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27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class file 29 // GEANT4 Class file
30 // 30 //
31 // 31 //
32 // File name: G4PEEffectFluoModel 32 // File name: G4PEEffectFluoModel
33 // 33 //
34 // Author: Vladimir Ivanchenko on base 34 // Author: Vladimir Ivanchenko on base of G4PEEffectModel
35 // 35 //
36 // Creation date: 13.06.2010 36 // Creation date: 13.06.2010
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 // Class Description: 40 // Class Description:
41 // Implementation of the photo-electric effect 41 // Implementation of the photo-electric effect with deexcitation
42 // 42 //
43 // ------------------------------------------- 43 // -------------------------------------------------------------------
44 // 44 //
45 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
46 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47 47
48 #include "G4PEEffectFluoModel.hh" 48 #include "G4PEEffectFluoModel.hh"
49 #include "G4PhysicalConstants.hh" 49 #include "G4PhysicalConstants.hh"
50 #include "G4SystemOfUnits.hh" 50 #include "G4SystemOfUnits.hh"
51 #include "G4Electron.hh" 51 #include "G4Electron.hh"
52 #include "G4Gamma.hh" 52 #include "G4Gamma.hh"
53 #include "Randomize.hh" 53 #include "Randomize.hh"
54 #include "G4Material.hh" 54 #include "G4Material.hh"
55 #include "G4DataVector.hh" 55 #include "G4DataVector.hh"
56 #include "G4ParticleChangeForGamma.hh" 56 #include "G4ParticleChangeForGamma.hh"
57 #include "G4VAtomDeexcitation.hh" 57 #include "G4VAtomDeexcitation.hh"
58 #include "G4LossTableManager.hh" 58 #include "G4LossTableManager.hh"
59 #include "G4SauterGavrilaAngularDistribution.h 59 #include "G4SauterGavrilaAngularDistribution.hh"
60 60
61 //....oooOO0OOooo........oooOO0OOooo........oo 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 62
63 using namespace std; 63 using namespace std;
64 64
65 G4PEEffectFluoModel::G4PEEffectFluoModel(const 65 G4PEEffectFluoModel::G4PEEffectFluoModel(const G4String& nam)
66 : G4VEmModel(nam) 66 : G4VEmModel(nam)
67 { 67 {
68 theGamma = G4Gamma::Gamma(); 68 theGamma = G4Gamma::Gamma();
69 theElectron = G4Electron::Electron(); 69 theElectron = G4Electron::Electron();
70 fminimalEnergy = 1.0*CLHEP::eV; << 70 fminimalEnergy = 1.0*eV;
71 SetDeexcitationFlag(true); 71 SetDeexcitationFlag(true);
>> 72 fParticleChange = nullptr;
>> 73 fAtomDeexcitation = nullptr;
72 74
73 fSandiaCof.resize(4,0.0); 75 fSandiaCof.resize(4,0.0);
74 76
75 // default generator 77 // default generator
76 SetAngularDistribution(new G4SauterGavrilaAn 78 SetAngularDistribution(new G4SauterGavrilaAngularDistribution());
77 } 79 }
78 80
79 //....oooOO0OOooo........oooOO0OOooo........oo 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
80 82
81 G4PEEffectFluoModel::~G4PEEffectFluoModel() = << 83 G4PEEffectFluoModel::~G4PEEffectFluoModel()
>> 84 {}
82 85
83 //....oooOO0OOooo........oooOO0OOooo........oo 86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
84 87
85 void G4PEEffectFluoModel::Initialise(const G4P 88 void G4PEEffectFluoModel::Initialise(const G4ParticleDefinition*,
86 const G4DataVector&) 89 const G4DataVector&)
87 { 90 {
88 fAtomDeexcitation = G4LossTableManager::Inst 91 fAtomDeexcitation = G4LossTableManager::Instance()->AtomDeexcitation();
89 fPEBelowKShell = G4EmParameters::Instance()- << 92 if(nullptr == fParticleChange) { fParticleChange = GetParticleChangeForGamma(); }
90 if(nullptr == fParticleChange) { << 93 size_t nmat = G4Material::GetNumberOfMaterials();
91 fParticleChange = GetParticleChangeForGamm <<
92 } <<
93 std::size_t nmat = G4Material::GetNumberOfMa <<
94 fMatEnergyTh.resize(nmat, 0.0); 94 fMatEnergyTh.resize(nmat, 0.0);
95 for(std::size_t i=0; i<nmat; ++i) { << 95 for(size_t i=0; i<nmat; ++i) {
96 fMatEnergyTh[i] = (*(G4Material::GetMateri 96 fMatEnergyTh[i] = (*(G4Material::GetMaterialTable()))[i]
97 ->GetSandiaTable()->GetSandiaCofForMater 97 ->GetSandiaTable()->GetSandiaCofForMaterial(0, 0);
98 //G4cout << "G4PEEffectFluoModel::Initiali 98 //G4cout << "G4PEEffectFluoModel::Initialise Eth(eV)= "
99 // << fMatEnergyTh[i]/eV << G4endl; 99 // << fMatEnergyTh[i]/eV << G4endl;
100 } 100 }
101 } 101 }
102 102
103 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
104 104
105 G4double 105 G4double
106 G4PEEffectFluoModel::ComputeCrossSectionPerAto 106 G4PEEffectFluoModel::ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
107 G4double energy, 107 G4double energy,
108 G4double Z, G4double, 108 G4double Z, G4double,
109 G4double, G4double) 109 G4double, G4double)
110 { 110 {
111 // This method may be used only if G4Materia 111 // This method may be used only if G4MaterialCutsCouple pointer
112 // has been set properly 112 // has been set properly
113 CurrentCouple()->GetMaterial() 113 CurrentCouple()->GetMaterial()
114 ->GetSandiaTable()->GetSandiaCofPerAtom((G 114 ->GetSandiaTable()->GetSandiaCofPerAtom((G4int)Z, energy, fSandiaCof);
115 115
116 G4double x1 = 1 / energy; << 116 G4double energy2 = energy*energy;
>> 117 G4double energy3 = energy*energy2;
>> 118 G4double energy4 = energy2*energy2;
117 119
118 return x1 * (fSandiaCof[0] + x1 * (fSandiaCo << 120 return fSandiaCof[0]/energy + fSandiaCof[1]/energy2 +
119 x1 * (fSandiaCof[2] + x1 * fSandiaCof[3])) << 121 fSandiaCof[2]/energy3 + fSandiaCof[3]/energy4;
120 } 122 }
121 123
122 //....oooOO0OOooo........oooOO0OOooo........oo 124 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
123 125
124 G4double 126 G4double
125 G4PEEffectFluoModel::CrossSectionPerVolume(con 127 G4PEEffectFluoModel::CrossSectionPerVolume(const G4Material* material,
126 const G4ParticleDefinition*, 128 const G4ParticleDefinition*,
127 G4double energy, 129 G4double energy,
128 G4double, G4double) 130 G4double, G4double)
129 { 131 {
130 // This method may be used only if G4Materia 132 // This method may be used only if G4MaterialCutsCouple pointer
131 // has been set properly 133 // has been set properly
132 energy = std::max(energy, fMatEnergyTh[mater 134 energy = std::max(energy, fMatEnergyTh[material->GetIndex()]);
133 const G4double* SandiaCof = 135 const G4double* SandiaCof =
134 material->GetSandiaTable()->GetSandiaCofFo 136 material->GetSandiaTable()->GetSandiaCofForMaterial(energy);
135 << 137
136 G4double x1 = 1 / energy; << 138 G4double energy2 = energy*energy;
137 << 139 G4double energy3 = energy*energy2;
138 return x1 * (SandiaCof[0] + x1 * (SandiaCof[ << 140 G4double energy4 = energy2*energy2;
139 x1 * (SandiaCof[2] + x1 * SandiaCof[3]))); << 141
>> 142 return SandiaCof[0]/energy + SandiaCof[1]/energy2 +
>> 143 SandiaCof[2]/energy3 + SandiaCof[3]/energy4;
140 } 144 }
141 145
142 //....oooOO0OOooo........oooOO0OOooo........oo 146 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
143 147
144 void 148 void
145 G4PEEffectFluoModel::SampleSecondaries(std::ve 149 G4PEEffectFluoModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
146 const G4MaterialCutsCouple* cou 150 const G4MaterialCutsCouple* couple,
147 const G4DynamicParticle* aDynam 151 const G4DynamicParticle* aDynamicPhoton,
148 G4double, 152 G4double,
149 G4double) 153 G4double)
150 { 154 {
151 SetCurrentCouple(couple); 155 SetCurrentCouple(couple);
152 const G4Material* aMaterial = couple->GetMat 156 const G4Material* aMaterial = couple->GetMaterial();
153 157
154 G4double energy = aDynamicPhoton->GetKinetic 158 G4double energy = aDynamicPhoton->GetKineticEnergy();
155 159
156 // select randomly one element constituing t 160 // select randomly one element constituing the material.
157 const G4Element* anElement = SelectRandomAto 161 const G4Element* anElement = SelectRandomAtom(aMaterial,theGamma,energy);
158 162
159 // 163 //
160 // Photo electron 164 // Photo electron
161 // 165 //
162 166
163 // Select atomic shell 167 // Select atomic shell
164 G4int nShells = anElement->GetNbOfAtomicShel 168 G4int nShells = anElement->GetNbOfAtomicShells();
165 G4int i = 0; 169 G4int i = 0;
166 for(; i<nShells; ++i) { 170 for(; i<nShells; ++i) {
167 /* 171 /*
168 G4cout << "i= " << i << " E(eV)= " << ener 172 G4cout << "i= " << i << " E(eV)= " << energy/eV
169 << " Eb(eV)= " << anElement->GetAtomi 173 << " Eb(eV)= " << anElement->GetAtomicShell(i)/eV
170 << " " << anElement->GetName() 174 << " " << anElement->GetName()
171 << G4endl; 175 << G4endl;
172 */ 176 */
173 if(energy >= anElement->GetAtomicShell(i)) 177 if(energy >= anElement->GetAtomicShell(i)) { break; }
174 } 178 }
175 179
176 G4double edep = energy; 180 G4double edep = energy;
177 181
178 // photo-electron is not sampled if shell is << 182 // Normally one shell is available
179 // the flag of photoeffect is "false" and sh << 183 if (i < nShells) {
180 if ( (fPEBelowKShell || 0 == i) && i < nShel << 184
181 <<
182 G4double bindingEnergy = anElement->GetAto 185 G4double bindingEnergy = anElement->GetAtomicShell(i);
183 edep = bindingEnergy; 186 edep = bindingEnergy;
184 G4double esec = 0.0; 187 G4double esec = 0.0;
185 188
186 // sample deexcitation cascade << 189 // sample deexcitation
187 // 190 //
188 if(nullptr != fAtomDeexcitation) { << 191 if(fAtomDeexcitation) {
189 G4int index = couple->GetIndex(); 192 G4int index = couple->GetIndex();
190 if(fAtomDeexcitation->CheckDeexcitationA 193 if(fAtomDeexcitation->CheckDeexcitationActiveRegion(index)) {
191 G4int Z = G4lrint(anElement->GetZ()); 194 G4int Z = G4lrint(anElement->GetZ());
192 auto as = (G4AtomicShellEnumerator)(i); << 195 G4AtomicShellEnumerator as = G4AtomicShellEnumerator(i);
193 const G4AtomicShell* shell = fAtomDeexcitati 196 const G4AtomicShell* shell = fAtomDeexcitation->GetAtomicShell(Z, as);
194 G4double eshell = shell->BindingEnergy 197 G4double eshell = shell->BindingEnergy();
195 if(eshell > bindingEnergy && eshell <= 198 if(eshell > bindingEnergy && eshell <= energy) {
196 bindingEnergy = eshell; 199 bindingEnergy = eshell;
197 edep = eshell; 200 edep = eshell;
198 } 201 }
199 std::size_t nbefore = fvect->size(); << 202 G4int nbefore = fvect->size();
200 fAtomDeexcitation->GenerateParticles(fvect, 203 fAtomDeexcitation->GenerateParticles(fvect, shell, Z, index);
201 std::size_t nafter = fvect->size(); << 204 G4int nafter = fvect->size();
202 for (std::size_t j=nbefore; j<nafter; ++j) { << 205 for (G4int j=nbefore; j<nafter; ++j) {
203 G4double e = ((*fvect)[j])->GetKineticEner 206 G4double e = ((*fvect)[j])->GetKineticEnergy();
204 if(esec + e > edep) { 207 if(esec + e > edep) {
205 // correct energy in order to have energ 208 // correct energy in order to have energy balance
206 e = edep - esec; 209 e = edep - esec;
207 ((*fvect)[j])->SetKineticEnergy(e); 210 ((*fvect)[j])->SetKineticEnergy(e);
208 esec += e; 211 esec += e;
209 /* 212 /*
210 G4cout << "### G4PEffectFluoModel Edep 213 G4cout << "### G4PEffectFluoModel Edep(eV)= " << edep/eV
211 << " Esec(eV)= " << esec/eV 214 << " Esec(eV)= " << esec/eV
212 << " E["<< j << "](eV)= " << e/eV 215 << " E["<< j << "](eV)= " << e/eV
213 << " N= " << nafter 216 << " N= " << nafter
214 << " Z= " << Z << " shell= " << i 217 << " Z= " << Z << " shell= " << i
215 << " Ebind(keV)= " << bindingEnergy/ 218 << " Ebind(keV)= " << bindingEnergy/keV
216 << " Eshell(keV)= " << shell->Bindin 219 << " Eshell(keV)= " << shell->BindingEnergy()/keV
217 << G4endl; 220 << G4endl;
218 */ 221 */
219 // delete the rest of secondaries (shoul 222 // delete the rest of secondaries (should not happens)
220 for (std::size_t jj=nafter-1; jj>j; --jj << 223 for (G4int jj=nafter-1; jj>j; --jj) {
221 delete (*fvect)[jj]; 224 delete (*fvect)[jj];
222 fvect->pop_back(); 225 fvect->pop_back();
223 } 226 }
224 break; 227 break;
225 } 228 }
226 esec += e; 229 esec += e;
227 } 230 }
228 edep -= esec; 231 edep -= esec;
229 } 232 }
230 } 233 }
231 // create photo electron 234 // create photo electron
232 // 235 //
233 G4double elecKineEnergy = energy - binding 236 G4double elecKineEnergy = energy - bindingEnergy;
234 if (elecKineEnergy > fminimalEnergy) { 237 if (elecKineEnergy > fminimalEnergy) {
235 auto aParticle = new G4DynamicParticle(t << 238 G4DynamicParticle* aParticle = new G4DynamicParticle(theElectron,
236 GetAngularDistribution()->SampleDirection(aD 239 GetAngularDistribution()->SampleDirection(aDynamicPhoton,
237 elecKineEnergy, 240 elecKineEnergy,
238 i, couple->GetMaterial()), 241 i, couple->GetMaterial()),
239 elecKineEnergy); 242 elecKineEnergy);
240 fvect->push_back(aParticle); 243 fvect->push_back(aParticle);
241 } else { 244 } else {
242 edep += elecKineEnergy; 245 edep += elecKineEnergy;
243 elecKineEnergy = 0.0; 246 elecKineEnergy = 0.0;
244 } 247 }
245 if(std::abs(energy - elecKineEnergy - esec 248 if(std::abs(energy - elecKineEnergy - esec - edep) > CLHEP::eV) {
246 G4cout << "### G4PEffectFluoModel dE(eV) 249 G4cout << "### G4PEffectFluoModel dE(eV)= "
247 << (energy - elecKineEnergy - esec - ed 250 << (energy - elecKineEnergy - esec - edep)/eV
248 << " shell= " << i 251 << " shell= " << i
249 << " E(keV)= " << energy/keV 252 << " E(keV)= " << energy/keV
250 << " Ebind(keV)= " << bindingEnergy/ke 253 << " Ebind(keV)= " << bindingEnergy/keV
251 << " Ee(keV)= " << elecKineEnergy/keV 254 << " Ee(keV)= " << elecKineEnergy/keV
252 << " Esec(keV)= " << esec/keV 255 << " Esec(keV)= " << esec/keV
253 << " Edep(keV)= " << edep/keV 256 << " Edep(keV)= " << edep/keV
254 << G4endl; 257 << G4endl;
255 } 258 }
256 } 259 }
257 260
258 // kill primary photon 261 // kill primary photon
259 fParticleChange->SetProposedKineticEnergy(0. 262 fParticleChange->SetProposedKineticEnergy(0.);
260 fParticleChange->ProposeTrackStatus(fStopAnd 263 fParticleChange->ProposeTrackStatus(fStopAndKill);
261 if(edep > 0.0) { 264 if(edep > 0.0) {
262 fParticleChange->ProposeLocalEnergyDeposit 265 fParticleChange->ProposeLocalEnergyDeposit(edep);
263 } 266 }
264 } 267 }
265 268
266 //....oooOO0OOooo........oooOO0OOooo........oo 269 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
267 270