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26 //-------------------------------------------- 26 //--------------------------------------------------------------------------
27 // ClassName: G4QGSPAntiBarionBuilder 27 // ClassName: G4QGSPAntiBarionBuilder
28 // Author: Alberto Ribon 28 // Author: Alberto Ribon
29 // Date: May 2020 29 // Date: May 2020
30 // 30 //
31 // Modified: 31 // Modified:
32 //-------------------------------------------- 32 //---------------------------------------------------------------------------
33 33
34 #include "G4QGSPAntiBarionBuilder.hh" 34 #include "G4QGSPAntiBarionBuilder.hh"
35 #include "G4SystemOfUnits.hh" 35 #include "G4SystemOfUnits.hh"
36 #include "G4ParticleDefinition.hh" 36 #include "G4ParticleDefinition.hh"
37 #include "G4ParticleTable.hh" 37 #include "G4ParticleTable.hh"
38 #include "G4ProcessManager.hh" 38 #include "G4ProcessManager.hh"
39 #include "G4ComponentAntiNuclNuclearXS.hh" 39 #include "G4ComponentAntiNuclNuclearXS.hh"
40 #include "G4CrossSectionInelastic.hh" 40 #include "G4CrossSectionInelastic.hh"
41 #include "G4CrossSectionDataSetRegistry.hh" 41 #include "G4CrossSectionDataSetRegistry.hh"
42 #include "G4HadronicParameters.hh" 42 #include "G4HadronicParameters.hh"
43 #include "G4TheoFSGenerator.hh" 43 #include "G4TheoFSGenerator.hh"
44 #include "G4GeneratorPrecompoundInterface.hh" 44 #include "G4GeneratorPrecompoundInterface.hh"
45 #include "G4QGSModel.hh" 45 #include "G4QGSModel.hh"
46 #include "G4QGSParticipants.hh" 46 #include "G4QGSParticipants.hh"
47 #include "G4QGSMFragmentation.hh" 47 #include "G4QGSMFragmentation.hh"
48 #include "G4ExcitedStringDecay.hh" 48 #include "G4ExcitedStringDecay.hh"
49 #include "G4FTFModel.hh" 49 #include "G4FTFModel.hh"
50 #include "G4LundStringFragmentation.hh" 50 #include "G4LundStringFragmentation.hh"
51 #include "G4QuasiElasticChannel.hh" 51 #include "G4QuasiElasticChannel.hh"
52 52
53 53
54 G4QGSPAntiBarionBuilder::G4QGSPAntiBarionBuild 54 G4QGSPAntiBarionBuilder::G4QGSPAntiBarionBuilder( G4bool quasiElastic ) {
55 G4CrossSectionDataSetRegistry* xsreg = G4Cro 55 G4CrossSectionDataSetRegistry* xsreg = G4CrossSectionDataSetRegistry::Instance();
56 G4VComponentCrossSection* theAntiNucleonXS = 56 G4VComponentCrossSection* theAntiNucleonXS = xsreg->GetComponentCrossSection( "AntiAGlauber" );
57 if ( ! theAntiNucleonXS ) theAntiNucleonXS = 57 if ( ! theAntiNucleonXS ) theAntiNucleonXS = new G4ComponentAntiNuclNuclearXS;
58 theAntiNucleonData = new G4CrossSectionInela 58 theAntiNucleonData = new G4CrossSectionInelastic( theAntiNucleonXS );
59 theMin = G4HadronicParameters::Instance()->G 59 theMin = G4HadronicParameters::Instance()->GetMinEnergyTransitionQGS_FTF(); // Safe choice
60 theMax = G4HadronicParameters::Instance()->G 60 theMax = G4HadronicParameters::Instance()->GetMaxEnergy();
61 // The main model, QGSP, applicable only for 61 // The main model, QGSP, applicable only for anti_proton and anti_neutron
62 theQGSmodel = new G4TheoFSGenerator( "QGSP" 62 theQGSmodel = new G4TheoFSGenerator( "QGSP" );
63 G4QGSModel< G4QGSParticipants >* theStringMo 63 G4QGSModel< G4QGSParticipants >* theStringModel = new G4QGSModel< G4QGSParticipants >;
64 G4ExcitedStringDecay* theStringDecay = new G 64 G4ExcitedStringDecay* theStringDecay = new G4ExcitedStringDecay( new G4QGSMFragmentation );
65 theStringModel->SetFragmentationModel( theSt 65 theStringModel->SetFragmentationModel( theStringDecay );
66 G4GeneratorPrecompoundInterface* theCascade 66 G4GeneratorPrecompoundInterface* theCascade = new G4GeneratorPrecompoundInterface();
67 theQGSmodel->SetTransport( theCascade ); 67 theQGSmodel->SetTransport( theCascade );
68 theQGSmodel->SetHighEnergyGenerator( theStri 68 theQGSmodel->SetHighEnergyGenerator( theStringModel );
69 if ( quasiElastic ) theQGSmodel->SetQuasiEla 69 if ( quasiElastic ) theQGSmodel->SetQuasiElasticChannel( new G4QuasiElasticChannel );
70 theQGSmodel->SetTransport(theCascade); 70 theQGSmodel->SetTransport(theCascade);
71 theQGSmodel->SetMinEnergy( theMin ); 71 theQGSmodel->SetMinEnergy( theMin );
72 theQGSmodel->SetMaxEnergy( theMax ); 72 theQGSmodel->SetMaxEnergy( theMax );
73 // The auxilary model, FTFP, needed for anti 73 // The auxilary model, FTFP, needed for anti_deuteron, anti_triton, anti_He3 and anti_alpha
74 theFTFmodel = new G4TheoFSGenerator( "FTFP" 74 theFTFmodel = new G4TheoFSGenerator( "FTFP" );
75 G4FTFModel* theStringModel2 = new G4FTFModel 75 G4FTFModel* theStringModel2 = new G4FTFModel;
76 theStringModel2->SetFragmentationModel( new 76 theStringModel2->SetFragmentationModel( new G4ExcitedStringDecay );
77 G4GeneratorPrecompoundInterface* theCascade2 77 G4GeneratorPrecompoundInterface* theCascade2 = new G4GeneratorPrecompoundInterface;
78 theFTFmodel->SetHighEnergyGenerator( theStri 78 theFTFmodel->SetHighEnergyGenerator( theStringModel2 );
79 G4double quasiElasticFTF = false; // Use bu 79 G4double quasiElasticFTF = false; // Use built-in quasi-elastic (not add-on)
80 if ( quasiElasticFTF ) theFTFmodel->SetQuasi 80 if ( quasiElasticFTF ) theFTFmodel->SetQuasiElasticChannel( new G4QuasiElasticChannel );
81 theFTFmodel->SetTransport( theCascade2 ); 81 theFTFmodel->SetTransport( theCascade2 );
82 theFTFmodel->SetMinEnergy( theMin ); 82 theFTFmodel->SetMinEnergy( theMin );
83 theFTFmodel->SetMaxEnergy( theMax ); 83 theFTFmodel->SetMaxEnergy( theMax );
84 } 84 }
85 85
86 86
87 void G4QGSPAntiBarionBuilder::Build( G4HadronI << 87 void G4QGSPAntiBarionBuilder::Build( G4AntiProtonInelasticProcess* aP ) {
88 if ( aP->GetParticleDefinition() && aP->Ge << 88 theQGSmodel->SetMinEnergy( theMin );
89 // Light anti-ions: for the time being QGS << 89 theQGSmodel->SetMaxEnergy( theMax );
90 theFTFmodel->SetMinEnergy( theMin ); <<
91 theFTFmodel->SetMaxEnergy( theMax ); <<
92 aP->RegisterMe( theFTFmodel ); <<
93 } else { <<
94 // Anti-proton and anti-neutron: use QGSP <<
95 theQGSmodel->SetMinEnergy( theMin ); <<
96 theQGSmodel->SetMaxEnergy( theMax ); <<
97 aP->RegisterMe( theQGSmodel ); <<
98 } <<
99 aP->AddDataSet( theAntiNucleonData ); 90 aP->AddDataSet( theAntiNucleonData );
>> 91 aP->RegisterMe( theQGSmodel );
>> 92 }
>> 93
>> 94
>> 95 void G4QGSPAntiBarionBuilder::Build( G4AntiNeutronInelasticProcess* aP ) {
>> 96 theQGSmodel->SetMinEnergy( theMin );
>> 97 theQGSmodel->SetMaxEnergy( theMax );
>> 98 aP->AddDataSet( theAntiNucleonData );
>> 99 aP->RegisterMe( theQGSmodel );
>> 100 }
>> 101
>> 102
>> 103 void G4QGSPAntiBarionBuilder::Build( G4AntiDeuteronInelasticProcess* aP ) {
>> 104 // For the time being QGSP cannot handle anti_deuteron: use FTFP
>> 105 theFTFmodel->SetMinEnergy( theMin );
>> 106 theFTFmodel->SetMaxEnergy( theMax );
>> 107 aP->AddDataSet( theAntiNucleonData );
>> 108 aP->RegisterMe( theFTFmodel );
>> 109 }
>> 110
>> 111
>> 112 void G4QGSPAntiBarionBuilder::Build( G4AntiTritonInelasticProcess* aP ) {
>> 113 // For the time being QGSP cannot handle anti_triton: use FTFP
>> 114 theFTFmodel->SetMinEnergy( theMin );
>> 115 theFTFmodel->SetMaxEnergy( theMax );
>> 116 aP->AddDataSet( theAntiNucleonData );
>> 117 aP->RegisterMe( theFTFmodel );
>> 118 }
>> 119
>> 120
>> 121 void G4QGSPAntiBarionBuilder::Build( G4AntiHe3InelasticProcess* aP ) {
>> 122 // For the time being QGSP cannot handle anti_He3: use FTFP
>> 123 theFTFmodel->SetMinEnergy( theMin );
>> 124 theFTFmodel->SetMaxEnergy( theMax );
>> 125 aP->AddDataSet( theAntiNucleonData );
>> 126 aP->RegisterMe( theFTFmodel );
>> 127 }
>> 128
>> 129
>> 130 void G4QGSPAntiBarionBuilder::Build( G4AntiAlphaInelasticProcess* aP ) {
>> 131 // For the time being QGSP cannot handle anti_alpha: use FTFP
>> 132 theFTFmodel->SetMinEnergy( theMin );
>> 133 theFTFmodel->SetMaxEnergy( theMax );
>> 134 aP->AddDataSet( theAntiNucleonData );
>> 135 aP->RegisterMe( theFTFmodel );
100 } 136 }
101 137