Import Geant4 10.6.0 source tree
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Gabriele Cosmo
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//
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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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/// \file BiasingOperation.cc
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/// \brief Implementation of the BiasingOperation class
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//
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "BiasingOperation.hh"
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#include "G4BiasingProcessInterface.hh"
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#include "G4VParticleChange.hh"
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#include "G4ProtonInelasticProcess.hh"
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#include "G4NeutronInelasticProcess.hh"
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#include "G4PionPlusInelasticProcess.hh"
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#include "G4PionMinusInelasticProcess.hh"
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#include "G4HadronicParameters.hh"
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#include "G4FTFModel.hh"
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#include "G4LundStringFragmentation.hh"
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#include "G4ExcitedStringDecay.hh"
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#include "G4GeneratorPrecompoundInterface.hh"
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#include "G4TheoFSGenerator.hh"
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#include "G4HadronicInteractionRegistry.hh"
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#include "G4VPreCompoundModel.hh"
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#include "G4INCLXXInterface.hh"
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#include "G4HadronInelasticDataSet.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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BiasingOperation::BiasingOperation( G4String name ) : G4VBiasingOperation( name ) {
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// Create the inelastic processes for p , n , pi+ , pi-
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fProtonInelasticProcess = new G4ProtonInelasticProcess;
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fNeutronInelasticProcess = new G4NeutronInelasticProcess;
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fPionPlusInelasticProcess = new G4PionPlusInelasticProcess;
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fPionMinusInelasticProcess = new G4PionMinusInelasticProcess;
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// Set the energy ranges
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const G4double minPreco = 0.0;
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const G4double maxPreco = 2.0 * CLHEP::MeV;
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const G4double maxBERT = 12.0 * CLHEP::GeV;
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const G4double minINCLXX = 1.0 * CLHEP::MeV;
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const G4double minFTFP = 3.0 * CLHEP::GeV;
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const G4double maxFTFP = G4HadronicParameters::Instance()->GetMaxEnergy();
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// Create the hadronic models (to replace FTFP_BERT with "FTFP_INCLXX",
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// keeping the same energy ranges for the transition between models).
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// Notice that it is better to create the models here from scratch,
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// instead of reusing the existing ones, because we might pick up the
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// existing ones associated to the wrong particles...
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// --- FTFP model ---
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G4FTFModel* theStringModel = new G4FTFModel;
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G4LundStringFragmentation* theLund = new G4LundStringFragmentation;
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G4ExcitedStringDecay* theStringDecay = new G4ExcitedStringDecay( theLund );
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theStringModel->SetFragmentationModel( theStringDecay );
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G4GeneratorPrecompoundInterface* thePrecoInterface = new G4GeneratorPrecompoundInterface;
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G4TheoFSGenerator* theHighEnergyModel = new G4TheoFSGenerator( "FTFP" );
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theHighEnergyModel->SetHighEnergyGenerator( theStringModel );
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theHighEnergyModel->SetTransport( thePrecoInterface );
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theHighEnergyModel->SetMinEnergy( minFTFP );
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theHighEnergyModel->SetMaxEnergy( maxFTFP );
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// Preco : create a new model to be used only for INCLXX for nucleons
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G4VPreCompoundModel* thePreCompoundModel = new G4PreCompoundModel;
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thePreCompoundModel->SetMinEnergy( minPreco );
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thePreCompoundModel->SetMaxEnergy( maxPreco );
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// --- Preco ---
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// --- INCLXX model ---
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// The instance for nucleons:
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G4INCLXXInterface* theInclxxModel = new G4INCLXXInterface( thePreCompoundModel );
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theInclxxModel->SetMinEnergy( minINCLXX );
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theInclxxModel->SetMaxEnergy( maxBERT ); // Use the same as for Bertini
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// The instance for pions:
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G4INCLXXInterface* theInclxxModel_forPions = new G4INCLXXInterface;
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theInclxxModel_forPions->SetMinEnergy( minPreco );
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theInclxxModel_forPions->SetMaxEnergy( maxBERT ); // Use the same as for Bertini
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// Register the models
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fProtonInelasticProcess->RegisterMe( theHighEnergyModel );
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fProtonInelasticProcess->RegisterMe( theInclxxModel );
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fProtonInelasticProcess->RegisterMe( thePreCompoundModel );
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fNeutronInelasticProcess->RegisterMe( theHighEnergyModel );
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fNeutronInelasticProcess->RegisterMe( theInclxxModel );
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fNeutronInelasticProcess->RegisterMe( thePreCompoundModel );
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fPionPlusInelasticProcess->RegisterMe( theHighEnergyModel );
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fPionPlusInelasticProcess->RegisterMe( theInclxxModel_forPions );
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fPionMinusInelasticProcess->RegisterMe( theHighEnergyModel );
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fPionMinusInelasticProcess->RegisterMe( theInclxxModel_forPions );
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// Register the cross sections: this is mandatory starting from G4 10.6
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// because the default Gheisha inelastic cross sections have been removed.
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// It is convenient to use the Gheisha inelastic cross sections here
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// because they do not require any special initialization.
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fProtonInelasticProcess->AddDataSet( new G4HadronInelasticDataSet );
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fNeutronInelasticProcess->AddDataSet( new G4HadronInelasticDataSet );
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fPionPlusInelasticProcess->AddDataSet( new G4HadronInelasticDataSet );
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fPionMinusInelasticProcess->AddDataSet( new G4HadronInelasticDataSet );
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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BiasingOperation::~BiasingOperation() {}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4VParticleChange* BiasingOperation::
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ApplyFinalStateBiasing( const G4BiasingProcessInterface* ,
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const G4Track* track, const G4Step* step, G4bool& ) {
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if ( track->GetParticleDefinition() == G4Proton::Definition() ) {
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return fProtonInelasticProcess->PostStepDoIt( *track, *step );
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} else if ( track->GetParticleDefinition() == G4Neutron::Definition() ) {
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return fNeutronInelasticProcess->PostStepDoIt( *track, *step );
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} else if ( track->GetParticleDefinition() == G4PionPlus::Definition() ) {
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return fPionPlusInelasticProcess->PostStepDoIt( *track, *step );
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} else if ( track->GetParticleDefinition() == G4PionMinus::Definition() ) {
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return fPionMinusInelasticProcess->PostStepDoIt( *track, *step );
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} else {
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G4cerr << "ERROR in BiasingOperation::ApplyFinalStateBiasing : unexpected particle = "
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<< track->GetParticleDefinition()->GetParticleName() << G4endl;
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return 0;
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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