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>> 26 // $Id: G4PEEffectFluoModel.cc 73607 2013-09-02 10:04:03Z gcosmo $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4PEEffectFluoModel 33 // File name: G4PEEffectFluoModel
33 // 34 //
34 // Author: Vladimir Ivanchenko on base 35 // Author: Vladimir Ivanchenko on base of G4PEEffectModel
35 // 36 //
36 // Creation date: 13.06.2010 37 // Creation date: 13.06.2010
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 40 //
40 // Class Description: 41 // Class Description:
41 // Implementation of the photo-electric effect 42 // Implementation of the photo-electric effect with deexcitation
42 // 43 //
43 // ------------------------------------------- 44 // -------------------------------------------------------------------
44 // 45 //
45 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
46 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47 48
48 #include "G4PEEffectFluoModel.hh" 49 #include "G4PEEffectFluoModel.hh"
49 #include "G4PhysicalConstants.hh" 50 #include "G4PhysicalConstants.hh"
50 #include "G4SystemOfUnits.hh" 51 #include "G4SystemOfUnits.hh"
51 #include "G4Electron.hh" 52 #include "G4Electron.hh"
52 #include "G4Gamma.hh" 53 #include "G4Gamma.hh"
53 #include "Randomize.hh" 54 #include "Randomize.hh"
54 #include "G4Material.hh" 55 #include "G4Material.hh"
55 #include "G4DataVector.hh" 56 #include "G4DataVector.hh"
56 #include "G4ParticleChangeForGamma.hh" 57 #include "G4ParticleChangeForGamma.hh"
57 #include "G4VAtomDeexcitation.hh" 58 #include "G4VAtomDeexcitation.hh"
58 #include "G4LossTableManager.hh" 59 #include "G4LossTableManager.hh"
59 #include "G4SauterGavrilaAngularDistribution.h 60 #include "G4SauterGavrilaAngularDistribution.hh"
60 61
61 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 63
63 using namespace std; 64 using namespace std;
64 65
65 G4PEEffectFluoModel::G4PEEffectFluoModel(const 66 G4PEEffectFluoModel::G4PEEffectFluoModel(const G4String& nam)
66 : G4VEmModel(nam) 67 : G4VEmModel(nam)
67 { 68 {
68 theGamma = G4Gamma::Gamma(); 69 theGamma = G4Gamma::Gamma();
69 theElectron = G4Electron::Electron(); 70 theElectron = G4Electron::Electron();
70 fminimalEnergy = 1.0*CLHEP::eV; << 71 fminimalEnergy = 1.0*eV;
71 SetDeexcitationFlag(true); 72 SetDeexcitationFlag(true);
>> 73 fParticleChange = 0;
>> 74 fAtomDeexcitation = 0;
72 75
73 fSandiaCof.resize(4,0.0); 76 fSandiaCof.resize(4,0.0);
74 77
75 // default generator 78 // default generator
76 SetAngularDistribution(new G4SauterGavrilaAn 79 SetAngularDistribution(new G4SauterGavrilaAngularDistribution());
77 } 80 }
78 81
79 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
80 83
81 G4PEEffectFluoModel::~G4PEEffectFluoModel() = << 84 G4PEEffectFluoModel::~G4PEEffectFluoModel()
>> 85 {}
82 86
83 //....oooOO0OOooo........oooOO0OOooo........oo 87 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
84 88
85 void G4PEEffectFluoModel::Initialise(const G4P 89 void G4PEEffectFluoModel::Initialise(const G4ParticleDefinition*,
86 const G4DataVector&) 90 const G4DataVector&)
87 { 91 {
88 fAtomDeexcitation = G4LossTableManager::Inst 92 fAtomDeexcitation = G4LossTableManager::Instance()->AtomDeexcitation();
89 fPEBelowKShell = G4EmParameters::Instance()- << 93 if(!fParticleChange) { fParticleChange = GetParticleChangeForGamma(); }
90 if(nullptr == fParticleChange) { <<
91 fParticleChange = GetParticleChangeForGamm <<
92 } <<
93 std::size_t nmat = G4Material::GetNumberOfMa <<
94 fMatEnergyTh.resize(nmat, 0.0); <<
95 for(std::size_t i=0; i<nmat; ++i) { <<
96 fMatEnergyTh[i] = (*(G4Material::GetMateri <<
97 ->GetSandiaTable()->GetSandiaCofForMater <<
98 //G4cout << "G4PEEffectFluoModel::Initiali <<
99 // << fMatEnergyTh[i]/eV << G4endl; <<
100 } <<
101 } 94 }
102 95
103 //....oooOO0OOooo........oooOO0OOooo........oo 96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
104 97
105 G4double 98 G4double
106 G4PEEffectFluoModel::ComputeCrossSectionPerAto 99 G4PEEffectFluoModel::ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
107 G4double energy, 100 G4double energy,
108 G4double Z, G4double, 101 G4double Z, G4double,
109 G4double, G4double) 102 G4double, G4double)
110 { 103 {
111 // This method may be used only if G4Materia 104 // This method may be used only if G4MaterialCutsCouple pointer
112 // has been set properly 105 // has been set properly
>> 106
113 CurrentCouple()->GetMaterial() 107 CurrentCouple()->GetMaterial()
114 ->GetSandiaTable()->GetSandiaCofPerAtom((G 108 ->GetSandiaTable()->GetSandiaCofPerAtom((G4int)Z, energy, fSandiaCof);
115 109
116 G4double x1 = 1 / energy; << 110 G4double energy2 = energy*energy;
>> 111 G4double energy3 = energy*energy2;
>> 112 G4double energy4 = energy2*energy2;
117 113
118 return x1 * (fSandiaCof[0] + x1 * (fSandiaCo << 114 return fSandiaCof[0]/energy + fSandiaCof[1]/energy2 +
119 x1 * (fSandiaCof[2] + x1 * fSandiaCof[3])) << 115 fSandiaCof[2]/energy3 + fSandiaCof[3]/energy4;
120 } 116 }
121 117
122 //....oooOO0OOooo........oooOO0OOooo........oo 118 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
123 119
124 G4double 120 G4double
125 G4PEEffectFluoModel::CrossSectionPerVolume(con 121 G4PEEffectFluoModel::CrossSectionPerVolume(const G4Material* material,
126 const G4ParticleDefinition*, 122 const G4ParticleDefinition*,
127 G4double energy, 123 G4double energy,
128 G4double, G4double) 124 G4double, G4double)
129 { 125 {
130 // This method may be used only if G4Materia <<
131 // has been set properly <<
132 energy = std::max(energy, fMatEnergyTh[mater <<
133 const G4double* SandiaCof = 126 const G4double* SandiaCof =
134 material->GetSandiaTable()->GetSandiaCofFo 127 material->GetSandiaTable()->GetSandiaCofForMaterial(energy);
135 << 128
136 G4double x1 = 1 / energy; << 129 G4double energy2 = energy*energy;
137 << 130 G4double energy3 = energy*energy2;
138 return x1 * (SandiaCof[0] + x1 * (SandiaCof[ << 131 G4double energy4 = energy2*energy2;
139 x1 * (SandiaCof[2] + x1 * SandiaCof[3]))); << 132
>> 133 return SandiaCof[0]/energy + SandiaCof[1]/energy2 +
>> 134 SandiaCof[2]/energy3 + SandiaCof[3]/energy4;
140 } 135 }
141 136
142 //....oooOO0OOooo........oooOO0OOooo........oo 137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
143 138
144 void 139 void
145 G4PEEffectFluoModel::SampleSecondaries(std::ve 140 G4PEEffectFluoModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
146 const G4MaterialCutsCouple* cou 141 const G4MaterialCutsCouple* couple,
147 const G4DynamicParticle* aDynam 142 const G4DynamicParticle* aDynamicPhoton,
148 G4double, 143 G4double,
149 G4double) 144 G4double)
150 { 145 {
151 SetCurrentCouple(couple); 146 SetCurrentCouple(couple);
152 const G4Material* aMaterial = couple->GetMat 147 const G4Material* aMaterial = couple->GetMaterial();
153 148
154 G4double energy = aDynamicPhoton->GetKinetic 149 G4double energy = aDynamicPhoton->GetKineticEnergy();
155 150
156 // select randomly one element constituing t 151 // select randomly one element constituing the material.
157 const G4Element* anElement = SelectRandomAto 152 const G4Element* anElement = SelectRandomAtom(aMaterial,theGamma,energy);
158 153
159 // 154 //
160 // Photo electron 155 // Photo electron
161 // 156 //
162 157
163 // Select atomic shell 158 // Select atomic shell
164 G4int nShells = anElement->GetNbOfAtomicShel 159 G4int nShells = anElement->GetNbOfAtomicShells();
165 G4int i = 0; 160 G4int i = 0;
166 for(; i<nShells; ++i) { 161 for(; i<nShells; ++i) {
167 /* 162 /*
168 G4cout << "i= " << i << " E(eV)= " << ener 163 G4cout << "i= " << i << " E(eV)= " << energy/eV
169 << " Eb(eV)= " << anElement->GetAtomi 164 << " Eb(eV)= " << anElement->GetAtomicShell(i)/eV
170 << " " << anElement->GetName() 165 << " " << anElement->GetName()
171 << G4endl; 166 << G4endl;
172 */ 167 */
173 if(energy >= anElement->GetAtomicShell(i)) 168 if(energy >= anElement->GetAtomicShell(i)) { break; }
174 } 169 }
175 170
176 G4double edep = energy; 171 G4double edep = energy;
177 172
178 // photo-electron is not sampled if shell is << 173 // Normally one shell is available
179 // the flag of photoeffect is "false" and sh << 174 if (i < nShells) {
180 if ( (fPEBelowKShell || 0 == i) && i < nShel << 175
181 <<
182 G4double bindingEnergy = anElement->GetAto 176 G4double bindingEnergy = anElement->GetAtomicShell(i);
183 edep = bindingEnergy; 177 edep = bindingEnergy;
184 G4double esec = 0.0; 178 G4double esec = 0.0;
185 179
186 // sample deexcitation cascade << 180 // sample deexcitation
187 // 181 //
188 if(nullptr != fAtomDeexcitation) { << 182 if(fAtomDeexcitation) {
189 G4int index = couple->GetIndex(); 183 G4int index = couple->GetIndex();
190 if(fAtomDeexcitation->CheckDeexcitationA 184 if(fAtomDeexcitation->CheckDeexcitationActiveRegion(index)) {
191 G4int Z = G4lrint(anElement->GetZ()); 185 G4int Z = G4lrint(anElement->GetZ());
192 auto as = (G4AtomicShellEnumerator)(i); << 186 G4AtomicShellEnumerator as = G4AtomicShellEnumerator(i);
193 const G4AtomicShell* shell = fAtomDeexcitati 187 const G4AtomicShell* shell = fAtomDeexcitation->GetAtomicShell(Z, as);
194 G4double eshell = shell->BindingEnergy 188 G4double eshell = shell->BindingEnergy();
195 if(eshell > bindingEnergy && eshell <= 189 if(eshell > bindingEnergy && eshell <= energy) {
196 bindingEnergy = eshell; 190 bindingEnergy = eshell;
197 edep = eshell; 191 edep = eshell;
198 } 192 }
199 std::size_t nbefore = fvect->size(); << 193 size_t nbefore = fvect->size();
200 fAtomDeexcitation->GenerateParticles(fvect, 194 fAtomDeexcitation->GenerateParticles(fvect, shell, Z, index);
201 std::size_t nafter = fvect->size(); << 195 size_t nafter = fvect->size();
202 for (std::size_t j=nbefore; j<nafter; ++j) { << 196 if(nafter > nbefore) {
203 G4double e = ((*fvect)[j])->GetKineticEner << 197 for (size_t j=nbefore; j<nafter; ++j) {
204 if(esec + e > edep) { << 198 G4double e = ((*fvect)[j])->GetKineticEnergy();
205 // correct energy in order to have energ << 199 if(esec + e > edep) {
206 e = edep - esec; << 200 /*
207 ((*fvect)[j])->SetKineticEnergy(e); <<
208 esec += e; <<
209 /* <<
210 G4cout << "### G4PEffectFluoModel Edep 201 G4cout << "### G4PEffectFluoModel Edep(eV)= " << edep/eV
211 << " Esec(eV)= " << esec/eV 202 << " Esec(eV)= " << esec/eV
212 << " E["<< j << "](eV)= " << e/eV 203 << " E["<< j << "](eV)= " << e/eV
213 << " N= " << nafter 204 << " N= " << nafter
214 << " Z= " << Z << " shell= " << i 205 << " Z= " << Z << " shell= " << i
215 << " Ebind(keV)= " << bindingEnergy/ 206 << " Ebind(keV)= " << bindingEnergy/keV
216 << " Eshell(keV)= " << shell->Bindin 207 << " Eshell(keV)= " << shell->BindingEnergy()/keV
217 << G4endl; 208 << G4endl;
218 */ << 209 */
219 // delete the rest of secondaries (shoul << 210 for (size_t jj=j; jj<nafter; ++jj) { delete (*fvect)[jj]; }
220 for (std::size_t jj=nafter-1; jj>j; --jj << 211 for (size_t jj=j; jj<nafter; ++jj) { fvect->pop_back(); }
221 delete (*fvect)[jj]; << 212 break;
222 fvect->pop_back(); <<
223 } 213 }
224 break; << 214 esec += e;
225 } << 215 }
226 esec += e; <<
227 } 216 }
228 edep -= esec; 217 edep -= esec;
229 } 218 }
230 } 219 }
231 // create photo electron 220 // create photo electron
232 // 221 //
233 G4double elecKineEnergy = energy - binding 222 G4double elecKineEnergy = energy - bindingEnergy;
234 if (elecKineEnergy > fminimalEnergy) { 223 if (elecKineEnergy > fminimalEnergy) {
235 auto aParticle = new G4DynamicParticle(t << 224 G4DynamicParticle* aParticle = new G4DynamicParticle(theElectron,
236 GetAngularDistribution()->SampleDirection(aD 225 GetAngularDistribution()->SampleDirection(aDynamicPhoton,
237 elecKineEnergy, 226 elecKineEnergy,
238 i, couple->GetMaterial()), 227 i, couple->GetMaterial()),
239 elecKineEnergy); 228 elecKineEnergy);
240 fvect->push_back(aParticle); 229 fvect->push_back(aParticle);
241 } else { 230 } else {
242 edep += elecKineEnergy; 231 edep += elecKineEnergy;
243 elecKineEnergy = 0.0; 232 elecKineEnergy = 0.0;
244 } 233 }
245 if(std::abs(energy - elecKineEnergy - esec << 234 if(fabs(energy - elecKineEnergy - esec - edep) > eV) {
246 G4cout << "### G4PEffectFluoModel dE(eV) 235 G4cout << "### G4PEffectFluoModel dE(eV)= "
247 << (energy - elecKineEnergy - esec - ed 236 << (energy - elecKineEnergy - esec - edep)/eV
248 << " shell= " << i 237 << " shell= " << i
249 << " E(keV)= " << energy/keV 238 << " E(keV)= " << energy/keV
250 << " Ebind(keV)= " << bindingEnergy/ke 239 << " Ebind(keV)= " << bindingEnergy/keV
251 << " Ee(keV)= " << elecKineEnergy/keV 240 << " Ee(keV)= " << elecKineEnergy/keV
252 << " Esec(keV)= " << esec/keV 241 << " Esec(keV)= " << esec/keV
253 << " Edep(keV)= " << edep/keV 242 << " Edep(keV)= " << edep/keV
254 << G4endl; 243 << G4endl;
255 } 244 }
256 } 245 }
257 246
258 // kill primary photon 247 // kill primary photon
259 fParticleChange->SetProposedKineticEnergy(0. 248 fParticleChange->SetProposedKineticEnergy(0.);
260 fParticleChange->ProposeTrackStatus(fStopAnd 249 fParticleChange->ProposeTrackStatus(fStopAndKill);
261 if(edep > 0.0) { 250 if(edep > 0.0) {
262 fParticleChange->ProposeLocalEnergyDeposit 251 fParticleChange->ProposeLocalEnergyDeposit(edep);
263 } 252 }
264 } 253 }
265 254
266 //....oooOO0OOooo........oooOO0OOooo........oo 255 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
267 256