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Geant4/physics_lists/builders/src/G4QGSBinaryPiKBuilder.cc

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 25 //
 26 //
 27 //---------------------------------------------------------------------------
 28 //
 29 // ClassName:   G4QGSBinaryPiKBuilder
 30 //
 31 // Author: 2006 G.Folger
 32 //
 33 // Modified:
 34 // 30.03.2009 V.Ivanchenko create cross section by new
 35 // 12.04.2017 A.Dotti move to new design with base class
 36 //
 37 //----------------------------------------------------------------------------
 38 //
 39 #include "G4QGSBinaryPiKBuilder.hh"
 40 #include "G4SystemOfUnits.hh"
 41 #include "G4ParticleDefinition.hh"
 42 #include "G4ParticleTable.hh"
 43 #include "G4ProcessManager.hh"
 44 #include "G4BGGPionInelasticXS.hh"
 45 #include "G4HadronicParameters.hh"
 46 
 47 
 48 G4QGSBinaryPiKBuilder::
 49 G4QGSBinaryPiKBuilder(G4bool quasiElastic) 
 50 {
 51   theMin = G4HadronicParameters::Instance()->GetMinEnergyTransitionQGS_FTF();
 52   theModel = new G4TheoFSGenerator("QGSB");
 53 
 54   G4QGSModel< G4QGSParticipants >* theStringModel = 
 55     new G4QGSModel< G4QGSParticipants >;
 56   G4ExcitedStringDecay* theStringDecay = 
 57     new G4ExcitedStringDecay(new G4QGSMFragmentation);
 58   theStringModel->SetFragmentationModel(theStringDecay);
 59 
 60   theModel->SetTransport(new G4BinaryCascade());
 61   theModel->SetHighEnergyGenerator(theStringModel);
 62   if (quasiElastic)
 63     {
 64       theModel->SetQuasiElasticChannel(new G4QuasiElasticChannel());
 65     } 
 66 }
 67 
 68 G4QGSBinaryPiKBuilder::
 69 ~G4QGSBinaryPiKBuilder() 
 70 {
 71 }
 72 
 73 void G4QGSBinaryPiKBuilder::
 74 Build(G4HadronInelasticProcess * aP)
 75 {
 76   theModel->SetMinEnergy(theMin);
 77   theModel->SetMaxEnergy( G4HadronicParameters::Instance()->GetMaxEnergy() );
 78   if ( aP->GetParticleDefinition() == G4PionPlus::Definition() ) { 
 79     aP->AddDataSet( new G4BGGPionInelasticXS( G4PionPlus::Definition() ) );
 80   } else if ( aP->GetParticleDefinition() == G4PionMinus::Definition() ) { 
 81     aP->AddDataSet( new G4BGGPionInelasticXS( G4PionMinus::Definition() ) );
 82   }
 83   aP->RegisterMe(theModel);
 84 }
 85