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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // Geant4 source file
30 //
31 // File name: G4ParticleHPInelasticURR.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
39 // the proper isotope cross-section is stored in
40 // ParticleHP.
41 //
42 // Modifications:
43 //
44 // -------------------------------------------------------------------
45 //
46 //
47
48 #include "G4ParticleHPInelasticURR.hh"
49 #include "G4ParticleHPManager.hh"
50 #include "G4HadronicParameters.hh"
51 #include "G4ParticleHPChannel.hh"
52 #include "G4ParticleHPInelastic.hh"
53 #include "G4ParticleHPProbabilityTablesStore.hh"
54 #include "G4SystemOfUnits.hh"
55 #include "G4Threading.hh"
56
57
58 G4ParticleHPInelasticURR::G4ParticleHPInelasticURR() : G4HadronicInteraction( "NeutronHPInelasticURR" ) {
59 SetMinEnergy( 0.0 * CLHEP::eV );
60 SetMaxEnergy( 20.0 * CLHEP::MeV );
61 particleHPinelastic = new G4ParticleHPInelastic( G4Neutron::Neutron(), "NeutronHPInelastic" );
62 }
63
64
65 G4ParticleHPInelasticURR::~G4ParticleHPInelasticURR() {}
66
67
68 G4HadFinalState* G4ParticleHPInelasticURR::ApplyYourself( const G4HadProjectile& aTrack, G4Nucleus& aNucleus ) {
69 if ( doNOTusePTforInelastic ) {
70 return particleHPinelastic->ApplyYourself( aTrack, aNucleus );
71 }
72 const G4Material* theMaterial = aTrack.GetMaterial();
73 G4double kineticEnergy = aTrack.GetKineticEnergy();
74 G4HadFinalState* theFinalState = nullptr;
75 if ( kineticEnergy < (*URRlimits).back().first || kineticEnergy > (*URRlimits).back().second ) {
76 return particleHPinelastic->ApplyYourself( aTrack, aNucleus );
77 }
78 G4int elementI = -1;
79 G4int isotopeJ = -1;
80 G4int A = aNucleus.GetA_asInt();
81 G4int Z = aNucleus.GetZ_asInt();
82 G4ParticleHPManager::GetInstance()->OpenReactionWhiteBoard();
83 // finds the element and isotope of the selected target aNucleus
84 for ( G4int i = 0; i < (G4int)theMaterial->GetNumberOfElements(); ++i ) {
85 if ( Z == theMaterial->GetElement(i)->GetZasInt() ) {
86 for ( G4int j = 0; j < (G4int)theMaterial->GetElement(i)->GetNumberOfIsotopes(); ++j ) {
87 if ( A == theMaterial->GetElement(i)->GetIsotope(j)->GetN() ) {
88 isotopeJ = j;
89 break;
90 }
91 }
92 // the loop cannot be ended here because the material can have two elements with same Z but different isotopic composition
93 if ( isotopeJ != -1 ) {
94 // isotope was found and for loop is ended
95 elementI = (G4int)theMaterial->GetElement(i)->GetIndex();
96 break;
97 }
98 } // end if find element
99 } // end element loop
100 // Check whether the energy is out of the URR limits for the given element
101 if ( kineticEnergy < (*URRlimits).at(elementI).first || kineticEnergy > (*URRlimits).at(elementI).second ) {
102 // Call inelastic final state in G4ParicleHPChannel and SELECT ISOTOPE (to be improved in the future)
103 const G4Element* target_element = (*G4Element::GetElementTable())[elementI];
104 theFinalState = (*G4ParticleHPManager::GetInstance()->GetInelasticFinalStates( aTrack.GetDefinition() ))[elementI]
105 ->ApplyYourself( target_element, aTrack );
106 // Update target nucleus information according to the selected isotope
107 G4int selectedIsotope_A = G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA();
108 aNucleus.SetParameters( selectedIsotope_A, Z );
109 const G4Isotope* target_isotope = nullptr;
110 // Find the selected isotope among in the element
111 for ( G4int j = 0; j < (G4int)target_element->GetNumberOfIsotopes(); ++j ) {
112 target_isotope = target_element->GetIsotope(j);
113 if ( target_isotope->GetN() == selectedIsotope_A ) break;
114 }
115 aNucleus.SetIsotope( target_isotope );
116 } else {
117 // the energy is inside the limits of the URR and the isotope has to be found, calls the final state for the found element and isotope
118 theFinalState = (*G4ParticleHPManager::GetInstance()->GetInelasticFinalStates( aTrack.GetDefinition() ))[elementI]
119 ->ApplyYourself( isotopeJ, Z, A, aTrack );
120 }
121 G4ParticleHPManager::GetInstance()->CloseReactionWhiteBoard();
122 return theFinalState;
123 }
124
125
126 void G4ParticleHPInelasticURR::BuildPhysicsTable( const G4ParticleDefinition& ) {
127 particleHPinelastic->BuildPhysicsTable( *(G4Neutron::Neutron()) );
128 if ( G4HadronicParameters::Instance()->GetTypeTablePT() == "njoy" ) {
129 doNOTusePTforInelastic = true;
130 } else if ( G4HadronicParameters::Instance()->GetTypeTablePT() == "calendf" ) {
131 doNOTusePTforInelastic = false;
132 // in the case of calendf probability tables, it sets the limits of the URR
133 URRlimits = G4ParticleHPManager::GetInstance()->GetURRlimits();
134 if ( URRlimits == nullptr ) {
135 G4ParticleHPProbabilityTablesStore::GetInstance()->InitURRlimits();
136 URRlimits = G4ParticleHPProbabilityTablesStore::GetInstance()->GetURRlimits();
137 G4ParticleHPManager::GetInstance()->RegisterURRlimits( URRlimits );
138 }
139 }
140 }
141
142
143 const std::pair< G4double, G4double > G4ParticleHPInelasticURR::GetFatalEnergyCheckLevels() const {
144 // max energy non-conservation is mass of heavy nucleus
145 return std::pair< G4double, G4double >( 10.0 * perCent, 350.0 * CLHEP::GeV );
146 }
147
148
149 G4int G4ParticleHPInelasticURR::GetVerboseLevel() const {
150 return G4ParticleHPManager::GetInstance()->GetVerboseLevel();
151 }
152
153
154 void G4ParticleHPInelasticURR::SetVerboseLevel( G4int newValue ) {
155 G4ParticleHPManager::GetInstance()->SetVerboseLevel( newValue );
156 }
157
158
159 void G4ParticleHPInelasticURR::ModelDescription( std::ostream& outFile ) const {
160 outFile << "High Precision model based on Evaluated Nuclear Data Files (ENDF) for Inelastic reaction of neutrons in the unresolved resonance region.";
161 }
162