Geant4 11.4.0
Toolkit for the simulation of the passage of particles through matter
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G4PEEffectFluoModel Class Reference

#include <G4PEEffectFluoModel.hh>

Inheritance diagram for G4PEEffectFluoModel:

Public Member Functions

 G4PEEffectFluoModel (const G4String &nam="PhotoElectric")
 ~G4PEEffectFluoModel () override
void Initialise (const G4ParticleDefinition *, const G4DataVector &) override
G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A, G4double, G4double) override
G4double CrossSectionPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy) override
void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override
G4PEEffectFluoModel & operator= (const G4PEEffectFluoModel &right)=delete
 G4PEEffectFluoModel (const G4PEEffectFluoModel &)=delete
Public Member Functions inherited from G4VEmModel
 G4VEmModel (const G4String &nam)
virtual ~G4VEmModel ()
virtual void InitialiseLocal (const G4ParticleDefinition *, G4VEmModel *masterModel)
virtual void InitialiseForMaterial (const G4ParticleDefinition *, const G4Material *)
virtual void InitialiseForElement (const G4ParticleDefinition *, G4int Z)
virtual G4double ComputeDEDXPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
virtual G4double GetPartialCrossSection (const G4Material *, G4int level, const G4ParticleDefinition *, G4double kineticEnergy)
virtual G4double ComputeCrossSectionPerShell (const G4ParticleDefinition *, G4int Z, G4int shellIdx, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
virtual G4double ChargeSquareRatio (const G4Track &)
virtual G4double GetChargeSquareRatio (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
virtual G4double GetParticleCharge (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
virtual void StartTracking (G4Track *)
virtual void CorrectionsAlongStep (const G4Material *, const G4ParticleDefinition *, const G4double kinEnergy, const G4double cutEnergy, const G4double &length, G4double &eloss)
virtual G4double Value (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy)
virtual G4double MinPrimaryEnergy (const G4Material *, const G4ParticleDefinition *, G4double cut=0.0)
virtual G4double MinEnergyCut (const G4ParticleDefinition *, const G4MaterialCutsCouple *)
virtual void SetupForMaterial (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
virtual void DefineForRegion (const G4Region *)
virtual void FillNumberOfSecondaries (G4int &numberOfTriplets, G4int &numberOfRecoil)
virtual void ModelDescription (std::ostream &outFile) const
void InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)
std::vector< G4EmElementSelector * > * GetElementSelectors ()
void SetElementSelectors (std::vector< G4EmElementSelector * > *)
G4double ComputeDEDX (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
G4double CrossSection (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
G4double ComputeMeanFreePath (const G4ParticleDefinition *, G4double kineticEnergy, const G4Material *, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, const G4Element *, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
const G4Element * SelectRandomAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
const G4Element * SelectTargetAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double logKineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
const G4Element * SelectRandomAtom (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
const G4Element * GetCurrentElement (const G4Material *mat=nullptr) const
G4int SelectRandomAtomNumber (const G4Material *) const
const G4Isotope * GetCurrentIsotope (const G4Element *elm=nullptr) const
G4int SelectIsotopeNumber (const G4Element *) const
void SetParticleChange (G4VParticleChange *, G4VEmFluctuationModel *f=nullptr)
void SetCrossSectionTable (G4PhysicsTable *, G4bool isLocal)
G4ElementData * GetElementData ()
G4PhysicsTable * GetCrossSectionTable ()
G4VEmFluctuationModel * GetModelOfFluctuations ()
G4VEmAngularDistribution * GetAngularDistribution ()
G4VEmModel * GetTripletModel ()
void SetTripletModel (G4VEmModel *)
void SetAngularDistribution (G4VEmAngularDistribution *)
G4double HighEnergyLimit () const
G4double LowEnergyLimit () const
G4double HighEnergyActivationLimit () const
G4double LowEnergyActivationLimit () const
G4double PolarAngleLimit () const
G4double SecondaryThreshold () const
G4bool DeexcitationFlag () const
G4bool ForceBuildTableFlag () const
G4bool UseAngularGeneratorFlag () const
void SetAngularGeneratorFlag (G4bool)
void SetHighEnergyLimit (G4double)
void SetLowEnergyLimit (G4double)
void SetActivationHighEnergyLimit (G4double)
void SetActivationLowEnergyLimit (G4double)
G4bool IsActive (G4double kinEnergy) const
void SetPolarAngleLimit (G4double)
void SetSecondaryThreshold (G4double)
void SetDeexcitationFlag (G4bool val)
void SetForceBuildTable (G4bool val)
void SetFluctuationFlag (G4bool val)
G4bool IsMaster () const
void SetUseBaseMaterials (G4bool val)
G4bool UseBaseMaterials () const
G4double MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)
const G4String & GetName () const
void SetCurrentCouple (const G4MaterialCutsCouple *)
G4bool IsLocked () const
void SetLocked (G4bool)
void SetLPMFlag (G4bool)
void SetMasterThread (G4bool)
G4VEmModel & operator= (const G4VEmModel &right)=delete
 G4VEmModel (const G4VEmModel &)=delete

Additional Inherited Members

Protected Member Functions inherited from G4VEmModel
G4ParticleChangeForLoss * GetParticleChangeForLoss ()
G4ParticleChangeForGamma * GetParticleChangeForGamma ()
virtual G4double MaxSecondaryEnergy (const G4ParticleDefinition *, G4double kineticEnergy)
const G4MaterialCutsCouple * CurrentCouple () const
void SetCurrentElement (const G4Element *)
Protected Attributes inherited from G4VEmModel
G4ElementData * fElementData = nullptr
G4VParticleChange * pParticleChange = nullptr
G4PhysicsTable * xSectionTable = nullptr
const G4Material * pBaseMaterial = nullptr
const std::vector< G4double > * theDensityFactor = nullptr
const std::vector< G4int > * theDensityIdx = nullptr
G4double inveplus
G4double pFactor = 1.0
std::size_t currentCoupleIndex = 0
std::size_t basedCoupleIndex = 0
G4bool lossFlucFlag = true

Detailed Description

Definition at line 57 of file G4PEEffectFluoModel.hh.

Constructor & Destructor Documentation

◆ G4PEEffectFluoModel() [1/2]

G4PEEffectFluoModel::G4PEEffectFluoModel ( const G4String & nam = "PhotoElectric")
explicit

Definition at line 65 of file G4PEEffectFluoModel.cc.

66 : G4VEmModel(nam)
67{
68 theGamma = G4Gamma::Gamma();
69 theElectron = G4Electron::Electron();
70 fminimalEnergy = 1.0*CLHEP::eV;
71 SetDeexcitationFlag(true);
72
73 fSandiaCof.resize(4,0.0);
74
75 // default generator
76 SetAngularDistribution(new G4SauterGavrilaAngularDistribution());
77}
G4Electron::Electron
static G4Electron * Electron()
Definition G4Electron.cc:91
G4Gamma::Gamma
static G4Gamma * Gamma()
Definition G4Gamma.cc:81
G4VEmModel::SetDeexcitationFlag
void SetDeexcitationFlag(G4bool val)
Definition G4VEmModel.hh:783
G4VEmModel::G4VEmModel
G4VEmModel(const G4String &nam)
Definition G4VEmModel.cc:67
G4VEmModel::SetAngularDistribution
void SetAngularDistribution(G4VEmAngularDistribution *)
Definition G4VEmModel.hh:609

Referenced by G4PEEffectFluoModel(), G4PolarizedPhotoElectricModel::G4PolarizedPhotoElectricModel(), and operator=().

◆ ~G4PEEffectFluoModel()

G4PEEffectFluoModel::~G4PEEffectFluoModel ( )
overridedefault

◆ G4PEEffectFluoModel() [2/2]

G4PEEffectFluoModel::G4PEEffectFluoModel ( const G4PEEffectFluoModel & )
delete

Member Function Documentation

◆ ComputeCrossSectionPerAtom()

G4double G4PEEffectFluoModel::ComputeCrossSectionPerAtom ( const G4ParticleDefinition * ,
G4double kinEnergy,
G4double Z,
G4double A,
G4double ,
G4double  )
overridevirtual

Reimplemented from G4VEmModel.

Definition at line 106 of file G4PEEffectFluoModel.cc.

110{
111 // This method may be used only if G4MaterialCutsCouple pointer
112 // has been set properly
113 CurrentCouple()->GetMaterial()
114 ->GetSandiaTable()->GetSandiaCofPerAtom((G4int)Z, energy, fSandiaCof);
115
116 G4double x1 = 1 / energy;
117
118 return x1 * (fSandiaCof[0] + x1 * (fSandiaCof[1] +
119 x1 * (fSandiaCof[2] + x1 * fSandiaCof[3])));
120}
G4double
double G4double
Definition G4Types.hh:83
G4int
int G4int
Definition G4Types.hh:85
G4MaterialCutsCouple::GetMaterial
const G4Material * GetMaterial() const
Definition G4MaterialCutsCouple.hh:166
G4Material::GetSandiaTable
G4SandiaTable * GetSandiaTable() const
Definition G4Material.hh:215
G4SandiaTable::GetSandiaCofPerAtom
void GetSandiaCofPerAtom(G4int Z, G4double energy, std::vector< G4double > &coeff) const
Definition G4SandiaTable.cc:102
G4VEmModel::CurrentCouple
const G4MaterialCutsCouple * CurrentCouple() const
Definition G4VEmModel.hh:488
G4INCL::KinematicsUtils::energy
G4double energy(const ThreeVector &p, const G4double m)
Definition G4INCLKinematicsUtils.cc:185

◆ CrossSectionPerVolume()

G4double G4PEEffectFluoModel::CrossSectionPerVolume ( const G4Material * material,
const G4ParticleDefinition * ,
G4double kineticEnergy,
G4double cutEnergy,
G4double maxEnergy )
overridevirtual

Reimplemented from G4VEmModel.

Definition at line 125 of file G4PEEffectFluoModel.cc.

129{
130 // This method may be used only if G4MaterialCutsCouple pointer
131 // has been set properly
132 energy = std::max(energy, fMatEnergyTh[material->GetIndex()]);
133 const G4double* SandiaCof =
134 material->GetSandiaTable()->GetSandiaCofForMaterial(energy);
135
136 G4double x1 = 1 / energy;
137
138 return x1 * (SandiaCof[0] + x1 * (SandiaCof[1] +
139 x1 * (SandiaCof[2] + x1 * SandiaCof[3])));
140}
G4Material::GetIndex
std::size_t GetIndex() const
Definition G4Material.hh:239
G4SandiaTable::GetSandiaCofForMaterial
G4double GetSandiaCofForMaterial(G4int, G4int) const
Definition G4SandiaTable.cc:900

◆ Initialise()

void G4PEEffectFluoModel::Initialise ( const G4ParticleDefinition * ,
const G4DataVector &  )
overridevirtual

Implements G4VEmModel.

Reimplemented in G4PolarizedPhotoElectricModel.

Definition at line 85 of file G4PEEffectFluoModel.cc.

87{
88 fAtomDeexcitation = G4LossTableManager::Instance()->AtomDeexcitation();
89 fPEBelowKShell = G4EmParameters::Instance()->PhotoeffectBelowKShell();
90 if(nullptr == fParticleChange) {
91 fParticleChange = GetParticleChangeForGamma();
92 }
93 std::size_t nmat = G4Material::GetNumberOfMaterials();
94 fMatEnergyTh.resize(nmat, 0.0);
95 for(std::size_t i=0; i<nmat; ++i) {
96 fMatEnergyTh[i] = (*(G4Material::GetMaterialTable()))[i]
97 ->GetSandiaTable()->GetSandiaCofForMaterial(0, 0);
98 //G4cout << "G4PEEffectFluoModel::Initialise Eth(eV)= "
99 // << fMatEnergyTh[i]/eV << G4endl;
100 }
101}
G4EmParameters::Instance
static G4EmParameters * Instance()
Definition G4EmParameters.cc:71
G4EmParameters::PhotoeffectBelowKShell
G4bool PhotoeffectBelowKShell() const
Definition G4EmParameters.cc:521
G4LossTableManager::Instance
static G4LossTableManager * Instance()
Definition G4LossTableManager.cc:90
G4LossTableManager::AtomDeexcitation
G4VAtomDeexcitation * AtomDeexcitation()
Definition G4LossTableManager.hh:396
G4Material::GetNumberOfMaterials
static std::size_t GetNumberOfMaterials()
Definition G4Material.cc:659
G4Material::GetMaterialTable
static G4MaterialTable * GetMaterialTable()
Definition G4Material.cc:644
G4VEmModel::GetParticleChangeForGamma
G4ParticleChangeForGamma * GetParticleChangeForGamma()
Definition G4VEmModel.cc:121

Referenced by G4PolarizedPhotoElectricModel::Initialise().

◆ operator=()

G4PEEffectFluoModel & G4PEEffectFluoModel::operator= ( const G4PEEffectFluoModel & right)
delete

◆ SampleSecondaries()

void G4PEEffectFluoModel::SampleSecondaries ( std::vector< G4DynamicParticle * > * fvect,
const G4MaterialCutsCouple * couple,
const G4DynamicParticle * aDynamicPhoton,
G4double tmin,
G4double maxEnergy )
overridevirtual

Implements G4VEmModel.

Reimplemented in G4PolarizedPhotoElectricModel.

Definition at line 145 of file G4PEEffectFluoModel.cc.

150{
151 SetCurrentCouple(couple);
152 const G4Material* aMaterial = couple->GetMaterial();
153
154 G4double energy = aDynamicPhoton->GetKineticEnergy();
155
156 // select randomly one element constituing the material.
157 const G4Element* anElement = SelectRandomAtom(aMaterial,theGamma,energy);
158
159 //
160 // Photo electron
161 //
162
163 // Select atomic shell
164 G4int nShells = anElement->GetNbOfAtomicShells();
165 G4int i = 0;
166 for(; i<nShells; ++i) {
167 /*
168 G4cout << "i= " << i << " E(eV)= " << energy/eV
169 << " Eb(eV)= " << anElement->GetAtomicShell(i)/eV
170 << " " << anElement->GetName()
171 << G4endl;
172 */
173 if(energy >= anElement->GetAtomicShell(i)) { break; }
174 }
175
176 G4double edep = energy;
177
178 // photo-electron is not sampled if shell is not found or
179 // the flag of photoeffect is "false" and shell is no K
180 if ( (fPEBelowKShell || 0 == i) && i < nShells ) {
181
182 G4double bindingEnergy = anElement->GetAtomicShell(i);
183 edep = bindingEnergy;
184 G4double esec = 0.0;
185
186 // sample deexcitation cascade
187 //
188 if(nullptr != fAtomDeexcitation) {
189 G4int index = couple->GetIndex();
190 if(fAtomDeexcitation->CheckDeexcitationActiveRegion(index)) {
191 G4int Z = G4lrint(anElement->GetZ());
192 auto as = (G4AtomicShellEnumerator)(i);
193 const G4AtomicShell* shell = fAtomDeexcitation->GetAtomicShell(Z, as);
194 G4double eshell = shell->BindingEnergy();
195 if(eshell > bindingEnergy && eshell <= energy) {
196 bindingEnergy = eshell;
197 edep = eshell;
198 }
199 std::size_t nbefore = fvect->size();
200 fAtomDeexcitation->GenerateParticles(fvect, shell, Z, index);
201 std::size_t nafter = fvect->size();
202 for (std::size_t j=nbefore; j<nafter; ++j) {
203 G4double e = ((*fvect)[j])->GetKineticEnergy();
204 if(esec + e > edep) {
205 // correct energy in order to have energy balance
206 e = edep - esec;
207 ((*fvect)[j])->SetKineticEnergy(e);
208 esec += e;
209 /*
210 G4cout << "### G4PEffectFluoModel Edep(eV)= " << edep/eV
211 << " Esec(eV)= " << esec/eV
212 << " E["<< j << "](eV)= " << e/eV
213 << " N= " << nafter
214 << " Z= " << Z << " shell= " << i
215 << " Ebind(keV)= " << bindingEnergy/keV
216 << " Eshell(keV)= " << shell->BindingEnergy()/keV
217 << G4endl;
218 */
219 // delete the rest of secondaries (should not happens)
220 for (std::size_t jj=nafter-1; jj>j; --jj) {
221 delete (*fvect)[jj];
222 fvect->pop_back();
223 }
224 break;
225 }
226 esec += e;
227 }
228 edep -= esec;
229 }
230 }
231 // create photo electron
232 //
233 G4double elecKineEnergy = energy - bindingEnergy;
234 if (elecKineEnergy > fminimalEnergy) {
235 auto aParticle = new G4DynamicParticle(theElectron,
236 GetAngularDistribution()->SampleDirection(aDynamicPhoton,
237 elecKineEnergy,
238 i, couple->GetMaterial()),
239 elecKineEnergy);
240 fvect->push_back(aParticle);
241 } else {
242 edep += elecKineEnergy;
243 elecKineEnergy = 0.0;
244 }
245 if(std::abs(energy - elecKineEnergy - esec - edep) > CLHEP::eV) {
246 G4cout << "### G4PEffectFluoModel dE(eV)= "
247 << (energy - elecKineEnergy - esec - edep)/eV
248 << " shell= " << i
249 << " E(keV)= " << energy/keV
250 << " Ebind(keV)= " << bindingEnergy/keV
251 << " Ee(keV)= " << elecKineEnergy/keV
252 << " Esec(keV)= " << esec/keV
253 << " Edep(keV)= " << edep/keV
254 << G4endl;
255 }
256 }
257
258 // kill primary photon
259 fParticleChange->SetProposedKineticEnergy(0.);
260 fParticleChange->ProposeTrackStatus(fStopAndKill);
261 if(edep > 0.0) {
262 fParticleChange->ProposeLocalEnergyDeposit(edep);
263 }
264}
fStopAndKill
@ fStopAndKill
Definition G4TrackStatus.hh:46
G4endl
#define G4endl
Definition G4ios.hh:67
G4cout
G4GLOB_DLL std::ostream G4cout
G4DynamicParticle::GetKineticEnergy
G4double GetKineticEnergy() const
G4Element::GetZ
G4double GetZ() const
Definition G4Element.hh:119
G4Element::GetNbOfAtomicShells
G4int GetNbOfAtomicShells() const
Definition G4Element.hh:134
G4Element::GetAtomicShell
G4double GetAtomicShell(G4int index) const
Definition G4Element.cc:358
G4VEmModel::GetAngularDistribution
G4VEmAngularDistribution * GetAngularDistribution()
Definition G4VEmModel.hh:602
G4VEmModel::SetCurrentCouple
void SetCurrentCouple(const G4MaterialCutsCouple *)
Definition G4VEmModel.hh:470
G4VEmModel::SelectRandomAtom
const G4Element * SelectRandomAtom(const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
Definition G4VEmModel.hh:563
G4InuclSpecialFunctions::bindingEnergy
G4double bindingEnergy(G4int A, G4int Z)
Definition bindingEnergy.cc:36
G4lrint
int G4lrint(double ad)
Definition templates.hh:134

Referenced by G4PolarizedPhotoElectricModel::SampleSecondaries().

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