110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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/// \file eventgenerator/pythia/decayer6/src/P6DExtDecayerPhysics.cc
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/// \brief Implementation of the P6DExtDecayerPhysics class
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///
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/// \author I. Hrivnacova; IPN, Orsay
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#include "P6DExtDecayerPhysics.hh"
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#include "G4Pythia6Decayer.hh"
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#include <G4Decay.hh>
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#include <G4ParticleDefinition.hh>
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#include <G4ProcessManager.hh>
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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P6DExtDecayerPhysics::P6DExtDecayerPhysics(const G4String& name) : G4VPhysicsConstructor(name)
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{
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/// Standard constructor
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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P6DExtDecayerPhysics::~P6DExtDecayerPhysics()
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{
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/// Destructor
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}
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//
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// protected methods
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void P6DExtDecayerPhysics::ConstructParticle()
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{
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/// Nothing to be done here
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void P6DExtDecayerPhysics::ConstructProcess()
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{
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/// Loop over all particles instantiated and add external decayer
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/// to all decay processes if External decayer is set
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// Create Geant4 external decayer
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G4Pythia6Decayer* extDecayer = new G4Pythia6Decayer();
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extDecayer->SetVerboseLevel(1);
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// The extDecayer will be deleted in G4Decay destructor
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G4bool isSet = false;
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// One G4Decay object is shared by all unstable particles (per thread).
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// Thus, we need to set the external decayer only once.
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auto particleIterator = GetParticleIterator();
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particleIterator->reset();
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while ((*particleIterator)()) {
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if (isSet) break;
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G4ParticleDefinition* particle = particleIterator->value();
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G4ProcessManager* pmanager = particle->GetProcessManager();
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if (verboseLevel > 1) {
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G4cout << "Setting ext decayer for: " << particleIterator->value()->GetParticleName()
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<< G4endl;
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}
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G4ProcessVector* processVector = pmanager->GetProcessList();
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for (std::size_t i = 0; i < processVector->length(); i++) {
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G4Decay* decay = dynamic_cast<G4Decay*>((*processVector)[i]);
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if (decay) {
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decay->SetExtDecayer(extDecayer);
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isSet = true;
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}
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}
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}
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if (verboseLevel > 0) {
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G4cout << "External decayer physics constructed." << G4endl;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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