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51 // Copyright (c) 2006 The Regents of the Unive 51 // Copyright (c) 2006 The Regents of the University of California.
52 // All rights reserved. 52 // All rights reserved.
53 // UCRL-CODE-224807 53 // UCRL-CODE-224807
54 // 54 //
55 // 55 //
56 // 56 //
57 // neutron_hp -- source file 57 // neutron_hp -- source file
58 // J.M. Verbeke, Jan-2007 58 // J.M. Verbeke, Jan-2007
59 // A prototype of the low energy neutron trans 59 // A prototype of the low energy neutron transport model.
60 // 60 //
61 #include "G4FissLib.hh" 61 #include "G4FissLib.hh"
62 #include "G4SystemOfUnits.hh" 62 #include "G4SystemOfUnits.hh"
63 63
64 G4FissLib::G4FissLib() 64 G4FissLib::G4FissLib()
65 :xSec(0) 65 :xSec(0)
66 { 66 {
67 SetMinEnergy(0.0); 67 SetMinEnergy(0.0);
68 SetMaxEnergy(20.*MeV); 68 SetMaxEnergy(20.*MeV);
69 if(!G4FindDataDir("G4NEUTRONHPDATA")) { << 69 if(!std::getenv("G4NEUTRONHPDATA")) {
70 G4cout << "Please setenv G4NEUTRONHPDATA 70 G4cout << "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files." << G4endl;
71 throw G4HadronicException(__FILE__, __LIN 71 throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
72 } 72 }
73 dirName = G4FindDataDir("G4NEUTRONHPDATA"); << 73 dirName = std::getenv("G4NEUTRONHPDATA");
74 G4String tString = "/Fission/"; 74 G4String tString = "/Fission/";
75 dirName = dirName + tString; 75 dirName = dirName + tString;
76 numEle = G4Element::GetNumberOfElements(); 76 numEle = G4Element::GetNumberOfElements();
77 theFission = new G4ParticleHPChannel[numEle] 77 theFission = new G4ParticleHPChannel[numEle];
78 78
79 for (std::size_t i=0; i<numEle; ++i) << 79 for (G4int i=0; i<numEle; i++)
80 { 80 {
>> 81 // G4cout << "G4FissLib::G4FissLib(): element "<< i << " : " << (*(G4Element::GetElementTable()))[i]->GetZ()<< G4endl;
81 if((*(G4Element::GetElementTable()))[i]->G 82 if((*(G4Element::GetElementTable()))[i]->GetZ()>89)
82 { 83 {
83 theFission[i].Init((*(G4Element::GetElem 84 theFission[i].Init((*(G4Element::GetElementTable()))[i], dirName);
84 theFission[i].Register(&theLibrary); 85 theFission[i].Register(&theLibrary);
85 } 86 }
86 } 87 }
87 } 88 }
88 89
89 G4FissLib::~G4FissLib() 90 G4FissLib::~G4FissLib()
90 { 91 {
91 delete [] theFission; 92 delete [] theFission;
92 } 93 }
93 94
94 G4HadFinalState* 95 G4HadFinalState*
95 G4FissLib::ApplyYourself(const G4HadProjectile 96 G4FissLib::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& aNucleus)
96 { 97 {
97 G4ParticleHPManager::GetInstance()->OpenReac 98 G4ParticleHPManager::GetInstance()->OpenReactionWhiteBoard();
98 99
99 const G4Material* theMaterial = aTrack.GetMa 100 const G4Material* theMaterial = aTrack.GetMaterial();
100 std::size_t n = theMaterial->GetNumberOfElem << 101 G4int n = theMaterial->GetNumberOfElements();
101 std::size_t index = theMaterial->GetElement( << 102 G4int index = theMaterial->GetElement(0)->GetIndex();
102 103
103 if (n != 1) { 104 if (n != 1) {
104 xSec = new G4double[n]; 105 xSec = new G4double[n];
105 G4double sum = 0; 106 G4double sum = 0;
106 G4int i; 107 G4int i;
107 std::size_t imat; << 108 G4int imat;
108 const G4double * NumAtomsPerVolume = theMa 109 const G4double * NumAtomsPerVolume = theMaterial->GetVecNbOfAtomsPerVolume();
109 G4double rWeight; 110 G4double rWeight;
110 G4ParticleHPThermalBoost aThermalE; 111 G4ParticleHPThermalBoost aThermalE;
111 for (i = 0; i < (G4int)n; ++i) { << 112 for (i = 0; i < n; i++) {
112 imat = theMaterial->GetElement(i)->GetIn 113 imat = theMaterial->GetElement(i)->GetIndex();
113 rWeight = NumAtomsPerVolume[i]; 114 rWeight = NumAtomsPerVolume[i];
114 xSec[i] = theFission[imat].GetXsec(aTher 115 xSec[i] = theFission[imat].GetXsec(aThermalE.GetThermalEnergy(aTrack,
115 116 theMaterial->GetElement(i),
116 theMaterial->GetTemperatur 117 theMaterial->GetTemperature()));
117 xSec[i] *= rWeight; 118 xSec[i] *= rWeight;
118 sum+=xSec[i]; 119 sum+=xSec[i];
119 } 120 }
120 121
121 G4double random = G4UniformRand(); 122 G4double random = G4UniformRand();
122 G4double running = 0; 123 G4double running = 0;
123 for (i = 0; i < (G4int)n; ++i) { << 124 for (i = 0; i < n; i++) {
124 running += xSec[i]; 125 running += xSec[i];
125 index = theMaterial->GetElement(i)->GetI 126 index = theMaterial->GetElement(i)->GetIndex();
126 if(random<=running/sum) break; 127 if(random<=running/sum) break;
127 } 128 }
128 delete [] xSec; 129 delete [] xSec;
129 } 130 }
130 131
131 //return theFission[index].ApplyYourself(aTr 132 //return theFission[index].ApplyYourself(aTrack);
132 //Overwrite target parameters 133 //Overwrite target parameters
133 G4HadFinalState* result = theFission[index] 134 G4HadFinalState* result = theFission[index].ApplyYourself(aTrack);
134 aNucleus.SetParameters(G4ParticleHPManager: 135 aNucleus.SetParameters(G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA(),G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargZ());
135 const G4Element* target_element = (*G4Eleme 136 const G4Element* target_element = (*G4Element::GetElementTable())[index];
136 const G4Isotope* target_isotope=NULL; 137 const G4Isotope* target_isotope=NULL;
137 G4int iele = (G4int)target_element->GetNumb << 138 G4int iele = target_element->GetNumberOfIsotopes();
138 for ( G4int j = 0 ; j != iele ; ++j ) { << 139 for ( G4int j = 0 ; j != iele ; j++ ) {
139 target_isotope=target_element->GetIsotop 140 target_isotope=target_element->GetIsotope( j );
140 if ( target_isotope->GetN() == G4Particl 141 if ( target_isotope->GetN() == G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA() ) break;
141 } 142 }
142 aNucleus.SetIsotope( target_isotope ); 143 aNucleus.SetIsotope( target_isotope );
143 G4ParticleHPManager::GetInstance()->CloseRe 144 G4ParticleHPManager::GetInstance()->CloseReactionWhiteBoard();
144 return result; 145 return result;
145 } 146 }
146 147
147 const std::pair<G4double, G4double> G4FissLib: 148 const std::pair<G4double, G4double> G4FissLib::GetFatalEnergyCheckLevels() const
148 { 149 {
149 // max energy non-conservation is mass of he << 150 // max energy non-conservation is mass of heavy nucleus (taken from G4LFission)
150 return std::pair<G4double, G4double>(10.0*pe << 151 return std::pair<G4double, G4double>(5*perCent,250*GeV);
151 } 152 }
152 153