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25 //
26 //
27 //---------------------------------------------------------------------------
28 //
29 // ClassName: G4BertiniElectroNuclearBuilder
30 //
31 // Author: 2002 H.P. Wellisch
32 //
33 // Modified:
34 // 25.04.2006 V.Ivanchenko fix destructor
35 //
36 //----------------------------------------------------------------------------
37 //
38
39 #include "G4BertiniElectroNuclearBuilder.hh"
40
41 #include "globals.hh"
42 #include "G4ios.hh"
43 #include "G4SystemOfUnits.hh"
44
45 #include "G4ParticleDefinition.hh"
46 #include "G4ParticleTable.hh"
47 #include "G4Gamma.hh"
48 #include "G4Electron.hh"
49 #include "G4Positron.hh"
50 #include "G4ProcessManager.hh"
51 #include "G4GammaGeneralProcess.hh"
52 #include "G4LossTableManager.hh"
53
54 #include "G4ElectroVDNuclearModel.hh"
55 #include "G4ElectronNuclearProcess.hh"
56 #include "G4PositronNuclearProcess.hh"
57 #include "G4PhotoNuclearCrossSection.hh"
58
59 #include "G4ios.hh"
60
61 #include "G4TheoFSGenerator.hh"
62 #include "G4GeneratorPrecompoundInterface.hh"
63 #include "G4QGSModel.hh"
64 #include "G4GammaParticipants.hh"
65 #include "G4QGSMFragmentation.hh"
66 #include "G4ExcitedStringDecay.hh"
67
68
69 #include "G4HadronicParameters.hh"
70
71 G4BertiniElectroNuclearBuilder::G4BertiniElectroNuclearBuilder(G4bool eNucl)
72 : eActivated(eNucl)
73 {}
74
75 void G4BertiniElectroNuclearBuilder::Build()
76 {
77 // gamma
78 thePhotoNuclearProcess = new G4HadronInelasticProcess( "photonNuclear", G4Gamma::Definition() );
79 thePhotoNuclearProcess->AddDataSet( new G4PhotoNuclearCrossSection() );
80 theGammaReaction = new G4CascadeInterface();
81
82 auto theModel = new G4TheoFSGenerator;
83
84 auto theStringModel = new G4QGSModel< G4GammaParticipants >;
85 auto theStringDecay = new G4ExcitedStringDecay( new G4QGSMFragmentation() );
86 theStringModel->SetFragmentationModel(theStringDecay);
87
88 auto theCascade = new G4GeneratorPrecompoundInterface();
89
90 theModel->SetTransport(theCascade);
91 theModel->SetHighEnergyGenerator(theStringModel);
92
93 G4ProcessManager* aProcMan = nullptr;
94
95 theGammaReaction->SetMaxEnergy(3.5*GeV);
96 thePhotoNuclearProcess->RegisterMe(theGammaReaction);
97 theModel->SetMinEnergy(3.*GeV);
98 theModel->SetMaxEnergy( G4HadronicParameters::Instance()->GetMaxEnergy() );
99 thePhotoNuclearProcess->RegisterMe(theModel);
100
101 G4GammaGeneralProcess* sp =
102 dynamic_cast<G4GammaGeneralProcess*>(G4LossTableManager::Instance()->GetGammaGeneralProcess());
103 if ( nullptr != sp ) {
104 sp->AddHadProcess(thePhotoNuclearProcess);
105 } else {
106 aProcMan = G4Gamma::Gamma()->GetProcessManager();
107 aProcMan->AddDiscreteProcess(thePhotoNuclearProcess);
108 }
109
110 // e+, e-
111 if (eActivated) {
112
113 auto theElectronNuclearProcess = new G4ElectronNuclearProcess();
114 auto thePositronNuclearProcess = new G4PositronNuclearProcess();
115 auto theElectroReaction = new G4ElectroVDNuclearModel();
116
117 aProcMan = G4Electron::Electron()->GetProcessManager();
118 theElectronNuclearProcess->RegisterMe(theElectroReaction);
119 aProcMan->AddDiscreteProcess(theElectronNuclearProcess);
120
121 aProcMan = G4Positron::Positron()->GetProcessManager();
122 thePositronNuclearProcess->RegisterMe(theElectroReaction);
123 aProcMan->AddDiscreteProcess(thePositronNuclearProcess);
124 }
125 }
126
127