Geant4  10.00.p03
G4NeutronHPFission.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 #include "G4NeutronHPFission.hh"
34 #include "G4SystemOfUnits.hh"
35 
36 #include "G4NeutronHPManager.hh"
37 
39  :G4HadronicInteraction("NeutronHPFission")
40  {
41  SetMinEnergy( 0.0 );
42  SetMaxEnergy( 20.*MeV );
43  if(!getenv("G4NEUTRONHPDATA"))
44  throw G4HadronicException(__FILE__, __LINE__, "Please setenv G4NEUTRONHPDATA to point to the neutron cross-section files.");
45  dirName = getenv("G4NEUTRONHPDATA");
46  G4String tString = "/Fission";
47  dirName = dirName + tString;
49  //theFission = new G4NeutronHPChannel[numEle];
50 
51  //for (G4int i=0; i<numEle; i++)
52  //{
53  //if((*(G4Element::GetElementTable()))[i]->GetZ()>89)
54  // if((*(G4Element::GetElementTable()))[i]->GetZ()>87) //TK modified for ENDF-VII
55  // {
56  // theFission[i].Init((*(G4Element::GetElementTable()))[i], dirName);
57  // theFission[i].Register(&theFS);
58  // }
59  //}
60 
61  for ( G4int i = 0 ; i < numEle ; i++ )
62  {
63  theFission.push_back( new G4NeutronHPChannel );
64  if((*(G4Element::GetElementTable()))[i]->GetZ()>87) //TK modified for ENDF-VII
65  {
67  (*theFission[i]).Register(&theFS);
68  }
69  }
70  }
71 
73  {
74  //delete [] theFission;
75  for ( std::vector<G4NeutronHPChannel*>::iterator
76  it = theFission.begin() ; it != theFission.end() ; it++ )
77  {
78  delete *it;
79  }
80  theFission.clear();
81  }
82 
85  {
86 
88 
90  const G4Material * theMaterial = aTrack.GetMaterial();
91  G4int n = theMaterial->GetNumberOfElements();
92  G4int index = theMaterial->GetElement(0)->GetIndex();
93  if(n!=1)
94  {
95  xSec = new G4double[n];
96  G4double sum=0;
97  G4int i;
98  const G4double * NumAtomsPerVolume = theMaterial->GetVecNbOfAtomsPerVolume();
99  G4double rWeight;
100  G4NeutronHPThermalBoost aThermalE;
101  for (i=0; i<n; i++)
102  {
103  index = theMaterial->GetElement(i)->GetIndex();
104  rWeight = NumAtomsPerVolume[i];
105  xSec[i] = (*theFission[index]).GetXsec(aThermalE.GetThermalEnergy(aTrack,
106  theMaterial->GetElement(i),
107  theMaterial->GetTemperature()));
108  xSec[i] *= rWeight;
109  sum+=xSec[i];
110  }
111  G4double random = G4UniformRand();
112  G4double running = 0;
113  for (i=0; i<n; i++)
114  {
115  running += xSec[i];
116  index = theMaterial->GetElement(i)->GetIndex();
117  //if(random<=running/sum) break;
118  if( sum == 0 || random <= running/sum ) break;
119  }
120  delete [] xSec;
121  }
122  //return theFission[index].ApplyYourself(aTrack); //-2:Marker for Fission
123  G4HadFinalState* result = (*theFission[index]).ApplyYourself(aTrack,-2);
124 
125  //Overwrite target parameters
126  aNucleus.SetParameters(G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA(),G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargZ());
127  const G4Element* target_element = (*G4Element::GetElementTable())[index];
128  const G4Isotope* target_isotope=NULL;
129  G4int iele = target_element->GetNumberOfIsotopes();
130  for ( G4int j = 0 ; j != iele ; j++ ) {
131  target_isotope=target_element->GetIsotope( j );
132  if ( target_isotope->GetN() == G4NeutronHPManager::GetInstance()->GetReactionWhiteBoard()->GetTargA() ) break;
133  }
134  //G4cout << "Target Material of this reaction is " << theMaterial->GetName() << G4endl;
135  //G4cout << "Target Element of this reaction is " << target_element->GetName() << G4endl;
136  //G4cout << "Target Isotope of this reaction is " << target_isotope->GetName() << G4endl;
137  aNucleus.SetIsotope( target_isotope );
138 
140  return result;
141  }
142 
143 const std::pair<G4double, G4double> G4NeutronHPFission::GetFatalEnergyCheckLevels() const
144 {
145  // max energy non-conservation is mass of heavy nucleus
146  //return std::pair<G4double, G4double>(5*perCent,250*GeV);
147  return std::pair<G4double, G4double>(5*perCent,DBL_MAX);
148 }
149 
150 
151 
153 {
154  for ( G4int i = numEle ; i < (G4int)G4Element::GetNumberOfElements() ; i++ )
155  {
156  theFission.push_back( new G4NeutronHPChannel );
157  if ( (*(G4Element::GetElementTable()))[i]->GetZ() > 87 ) //TK modified for ENDF-VII
158  {
159  G4cout << "G4NeutronHPFission Prepairing Data for the new element of " << (*(G4Element::GetElementTable()))[i]->GetName() << G4endl;
161  (*theFission[i]).Register(&theFS);
162  }
163  }
165 }
166 
168 {
170 }
172 {
174 }
size_t GetNumberOfIsotopes() const
Definition: G4Element.hh:158
void SetIsotope(const G4Isotope *iso)
Definition: G4Nucleus.hh:122
void Init()
Definition: G4IonTable.cc:89
static const double MeV
Definition: G4SIunits.hh:193
static G4NeutronHPManager * GetInstance()
G4NeutronHPReactionWhiteBoard * GetReactionWhiteBoard()
std::vector< G4NeutronHPChannel * > theFission
const G4Element * GetElement(G4int iel) const
Definition: G4Material.hh:200
int G4int
Definition: G4Types.hh:78
G4int GetVerboseLevel() const
void SetMinEnergy(G4double anEnergy)
const G4double * GetVecNbOfAtomsPerVolume() const
Definition: G4Material.hh:204
void Register(T *inst)
Definition: G4AutoDelete.hh:65
virtual const std::pair< G4double, G4double > GetFatalEnergyCheckLevels() const
G4int GetN() const
Definition: G4Isotope.hh:94
#define G4UniformRand()
Definition: Randomize.hh:87
G4GLOB_DLL std::ostream G4cout
static size_t GetNumberOfElements()
Definition: G4Element.cc:410
size_t GetIndex() const
Definition: G4Element.hh:181
G4HadFinalState * ApplyYourself(const G4HadProjectile &aTrack, G4Nucleus &aTargetNucleus)
static const double perCent
Definition: G4SIunits.hh:296
const G4int n
void SetVerboseLevel(G4int i)
G4double GetThermalEnergy(const G4HadProjectile &aP, const G4Element *anE, G4double aT)
void SetMaxEnergy(const G4double anEnergy)
const G4Isotope * GetIsotope(G4int iso) const
Definition: G4Element.hh:169
G4NeutronHPFissionFS theFS
G4double GetTemperature() const
Definition: G4Material.hh:180
#define G4endl
Definition: G4ios.hh:61
const G4Material * GetMaterial() const
size_t GetNumberOfElements() const
Definition: G4Material.hh:184
double G4double
Definition: G4Types.hh:76
static G4ElementTable * GetElementTable()
Definition: G4Element.cc:403
#define DBL_MAX
Definition: templates.hh:83
void SetParameters(const G4double A, const G4double Z)
Definition: G4Nucleus.cc:198