P6DExtDecayerPhysics.cc

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//
// $Id: P6DExtDecayerPhysics.cc 100687 2016-10-31 11:20:33Z gcosmo $
//

#include "P6DExtDecayerPhysics.hh"
#include "G4Pythia6Decayer.hh"

#include <G4ParticleDefinition.hh>
#include <G4ProcessManager.hh>
#include <G4Decay.hh>

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P6DExtDecayerPhysics::P6DExtDecayerPhysics(const G4String& name)
  : G4VPhysicsConstructor(name)
{
}

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P6DExtDecayerPhysics::~P6DExtDecayerPhysics() 
{
}

//
// protected methods
//

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void P6DExtDecayerPhysics::ConstructParticle()
{
}

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void P6DExtDecayerPhysics::ConstructProcess()
{

  // Create Geant4 external decayer
  G4Pythia6Decayer* extDecayer = new G4Pythia6Decayer();
  extDecayer->SetVerboseLevel(1); 
     // The extDecayer will be deleted in G4Decay destructor

  auto particleIterator=GetParticleIterator();
  particleIterator->reset();
  while ((*particleIterator)())
  {    
    G4ParticleDefinition* particle = particleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    
    if ( verboseLevel > 1 ) {
      G4cout << "Setting ext decayer for: " 
             <<  particleIterator->value()->GetParticleName()
             << G4endl;
    } 
    
    G4ProcessVector* processVector = pmanager->GetProcessList();
    for (G4int i=0; i<processVector->length(); i++) {
    
      G4Decay* decay = dynamic_cast<G4Decay*>((*processVector)[i]);
      if ( decay ) decay->SetExtDecayer(extDecayer);
    }              
  }

  if ( verboseLevel > 0 ) {
    G4cout << "External decayer physics constructed." << G4endl;
  }  
}

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