| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // Geant4 source file
30 //
31 // File name: G4ParticleHPCaptureURR.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 "G4ParticleHPCaptureURR.hh"
48 #include "G4ParticleHPManager.hh"
49 #include "G4ParticleHPChannel.hh"
50 #include "G4NeutronHPCapture.hh"
51 #include "G4ParticleHPProbabilityTablesStore.hh"
52 #include "G4SystemOfUnits.hh"
53 #include "G4Threading.hh"
54
55
56 G4ParticleHPCaptureURR::G4ParticleHPCaptureURR() : G4HadronicInteraction( "NeutronHPCaptureURR" ) {
57 SetMinEnergy( 0.0 * CLHEP::eV );
58 SetMaxEnergy( 20.0 * CLHEP::MeV );
59 neutronHPcapture = new G4NeutronHPCapture;
60 }
61
62
63 G4ParticleHPCaptureURR::~G4ParticleHPCaptureURR() {}
64
65
66 G4HadFinalState* G4ParticleHPCaptureURR::ApplyYourself( const G4HadProjectile& aTrack, G4Nucleus& aNucleus ) {
67 const G4Material* theMaterial = aTrack.GetMaterial();
68 G4double kineticEnergy = aTrack.GetKineticEnergy();
69 G4HadFinalState* theFinalState = nullptr;
70 if ( kineticEnergy < (*URRlimits).back().first || kineticEnergy >(*URRlimits).back().second ) {
71 return neutronHPcapture->ApplyYourself( aTrack, aNucleus );
72 }
73 G4int elementI = -1;
74 G4int isotopeJ = -1;
75 G4int A = aNucleus.GetA_asInt();
76 G4int Z = aNucleus.GetZ_asInt();
77 // finds the element and isotope of the selected target aNucleus
78 for ( G4int i = 0; i < (G4int)theMaterial->GetNumberOfElements(); ++i ) {
79 if ( Z == theMaterial->GetElement(i)->GetZasInt() ) {
80 for ( G4int j = 0; j < (G4int)theMaterial->GetElement(i)->GetNumberOfIsotopes(); ++j ) {
81 if ( A == theMaterial->GetElement(i)->GetIsotope(j)->GetN() ) {
82 isotopeJ = j;
83 break;
84 }
85 }
86 // the loop cannot be ended here because the material can have two elements with same Z but different isotopic composition
87 if ( isotopeJ != -1 ) {
88 // isotope was found and for loop is ended
89 elementI = (G4int)theMaterial->GetElement(i)->GetIndex();
90 break;
91 }
92 } // end if find element
93 } // end element loop
94 // Check whether the energy is out of the URR limits for the given element
95 if ( kineticEnergy < (*URRlimits).at(elementI).first || kineticEnergy > (*URRlimits).at(elementI).second ) {
96 // Call capture final state in G4ParicleHPChannel and SELECT ISOTOPE (to be improved in the future)
97 G4ParticleHPManager::GetInstance()->OpenReactionWhiteBoard();
98 theFinalState = (*G4ParticleHPManager::GetInstance()->GetCaptureFinalStates())[elementI]->ApplyYourself( aTrack );
99 // Update target nucleus information according to the selected isotope
100 G4int selectedIsotope_A = G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA();
101 aNucleus.SetParameters( selectedIsotope_A, Z );
102 const G4Element* target_element = (*G4Element::GetElementTable())[elementI];
103 const G4Isotope* target_isotope = nullptr;
104 // Find the selected isotope among in the element
105 for ( G4int j = 0; j < (G4int)target_element->GetNumberOfIsotopes(); ++j ) {
106 target_isotope = target_element->GetIsotope(j);
107 if ( target_isotope->GetN() == selectedIsotope_A ) break;
108 }
109 aNucleus.SetIsotope( target_isotope );
110 G4ParticleHPManager::GetInstance()->CloseReactionWhiteBoard();
111 } else { // the energy is inside the limits of the URR
112 // calls the final state for the found element and isotope
113 theFinalState = ((*G4ParticleHPManager::GetInstance()->GetCaptureFinalStates())[elementI]->GetFinalStates())[isotopeJ]->ApplyYourself( aTrack );
114 }
115 return theFinalState;
116 }
117
118
119 void G4ParticleHPCaptureURR::BuildPhysicsTable( const G4ParticleDefinition& ) {
120 neutronHPcapture->BuildPhysicsTable( *(G4Neutron::Neutron() ) );
121 URRlimits = G4ParticleHPManager::GetInstance()->GetURRlimits();
122 if ( URRlimits == nullptr ) {
123 G4ParticleHPProbabilityTablesStore::GetInstance()->InitURRlimits();
124 URRlimits = G4ParticleHPProbabilityTablesStore::GetInstance()->GetURRlimits();
125 G4ParticleHPManager::GetInstance()->RegisterURRlimits( URRlimits );
126 }
127 }
128
129
130 const std::pair< G4double, G4double > G4ParticleHPCaptureURR::GetFatalEnergyCheckLevels() const {
131 // max energy non-conservation is mass of heavy nucleus
132 return std::pair< G4double, G4double >( 10.0 * perCent, 350.0 * CLHEP::GeV );
133 }
134
135
136 G4int G4ParticleHPCaptureURR::GetVerboseLevel() const {
137 return G4ParticleHPManager::GetInstance()->GetVerboseLevel();
138 }
139
140
141 void G4ParticleHPCaptureURR::SetVerboseLevel( G4int newValue ) {
142 G4ParticleHPManager::GetInstance()->SetVerboseLevel( newValue );
143 }
144
145
146 void G4ParticleHPCaptureURR::ModelDescription( std::ostream& outFile ) const {
147 outFile << "High Precision model based on Evaluated Nuclear Data Files (ENDF) for capture reaction of neutrons in the unresolved resonance region.";
148 }
149