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25 //
26 //---------------------------------------------------------------------------
27 // ClassName: G4HyperonQGSPBuilder
28 // Author: Alberto Ribon
29 // Date: May 2020
30 // Modified:
31 //---------------------------------------------------------------------------
32
33 #include "G4HyperonQGSPBuilder.hh"
34 #include "G4SystemOfUnits.hh"
35 #include "G4ParticleDefinition.hh"
36 #include "G4ParticleTable.hh"
37 #include "G4ProcessManager.hh"
38 #include "G4HadronInelasticProcess.hh"
39 #include "G4CrossSectionInelastic.hh"
40 #include "G4ComponentGGHadronNucleusXsc.hh"
41 #include "G4HadronicParameters.hh"
42 #include "G4TheoFSGenerator.hh"
43 #include "G4GeneratorPrecompoundInterface.hh"
44 #include "G4QGSModel.hh"
45 #include "G4QGSParticipants.hh"
46 #include "G4QGSMFragmentation.hh"
47 #include "G4ExcitedStringDecay.hh"
48 #include "G4QuasiElasticChannel.hh"
49
50
51 G4HyperonQGSPBuilder::G4HyperonQGSPBuilder( G4bool quasiElastic ) {
52 theHyperonQGSP = new G4TheoFSGenerator( "QGSP" );
53 G4QGSModel< G4QGSParticipants >* theStringModel = new G4QGSModel< G4QGSParticipants >;
54 G4ExcitedStringDecay* theStringDecay = new G4ExcitedStringDecay( new G4QGSMFragmentation );
55 theStringModel->SetFragmentationModel( theStringDecay );
56 G4GeneratorPrecompoundInterface* theCascade = new G4GeneratorPrecompoundInterface;
57 theHyperonQGSP->SetTransport( theCascade );
58 theHyperonQGSP->SetHighEnergyGenerator( theStringModel );
59 if ( quasiElastic ) theHyperonQGSP->SetQuasiElasticChannel( new G4QuasiElasticChannel );
60 // It is recommended to use QGSP above >~ 12 GeV .
61 theMin = G4HadronicParameters::Instance()->GetMinEnergyTransitionQGS_FTF();
62 theMax = G4HadronicParameters::Instance()->GetMaxEnergy();
63 theHyperonQGSP->SetMinEnergy( theMin );
64 theHyperonQGSP->SetMaxEnergy( theMax );
65 theInelasticCrossSection = new G4CrossSectionInelastic( new G4ComponentGGHadronNucleusXsc );
66 }
67
68
69 G4HyperonQGSPBuilder::~G4HyperonQGSPBuilder() {}
70
71
72 void G4HyperonQGSPBuilder::Build( G4HadronInelasticProcess* aP ) {
73 theHyperonQGSP->SetMinEnergy( theMin );
74 theHyperonQGSP->SetMaxEnergy( theMax );
75 aP->RegisterMe( theHyperonQGSP );
76 aP->AddDataSet( theInelasticCrossSection );
77 }
78