Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/physics_lists/builders/src/G4FTFPPionBuilder.cc

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
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 15 // * use.  Please see the license in the file  LICENSE  and URL above *
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 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
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 25 //
 26 //
 27 //---------------------------------------------------------------------------
 28 //
 29 // Modified:
 30 // 12.04.2017 A.Dotti move to new design with base class
 31 //
 32 //----------------------------------------------------------------------------
 33 //
 34 #include "G4FTFPPionBuilder.hh"
 35 #include "G4SystemOfUnits.hh"
 36 #include "G4ParticleDefinition.hh"
 37 #include "G4ParticleTable.hh"
 38 #include "G4ProcessManager.hh"
 39 #include "G4BGGPionInelasticXS.hh"
 40 #include "G4HadronicParameters.hh"
 41 
 42 
 43 G4FTFPPionBuilder::
 44 G4FTFPPionBuilder(G4bool quasiElastic) 
 45 {
 46   theMin = G4HadronicParameters::Instance()->GetMinEnergyTransitionFTF_Cascade();
 47   theMax = G4HadronicParameters::Instance()->GetMaxEnergy();
 48   theModel = new G4TheoFSGenerator("FTFP");
 49 
 50   G4FTFModel* theStringModel = new G4FTFModel();
 51   theStringModel->SetFragmentationModel(new G4ExcitedStringDecay());
 52 
 53   G4GeneratorPrecompoundInterface* theCascade = 
 54     new G4GeneratorPrecompoundInterface();
 55 
 56   theModel->SetHighEnergyGenerator(theStringModel);
 57   if (quasiElastic) {
 58      theModel->SetQuasiElasticChannel(new G4QuasiElasticChannel());
 59   } 
 60 
 61   theModel->SetTransport(theCascade);
 62   theModel->SetMinEnergy(theMin);
 63   theModel->SetMaxEnergy(theMax);
 64 }
 65 
 66 G4FTFPPionBuilder::~G4FTFPPionBuilder() 
 67 {
 68 }
 69 
 70 void G4FTFPPionBuilder::
 71 Build(G4HadronInelasticProcess * aP)
 72 {
 73   theModel->SetMinEnergy(theMin);
 74   theModel->SetMaxEnergy(theMax);
 75   if ( aP->GetParticleDefinition() == G4PionPlus::Definition() ) { 
 76     aP->AddDataSet( new G4BGGPionInelasticXS( G4PionPlus::Definition() ) );
 77   } else if ( aP->GetParticleDefinition() == G4PionMinus::Definition() ) { 
 78     aP->AddDataSet( new G4BGGPionInelasticXS( G4PionMinus::Definition() ) );
 79   }
 80   aP->RegisterMe(theModel);
 81 }
 82