Geant4 10.7.0
Toolkit for the simulation of the passage of particles through matter
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G4ParticleHPFission.cc
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25//
26// neutron_hp -- source file
27// J.P. Wellisch, Nov-1996
28// A prototype of the low energy neutron transport model.
29//
30// 070523 bug fix for G4FPE_DEBUG on by A. Howard ( and T. Koi)
31// 08-08-06 delete unnecessary and harmed declaration; Bug Report[857]
32//
33// P. Arce, June-2014 Conversion neutron_hp to particle_hp
34//
37#include "G4SystemOfUnits.hh"
39#include "G4Threading.hh"
40
42 :G4HadronicInteraction("NeutronHPFission")
43 ,theFission(NULL)
44 ,numEle(0)
45 {
46 SetMinEnergy( 0.0 );
47 SetMaxEnergy( 20.*MeV );
48/*
49 if(!std::getenv("G4NEUTRONHPDATA"))
50 throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
51 dirName = std::getenv("G4NEUTRONHPDATA");
52 G4String tString = "/Fission";
53 dirName = dirName + tString;
54 numEle = G4Element::GetNumberOfElements();
55 //theFission = new G4ParticleHPChannel[numEle];
56
57 //for (G4int i=0; i<numEle; i++)
58 //{
59 //if((*(G4Element::GetElementTable()))[i]->GetZ()>89)
60 // if((*(G4Element::GetElementTable()))[i]->GetZ()>87) //TK modified for ENDF-VII
61 // {
62 // theFission[i].Init((*(G4Element::GetElementTable()))[i], dirName);
63 // theFission[i].Register(&theFS);
64 // }
65 //}
66
67 for ( G4int i = 0 ; i < numEle ; i++ )
68 {
69 theFission.push_back( new G4ParticleHPChannel );
70 if((*(G4Element::GetElementTable()))[i]->GetZ()>87) //TK modified for ENDF-VII
71 {
72 (*theFission[i]).Init((*(G4Element::GetElementTable()))[i], dirName);
73 (*theFission[i]).Register(&theFS);
74 }
75 }
76*/
77 }
78
80 {
81 //Vector is shared, only master deletes it
82 //delete [] theFission;
84 if ( theFission != NULL ) {
85 for ( std::vector<G4ParticleHPChannel*>::iterator
86 it = theFission->begin() ; it != theFission->end() ; it++ ) {
87 delete *it;
88 }
89 theFission->clear();
90 }
91 }
92 }
93
96 {
97
99 const G4Material * theMaterial = aTrack.GetMaterial();
100 G4int n = theMaterial->GetNumberOfElements();
101 G4int index = theMaterial->GetElement(0)->GetIndex();
102 if(n!=1)
103 {
104 G4double* xSec = new G4double[n];
105 G4double sum=0;
106 G4int i;
107 const G4double * NumAtomsPerVolume = theMaterial->GetVecNbOfAtomsPerVolume();
108 G4double rWeight;
109 G4ParticleHPThermalBoost aThermalE;
110 for (i=0; i<n; i++)
111 {
112 index = theMaterial->GetElement(i)->GetIndex();
113 rWeight = NumAtomsPerVolume[i];
114 xSec[i] = ((*theFission)[index])->GetXsec(aThermalE.GetThermalEnergy(aTrack,
115 theMaterial->GetElement(i),
116 theMaterial->GetTemperature()));
117 xSec[i] *= rWeight;
118 sum+=xSec[i];
119 }
120 G4double random = G4UniformRand();
121 G4double running = 0;
122 for (i=0; i<n; i++)
123 {
124 running += xSec[i];
125 index = theMaterial->GetElement(i)->GetIndex();
126 //if(random<=running/sum) break;
127 if( sum == 0 || random <= running/sum ) break;
128 }
129 delete [] xSec;
130 }
131 //return theFission[index].ApplyYourself(aTrack); //-2:Marker for Fission
132 G4HadFinalState* result = ((*theFission)[index])->ApplyYourself(aTrack,-2);
133
134 //Overwrite target parameters
136 const G4Element* target_element = (*G4Element::GetElementTable())[index];
137 const G4Isotope* target_isotope=NULL;
138 G4int iele = target_element->GetNumberOfIsotopes();
139 for ( G4int j = 0 ; j != iele ; j++ ) {
140 target_isotope=target_element->GetIsotope( j );
141 if ( target_isotope->GetN() == G4ParticleHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA() ) break;
142 }
143 //G4cout << "Target Material of this reaction is " << theMaterial->GetName() << G4endl;
144 //G4cout << "Target Element of this reaction is " << target_element->GetName() << G4endl;
145 //G4cout << "Target Isotope of this reaction is " << target_isotope->GetName() << G4endl;
146 aNucleus.SetIsotope( target_isotope );
147
149 return result;
150 }
151
152const std::pair<G4double, G4double> G4ParticleHPFission::GetFatalEnergyCheckLevels() const
153{
154 // max energy non-conservation is mass of heavy nucleus
155 //return std::pair<G4double, G4double>(5*perCent,250*GeV);
156 return std::pair<G4double, G4double>(5*perCent,DBL_MAX);
157}
158/*
159void G4ParticleHPFission::addChannelForNewElement()
160{
161 for ( G4int i = numEle ; i < (G4int)G4Element::GetNumberOfElements() ; i++ )
162 {
163 theFission.push_back( new G4ParticleHPChannel );
164 if ( (*(G4Element::GetElementTable()))[i]->GetZ() > 87 ) //TK modified for ENDF-VII
165 {
166 G4cout << "G4ParticleHPFission Prepairing Data for the new element of " << (*(G4Element::GetElementTable()))[i]->GetName() << G4endl;
167 (*theFission[i]).Init((*(G4Element::GetElementTable()))[i], dirName);
168 (*theFission[i]).Register(&theFS);
169 }
170 }
171 numEle = (G4int)G4Element::GetNumberOfElements();
172}
173*/
174
176{
178}
180{
182}
184{
185
187
188 theFission = hpmanager->GetFissionFinalStates();
189
191
192 if ( theFission == NULL ) theFission = new std::vector<G4ParticleHPChannel*>;
193
194 if ( numEle == (G4int)G4Element::GetNumberOfElements() ) return;
195
196 if ( theFission->size() == G4Element::GetNumberOfElements() ) {
198 return;
199 }
200
201 if ( !std::getenv("G4NEUTRONHPDATA") )
202 throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
203 dirName = std::getenv("G4NEUTRONHPDATA");
204 G4String tString = "/Fission";
205 dirName = dirName + tString;
206
207 for ( G4int i = numEle ; i < (G4int)G4Element::GetNumberOfElements() ; i++ ) {
208 theFission->push_back( new G4ParticleHPChannel );
209 if ((*(G4Element::GetElementTable()))[i]->GetZ()>87) { //TK modified for ENDF-VII
210 ((*theFission)[i])->Init((*(G4Element::GetElementTable()))[i], dirName);
211 ((*theFission)[i])->Register( new G4ParticleHPFissionFS );
212 }
213 }
214
215 hpmanager->RegisterFissionFinalStates( theFission );
216
217 }
218
220}
221
222void G4ParticleHPFission::ModelDescription(std::ostream& outFile) const
223{
224 outFile << "High Precision model based on Evaluated Nuclear Data Files (ENDF) for induced fission reaction of neutrons below 20MeV\n";
225}
double G4double
Definition: G4Types.hh:83
int G4int
Definition: G4Types.hh:85
#define G4UniformRand()
Definition: Randomize.hh:52
static G4ElementTable * GetElementTable()
Definition: G4Element.cc:397
static size_t GetNumberOfElements()
Definition: G4Element.cc:404
const G4Isotope * GetIsotope(G4int iso) const
Definition: G4Element.hh:169
size_t GetIndex() const
Definition: G4Element.hh:181
size_t GetNumberOfIsotopes() const
Definition: G4Element.hh:158
const G4Material * GetMaterial() const
void SetMinEnergy(G4double anEnergy)
void SetMaxEnergy(const G4double anEnergy)
G4int GetN() const
Definition: G4Isotope.hh:93
G4double GetTemperature() const
Definition: G4Material.hh:180
const G4Element * GetElement(G4int iel) const
Definition: G4Material.hh:200
size_t GetNumberOfElements() const
Definition: G4Material.hh:184
const G4double * GetVecNbOfAtomsPerVolume() const
Definition: G4Material.hh:204
void SetParameters(const G4double A, const G4double Z)
Definition: G4Nucleus.cc:212
void SetIsotope(const G4Isotope *iso)
Definition: G4Nucleus.hh:122
virtual const std::pair< G4double, G4double > GetFatalEnergyCheckLevels() const
G4HadFinalState * ApplyYourself(const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus)
void BuildPhysicsTable(const G4ParticleDefinition &)
virtual void ModelDescription(std::ostream &outFile) const
void RegisterFissionFinalStates(std::vector< G4ParticleHPChannel * > *val)
std::vector< G4ParticleHPChannel * > * GetFissionFinalStates()
static G4ParticleHPManager * GetInstance()
G4ParticleHPReactionWhiteBoard * GetReactionWhiteBoard()
G4double GetThermalEnergy(const G4HadProjectile &aP, const G4Element *anE, G4double aT)
G4bool IsMasterThread()
Definition: G4Threading.cc:124
#define DBL_MAX
Definition: templates.hh:62