
       }
     }
     return kTRUE;