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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // Geant4 source file
30 //
31 // File name: G4ParticleHPFissionURR.cc
32 //
33 // Authors: Marek Zmeskal (CTU, Czech Technical University in Prague, Czech Republic)
34 // Loic Thulliez (CEA France)
35 //
36 // Creation date: 4 June 2024
37 //
38 // Description: Class to handle URR range, can be omitted once the
39 // proper isotope cross-section is stored in ParticleHP.
40 //
41 // Modifications:
42 //
43 // -------------------------------------------------------------------
44 //
45 //
46
47 #include "G4ParticleHPFissionURR.hh"
48 #include "G4ParticleHPManager.hh"
49 #include "G4ParticleHPChannel.hh"
50 #include "G4ParticleHPFission.hh"
51 #include "G4WendtFissionFragmentGenerator.hh"
52 #include "G4ParticleHPProbabilityTablesStore.hh"
53 #include "G4SystemOfUnits.hh"
54 #include "G4Threading.hh"
55
56
57 G4ParticleHPFissionURR::G4ParticleHPFissionURR() : G4HadronicInteraction( "NeutronHPFissionURR" ) {
58 SetMinEnergy( 0.0 * CLHEP::eV );
59 SetMaxEnergy( 20.0 * CLHEP::MeV );
60 particleHPfission = new G4ParticleHPFission;
61 }
62
63
64 G4ParticleHPFissionURR::~G4ParticleHPFissionURR() {}
65
66
67 G4HadFinalState* G4ParticleHPFissionURR::ApplyYourself( const G4HadProjectile& aTrack, G4Nucleus& aNucleus ) {
68 const G4Material* theMaterial = aTrack.GetMaterial();
69 G4double kineticEnergy = aTrack.GetKineticEnergy();
70 G4HadFinalState* theFinalState = nullptr;
71 if ( kineticEnergy < (*URRlimits).back().first || kineticEnergy > (*URRlimits).back().second ) {
72 return particleHPfission->ApplyYourself( aTrack, aNucleus );
73 }
74 G4int elementI = -1;
75 G4int isotopeJ = -1;
76 G4int A = aNucleus.GetA_asInt();
77 G4int Z = aNucleus.GetZ_asInt();
78 // finds the element and isotope of the selected target aNucleus
79 for ( G4int i = 0; i < (G4int)theMaterial->GetNumberOfElements(); ++i ) {
80 if ( Z == theMaterial->GetElement(i)->GetZasInt() ) {
81 for ( G4int j = 0; j < (G4int)theMaterial->GetElement(i)->GetNumberOfIsotopes(); ++j ) {
82 if ( A == theMaterial->GetElement(i)->GetIsotope(j)->GetN() ) {
83 isotopeJ = j;
84 break;
85 }
86 }
87 // the loop cannot be ended here because the material can have two elements with same Z but different isotopic composition
88 if ( isotopeJ != -1 ) {
89 // isotope was found and for loop is ended
90 elementI = (G4int)theMaterial->GetElement(i)->GetIndex();
91 break;
92 }
93 } // end if find element
94 } // end element loop
95 // Check whether the energy is out of the URR limits for the given element
96 if ( kineticEnergy < (*URRlimits).at(elementI).first || kineticEnergy > (*URRlimits).at(elementI).second ) {
97 // Call fission final state in G4ParicleHPChannel and SELECT ISOTOPE (to be improved in the future)
98 G4ParticleHPManager::GetInstance()->OpenReactionWhiteBoard();
99 theFinalState = (*G4ParticleHPManager::GetInstance()->GetFissionFinalStates())[elementI]->ApplyYourself( aTrack, -2 );
100 // Update target nucleus information according to the selected isotope
101 G4int selectedIsotope_A = G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA();
102 aNucleus.SetParameters( selectedIsotope_A, Z );
103 const G4Element* target_element = (*G4Element::GetElementTable())[elementI];
104 const G4Isotope* target_isotope = nullptr;
105 // Find the selected isotope among in the element
106 for ( G4int j = 0; j < (G4int)target_element->GetNumberOfIsotopes(); ++j ) {
107 target_isotope = target_element->GetIsotope(j);
108 if ( target_isotope->GetN() == selectedIsotope_A ) break;
109 }
110 aNucleus.SetIsotope( target_isotope );
111 G4ParticleHPManager::GetInstance()->CloseReactionWhiteBoard();
112 } else {
113 // the energy is inside the limits of the URR, part copied from G4ParticleHPChannel::ApplyYourself
114 if ( G4ParticleHPManager::GetInstance()->GetUseWendtFissionModel() ) {
115 if ( (*G4ParticleHPManager::GetInstance()->GetFissionFinalStates())[elementI]->GetWendtFissionGenerator() ) {
116 theFinalState = (*G4ParticleHPManager::GetInstance()->GetFissionFinalStates())[elementI]->GetWendtFissionGenerator()->ApplyYourself( aTrack, Z, A );
117 }
118 }
119 if ( ! theFinalState ) {
120 G4int icounter = 0;
121 G4int icounter_max = 1024;
122 while ( theFinalState == nullptr ) {
123 icounter++;
124 if ( icounter > icounter_max ) {
125 G4cout << "Loop-counter exceeded the threshold value at " << __LINE__ << "th line of " << __FILE__ << "." << G4endl;
126 break;
127 }
128 // calls the final state for the found element and isotope
129 theFinalState = ((*G4ParticleHPManager::GetInstance()->GetFissionFinalStates())[elementI]->GetFinalStates())[isotopeJ]->ApplyYourself( aTrack );
130 }
131 }
132 }
133 return theFinalState;
134 }
135
136
137 void G4ParticleHPFissionURR::BuildPhysicsTable( const G4ParticleDefinition& ) {
138 particleHPfission->BuildPhysicsTable( *(G4Neutron::Neutron()) );
139 URRlimits = G4ParticleHPManager::GetInstance()->GetURRlimits();
140 if ( URRlimits == nullptr ) {
141 G4ParticleHPProbabilityTablesStore::GetInstance()->InitURRlimits();
142 URRlimits = G4ParticleHPProbabilityTablesStore::GetInstance()->GetURRlimits();
143 G4ParticleHPManager::GetInstance()->RegisterURRlimits( URRlimits );
144 }
145 }
146
147
148 const std::pair< G4double, G4double > G4ParticleHPFissionURR::GetFatalEnergyCheckLevels() const {
149 // max energy non-conservation is mass of heavy nucleus
150 return std::pair< G4double, G4double >( 10.0 * perCent, 350.0 * CLHEP::GeV );
151 }
152
153
154 G4int G4ParticleHPFissionURR::GetVerboseLevel() const {
155 return G4ParticleHPManager::GetInstance()->GetVerboseLevel();
156 }
157
158
159 void G4ParticleHPFissionURR::SetVerboseLevel( G4int newValue ) {
160 G4ParticleHPManager::GetInstance()->SetVerboseLevel( newValue );
161 }
162
163
164 void G4ParticleHPFissionURR::ModelDescription( std::ostream& outFile ) const {
165 outFile << "High Precision model based on Evaluated Nuclear Data Files (ENDF) for fission reaction of neutrons in the unresolved resonance region.";
166 }
167