Geant4 Cross Reference

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Geant4/physics_lists/builders/src/G4QGSBinaryPionBuilder.cc

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  1 //
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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 "G4QGSBinaryPionBuilder.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 G4QGSBinaryPionBuilder::
 44 G4QGSBinaryPionBuilder(G4bool quasiElastic) 
 45 {
 46   theMin = G4HadronicParameters::Instance()->GetMinEnergyTransitionQGS_FTF();
 47   theModel = new G4TheoFSGenerator("QGSB");
 48 
 49   G4QGSModel< G4QGSParticipants >* theStringModel = 
 50     new G4QGSModel< G4QGSParticipants >;
 51   G4ExcitedStringDecay* theStringDecay = 
 52     new G4ExcitedStringDecay(new G4QGSMFragmentation);
 53   theStringModel->SetFragmentationModel(theStringDecay);
 54 
 55   theModel->SetTransport(new G4BinaryCascade());
 56   theModel->SetHighEnergyGenerator(theStringModel);
 57   if (quasiElastic)
 58     {
 59       theModel->SetQuasiElasticChannel(new G4QuasiElasticChannel());
 60     } 
 61 }
 62 
 63 G4QGSBinaryPionBuilder::
 64 ~G4QGSBinaryPionBuilder() 
 65 {
 66 }
 67 
 68 void G4QGSBinaryPionBuilder::
 69 Build(G4HadronInelasticProcess * aP)
 70 {
 71   theModel->SetMinEnergy(theMin);
 72   theModel->SetMaxEnergy( G4HadronicParameters::Instance()->GetMaxEnergy() );
 73   if ( aP->GetParticleDefinition() == G4PionPlus::Definition() ) { 
 74     aP->AddDataSet( new G4BGGPionInelasticXS( G4PionPlus::Definition() ) );
 75   } else if ( aP->GetParticleDefinition() == G4PionMinus::Definition() ) { 
 76     aP->AddDataSet( new G4BGGPionInelasticXS( G4PionMinus::Definition() ) );
 77   }
 78   aP->RegisterMe(theModel);
 79 }
 80