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53 // UCRL-CODE-224807 53 // UCRL-CODE-224807
54 // 54 //
55 // 55 //
>> 56 // $Id: G4FissLib.cc 67966 2013-03-13 09:38:38Z gcosmo $
56 // 57 //
57 // neutron_hp -- source file 58 // neutron_hp -- source file
58 // J.M. Verbeke, Jan-2007 59 // J.M. Verbeke, Jan-2007
59 // A prototype of the low energy neutron trans 60 // A prototype of the low energy neutron transport model.
60 // 61 //
61 #include "G4FissLib.hh" 62 #include "G4FissLib.hh"
62 #include "G4SystemOfUnits.hh" 63 #include "G4SystemOfUnits.hh"
63 64
64 G4FissLib::G4FissLib() 65 G4FissLib::G4FissLib()
65 :xSec(0) 66 :xSec(0)
66 { 67 {
67 SetMinEnergy(0.0); 68 SetMinEnergy(0.0);
68 SetMaxEnergy(20.*MeV); 69 SetMaxEnergy(20.*MeV);
69 if(!G4FindDataDir("G4NEUTRONHPDATA")) { << 70 if(!getenv("G4NEUTRONHPDATA")) {
70 G4cout << "Please setenv G4NEUTRONHPDATA 71 G4cout << "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files." << G4endl;
71 throw G4HadronicException(__FILE__, __LIN 72 throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
72 } 73 }
73 dirName = G4FindDataDir("G4NEUTRONHPDATA"); << 74 dirName = getenv("G4NEUTRONHPDATA");
74 G4String tString = "/Fission/"; 75 G4String tString = "/Fission/";
75 dirName = dirName + tString; 76 dirName = dirName + tString;
76 numEle = G4Element::GetNumberOfElements(); 77 numEle = G4Element::GetNumberOfElements();
77 theFission = new G4ParticleHPChannel[numEle] << 78 theFission = new G4NeutronHPChannel[numEle];
78 79
79 for (std::size_t i=0; i<numEle; ++i) << 80 for (G4int i=0; i<numEle; i++)
80 { 81 {
>> 82 // G4cout << "G4FissLib::G4FissLib(): element "<< i << " : " << (*(G4Element::GetElementTable()))[i]->GetZ()<< G4endl;
81 if((*(G4Element::GetElementTable()))[i]->G 83 if((*(G4Element::GetElementTable()))[i]->GetZ()>89)
82 { 84 {
83 theFission[i].Init((*(G4Element::GetElem 85 theFission[i].Init((*(G4Element::GetElementTable()))[i], dirName);
84 theFission[i].Register(&theLibrary); 86 theFission[i].Register(&theLibrary);
85 } 87 }
86 } 88 }
87 } 89 }
88 90
89 G4FissLib::~G4FissLib() 91 G4FissLib::~G4FissLib()
90 { 92 {
91 delete [] theFission; 93 delete [] theFission;
92 } 94 }
93 95
94 G4HadFinalState* 96 G4HadFinalState*
95 G4FissLib::ApplyYourself(const G4HadProjectile << 97 G4FissLib::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus&)
96 { 98 {
97 G4ParticleHPManager::GetInstance()->OpenReac <<
98 <<
99 const G4Material* theMaterial = aTrack.GetMa 99 const G4Material* theMaterial = aTrack.GetMaterial();
100 std::size_t n = theMaterial->GetNumberOfElem << 100 G4int n = theMaterial->GetNumberOfElements();
101 std::size_t index = theMaterial->GetElement( << 101 G4int index = theMaterial->GetElement(0)->GetIndex();
102 102
103 if (n != 1) { 103 if (n != 1) {
104 xSec = new G4double[n]; 104 xSec = new G4double[n];
105 G4double sum = 0; 105 G4double sum = 0;
106 G4int i; 106 G4int i;
107 std::size_t imat; << 107 G4int imat;
108 const G4double * NumAtomsPerVolume = theMa 108 const G4double * NumAtomsPerVolume = theMaterial->GetVecNbOfAtomsPerVolume();
109 G4double rWeight; 109 G4double rWeight;
110 G4ParticleHPThermalBoost aThermalE; << 110 G4NeutronHPThermalBoost aThermalE;
111 for (i = 0; i < (G4int)n; ++i) { << 111 for (i = 0; i < n; i++) {
112 imat = theMaterial->GetElement(i)->GetIn 112 imat = theMaterial->GetElement(i)->GetIndex();
113 rWeight = NumAtomsPerVolume[i]; 113 rWeight = NumAtomsPerVolume[i];
114 xSec[i] = theFission[imat].GetXsec(aTher 114 xSec[i] = theFission[imat].GetXsec(aThermalE.GetThermalEnergy(aTrack,
115 115 theMaterial->GetElement(i),
116 theMaterial->GetTemperatur 116 theMaterial->GetTemperature()));
117 xSec[i] *= rWeight; 117 xSec[i] *= rWeight;
118 sum+=xSec[i]; 118 sum+=xSec[i];
119 } 119 }
120 120
121 G4double random = G4UniformRand(); 121 G4double random = G4UniformRand();
122 G4double running = 0; 122 G4double running = 0;
123 for (i = 0; i < (G4int)n; ++i) { << 123 for (i = 0; i < n; i++) {
124 running += xSec[i]; 124 running += xSec[i];
125 index = theMaterial->GetElement(i)->GetI 125 index = theMaterial->GetElement(i)->GetIndex();
126 if(random<=running/sum) break; 126 if(random<=running/sum) break;
127 } 127 }
128 delete [] xSec; 128 delete [] xSec;
129 } 129 }
130 130
131 //return theFission[index].ApplyYourself(aTr << 131 return theFission[index].ApplyYourself(aTrack);
132 //Overwrite target parameters <<
133 G4HadFinalState* result = theFission[index] <<
134 aNucleus.SetParameters(G4ParticleHPManager: <<
135 const G4Element* target_element = (*G4Eleme <<
136 const G4Isotope* target_isotope=NULL; <<
137 G4int iele = (G4int)target_element->GetNumb <<
138 for ( G4int j = 0 ; j != iele ; ++j ) { <<
139 target_isotope=target_element->GetIsotop <<
140 if ( target_isotope->GetN() == G4Particl <<
141 } <<
142 aNucleus.SetIsotope( target_isotope ); <<
143 G4ParticleHPManager::GetInstance()->CloseRe <<
144 return result; <<
145 } 132 }
146 133
147 const std::pair<G4double, G4double> G4FissLib: 134 const std::pair<G4double, G4double> G4FissLib::GetFatalEnergyCheckLevels() const
148 { 135 {
149 // max energy non-conservation is mass of he << 136 // max energy non-conservation is mass of heavy nucleus (taken from G4LFission)
150 return std::pair<G4double, G4double>(10.0*pe << 137 return std::pair<G4double, G4double>(5*perCent,250*GeV);
151 } 138 }
152 139