Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | Protected Member Functions | List of all members
G4BremsstrahlungCrossSectionHandler Class Reference

#include <G4BremsstrahlungCrossSectionHandler.hh>

+ Inheritance diagram for G4BremsstrahlungCrossSectionHandler:

Public Member Functions

 G4BremsstrahlungCrossSectionHandler (const G4VEnergySpectrum *spectrum, G4VDataSetAlgorithm *interpolation)
 
 ~G4BremsstrahlungCrossSectionHandler ()
 
G4double GetCrossSectionAboveThresholdForElement (G4double energy, G4double cutEnergy, G4int Z)
 
- Public Member Functions inherited from G4VCrossSectionHandler
 G4VCrossSectionHandler ()
 
 G4VCrossSectionHandler (G4VDataSetAlgorithm *interpolation, G4double minE=250 *CLHEP::eV, G4double maxE=100 *CLHEP::GeV, G4int nBins=200, G4double unitE=CLHEP::MeV, G4double unitData=CLHEP::barn, G4int minZ=1, G4int maxZ=99)
 
virtual ~G4VCrossSectionHandler ()
 
void Initialise (G4VDataSetAlgorithm *interpolation=0, G4double minE=250 *CLHEP::eV, G4double maxE=100 *CLHEP::GeV, G4int numberOfBins=200, G4double unitE=CLHEP::MeV, G4double unitData=CLHEP::barn, G4int minZ=1, G4int maxZ=99)
 
G4int SelectRandomAtom (const G4MaterialCutsCouple *couple, G4double e) const
 
const G4Element * SelectRandomElement (const G4MaterialCutsCouple *material, G4double e) const
 
G4int SelectRandomShell (G4int Z, G4double e) const
 
G4VEMDataSet * BuildMeanFreePathForMaterials (const G4DataVector *energyCuts=0)
 
G4double FindValue (G4int Z, G4double e) const
 
G4double FindValue (G4int Z, G4double e, G4int shellIndex) const
 
G4double ValueForMaterial (const G4Material *material, G4double e) const
 
void LoadData (const G4String &dataFile)
 
void LoadNonLogData (const G4String &dataFile)
 
void LoadShellData (const G4String &dataFile)
 
void PrintData () const
 
void Clear ()
 

Protected Member Functions

std::vector< G4VEMDataSet * > * BuildCrossSectionsForMaterials (const G4DataVector &energyVector, const G4DataVector *energyCuts)
 
- Protected Member Functions inherited from G4VCrossSectionHandler
G4int NumberOfComponents (G4int Z) const
 
void ActiveElements ()
 
virtual std::vector< G4VEMDataSet * > * BuildCrossSectionsForMaterials (const G4DataVector &energyVector, const G4DataVector *energyCuts=0)=0
 
virtual G4VDataSetAlgorithm * CreateInterpolation ()
 
const G4VDataSetAlgorithm * GetInterpolation () const
 

Detailed Description

Definition at line 62 of file G4BremsstrahlungCrossSectionHandler.hh.

Constructor & Destructor Documentation

◆ G4BremsstrahlungCrossSectionHandler()

G4BremsstrahlungCrossSectionHandler::G4BremsstrahlungCrossSectionHandler ( const G4VEnergySpectrum *  spectrum,
G4VDataSetAlgorithm *  interpolation 
)

Definition at line 74 of file G4BremsstrahlungCrossSectionHandler.cc.

76 : theBR(spec)
77{
78 interp = new G4SemiLogInterpolation();
79}

◆ ~G4BremsstrahlungCrossSectionHandler()

G4BremsstrahlungCrossSectionHandler::~G4BremsstrahlungCrossSectionHandler ( )

Definition at line 83 of file G4BremsstrahlungCrossSectionHandler.cc.

84{
85 delete interp;
86}

Member Function Documentation

◆ BuildCrossSectionsForMaterials()

std::vector< G4VEMDataSet * > * G4BremsstrahlungCrossSectionHandler::BuildCrossSectionsForMaterials ( const G4DataVector &  energyVector,
const G4DataVector *  energyCuts 
)
protectedvirtual

Implements G4VCrossSectionHandler.

Definition at line 91 of file G4BremsstrahlungCrossSectionHandler.cc.

93{
94 std::vector<G4VEMDataSet*>* set = new std::vector<G4VEMDataSet*>;
95
96 G4DataVector* energies;
97 G4DataVector* cs;
98
99 G4DataVector* log_energies;
100 G4DataVector* log_cs;
101
102 G4int nOfBins = energyVector.size();
103
104 const G4ProductionCutsTable* theCoupleTable=
105 G4ProductionCutsTable::GetProductionCutsTable();
106 size_t numOfCouples = theCoupleTable->GetTableSize();
107
108 for (size_t mLocal=0; mLocal<numOfCouples; mLocal++) {
109
110 const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(mLocal);
111 const G4Material* material= couple->GetMaterial();
112 const G4ElementVector* elementVector = material->GetElementVector();
113 const G4double* nAtomsPerVolume = material->GetVecNbOfAtomsPerVolume();
114 G4int nElements = material->GetNumberOfElements();
115
116 G4double tcut = (*energyCuts)[mLocal];
117
118 G4VDataSetAlgorithm* algo = interp->Clone();
119 G4VEMDataSet* setForMat = new G4CompositeEMDataSet(algo,1.,1.);
120
121 for (G4int i=0; i<nElements; i++) {
122
123 G4int Z = (G4int) ((*elementVector)[i]->GetZ());
124
125 energies = new G4DataVector;
126 cs = new G4DataVector;
127
128 log_energies = new G4DataVector;
129 log_cs = new G4DataVector;
130
131 G4double density = nAtomsPerVolume[i];
132
133 for (G4int bin=0; bin<nOfBins; bin++) {
134
135 G4double e = energyVector[bin];
136 energies->push_back(e);
137 if (e==0.) e=1e-300;
138 log_energies->push_back(std::log10(e));
139 G4double value = 0.0;
140
141 if(e > tcut) {
142 G4double elemCs = FindValue(Z, e);
143
144 value = theBR->Probability(Z, tcut, e, e);
145
146 value *= elemCs*density;
147 }
148 cs->push_back(value);
149
150 if (value==0.) value=1e-300;
151 log_cs->push_back(std::log10(value));
152 }
153 G4VDataSetAlgorithm* algol = interp->Clone();
154
155 //G4VEMDataSet* elSet = new G4EMDataSet(i,energies,cs,algol,1.,1.);
156
157 G4VEMDataSet* elSet = new G4EMDataSet(i,energies,cs,log_energies,log_cs,algol,1.,1.);
158
159 setForMat->AddComponent(elSet);
160 }
161 set->push_back(setForMat);
162 }
163
164 return set;
165}
G4ElementVector
std::vector< G4Element * > G4ElementVector
Definition: G4ElementVector.hh:44
G4double
double G4double
Definition: G4Types.hh:64
G4int
int G4int
Definition: G4Types.hh:66
G4MaterialCutsCouple::GetMaterial
const G4Material * GetMaterial() const
Definition: G4MaterialCutsCouple.hh:150
G4Material::GetElementVector
const G4ElementVector * GetElementVector() const
Definition: G4Material.hh:189
G4Material::GetNumberOfElements
size_t GetNumberOfElements() const
Definition: G4Material.hh:185
G4Material::GetVecNbOfAtomsPerVolume
const G4double * GetVecNbOfAtomsPerVolume() const
Definition: G4Material.hh:205
G4ProductionCutsTable::GetMaterialCutsCouple
const G4MaterialCutsCouple * GetMaterialCutsCouple(G4int i) const
Definition: G4ProductionCutsTable.hh:262
G4ProductionCutsTable::GetProductionCutsTable
static G4ProductionCutsTable * GetProductionCutsTable()
Definition: G4ProductionCutsTable.cc:63
G4VCrossSectionHandler::FindValue
G4double FindValue(G4int Z, G4double e) const
Definition: G4VCrossSectionHandler.cc:379
G4VDataSetAlgorithm::Clone
virtual G4VDataSetAlgorithm * Clone() const =0
G4VEMDataSet::AddComponent
virtual void AddComponent(G4VEMDataSet *dataSet)=0
G4VEnergySpectrum::Probability
virtual G4double Probability(G4int Z, G4double minKineticEnergy, G4double maxKineticEnergy, G4double kineticEnergy, G4int shell=0, const G4ParticleDefinition *pd=0) const =0

◆ GetCrossSectionAboveThresholdForElement()

G4double G4BremsstrahlungCrossSectionHandler::GetCrossSectionAboveThresholdForElement ( G4double  energy,
G4double  cutEnergy,
G4int  Z 
)

Definition at line 169 of file G4BremsstrahlungCrossSectionHandler.cc.

172{
173 G4double value = 0.;
174 if(energy > cutEnergy)
175 {
176 G4double elemCs = FindValue(Z, energy);
177 value = theBR->Probability(Z,cutEnergy, energy, energy);
178 value *= elemCs;
179 }
180 return value;
181}

Referenced by G4LivermoreBremsstrahlungModel::ComputeCrossSectionPerAtom().

The documentation for this class was generated from the following files: