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26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class file 29 // GEANT4 Class file
30 // 30 //
31 // 31 //
32 // File name: G4ElectronIonPair 32 // File name: G4ElectronIonPair
33 // 33 //
34 // Author: Vladimir Ivanchenko 34 // Author: Vladimir Ivanchenko
35 // 35 //
36 // Creation date: 08.07.2008 36 // Creation date: 08.07.2008
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 // ------------------------------------------- 40 // -------------------------------------------------------------
41 41
42 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
43 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 44
45 #include "G4ElectronIonPair.hh" 45 #include "G4ElectronIonPair.hh"
46 #include "G4SystemOfUnits.hh" 46 #include "G4SystemOfUnits.hh"
47 #include "G4Material.hh" 47 #include "G4Material.hh"
48 #include "G4MaterialTable.hh" 48 #include "G4MaterialTable.hh"
49 #include "G4StepPoint.hh" 49 #include "G4StepPoint.hh"
50 #include "G4VProcess.hh" 50 #include "G4VProcess.hh"
51 #include "G4ProcessType.hh" 51 #include "G4ProcessType.hh"
52 #include "G4Track.hh" 52 #include "G4Track.hh"
53 #include "Randomize.hh" 53 #include "Randomize.hh"
54 54
55 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
56 56
57 G4ElectronIonPair::G4ElectronIonPair(G4int ver 57 G4ElectronIonPair::G4ElectronIonPair(G4int verb)
58 { 58 {
59 verbose = verb; 59 verbose = verb;
60 curMaterial = nullptr; 60 curMaterial = nullptr;
61 curMeanEnergy = 0.0; 61 curMeanEnergy = 0.0;
62 nMaterials = 0; 62 nMaterials = 0;
63 invFanoFactor = 1.0/0.2; 63 invFanoFactor = 1.0/0.2;
64 Initialise(); 64 Initialise();
65 } 65 }
66 66
67 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
68 68
69 G4ElectronIonPair::~G4ElectronIonPair() = defa << 69 G4ElectronIonPair::~G4ElectronIonPair()
>> 70 {}
70 71
71 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
72 73
73 G4double G4ElectronIonPair::MeanNumberOfIonsAl 74 G4double G4ElectronIonPair::MeanNumberOfIonsAlongStep(
74 const G4ParticleDefinition* part, 75 const G4ParticleDefinition* part,
75 const G4Material* material, 76 const G4Material* material,
76 G4double edep, 77 G4double edep,
77 G4double niel) 78 G4double niel)
78 { 79 {
79 G4double nion = 0.0; 80 G4double nion = 0.0;
80 81
81 // NIEL does not provide ionisation clusters 82 // NIEL does not provide ionisation clusters
82 if(edep > niel) { 83 if(edep > niel) {
83 84
84 // neutral particles do not produce ionisa 85 // neutral particles do not produce ionisation along step
85 if(part->GetPDGCharge() != 0.0) { 86 if(part->GetPDGCharge() != 0.0) {
86 87
87 // select material 88 // select material
88 if(material != curMaterial) { 89 if(material != curMaterial) {
89 curMaterial = material; 90 curMaterial = material;
90 curMeanEnergy = material->GetIonisation()->G 91 curMeanEnergy = material->GetIonisation()->GetMeanEnergyPerIonPair();
91 92
92 // if mean energy is not defined then look i 93 // if mean energy is not defined then look into G4 DB
93 if(0.0 == curMeanEnergy) { 94 if(0.0 == curMeanEnergy) {
94 curMeanEnergy = FindG4MeanEnergyPerIonPair 95 curMeanEnergy = FindG4MeanEnergyPerIonPair(material);
95 } 96 }
96 } 97 }
97 if(curMeanEnergy > 0.0) { nion = (edep - 98 if(curMeanEnergy > 0.0) { nion = (edep - niel)/curMeanEnergy; }
98 } 99 }
99 } 100 }
100 return nion; 101 return nion;
101 } 102 }
102 103
103 //....oooOO0OOooo........oooOO0OOooo........oo 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
104 105
105 std::vector<G4ThreeVector>* 106 std::vector<G4ThreeVector>*
106 G4ElectronIonPair::SampleIonsAlongStep(const G 107 G4ElectronIonPair::SampleIonsAlongStep(const G4Step* step)
107 { 108 {
108 std::vector<G4ThreeVector>* v = nullptr; << 109 std::vector<G4ThreeVector>* v = 0;
109 110
110 G4int nion = SampleNumberOfIonsAlongStep(ste 111 G4int nion = SampleNumberOfIonsAlongStep(step);
111 112
112 // sample ionisation along step 113 // sample ionisation along step
113 if(nion > 0) { 114 if(nion > 0) {
114 115
115 v = new std::vector<G4ThreeVector>; 116 v = new std::vector<G4ThreeVector>;
116 G4ThreeVector prePos = step->GetPreStepPoi 117 G4ThreeVector prePos = step->GetPreStepPoint()->GetPosition();
117 G4ThreeVector deltaPos = step->GetPostStep 118 G4ThreeVector deltaPos = step->GetPostStepPoint()->GetPosition() - prePos;
118 for(G4int i=0; i<nion; ++i) { 119 for(G4int i=0; i<nion; ++i) {
119 v->push_back( prePos + deltaPos*G4Unifor 120 v->push_back( prePos + deltaPos*G4UniformRand() );
120 } 121 }
121 if(verbose > 1 ) { 122 if(verbose > 1 ) {
122 G4cout << "### G4ElectronIonPair::Sample 123 G4cout << "### G4ElectronIonPair::SampleIonisationPoints: "
123 << v->size() << " ion pairs are added" 124 << v->size() << " ion pairs are added" << G4endl;
124 } 125 }
125 } 126 }
126 return v; 127 return v;
127 } 128 }
128 129
129 //....oooOO0OOooo........oooOO0OOooo........oo 130 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
130 131
131 G4int 132 G4int
132 G4ElectronIonPair::ResidualeChargePostStep(con 133 G4ElectronIonPair::ResidualeChargePostStep(const G4ParticleDefinition*,
133 const G4TrackVector*, 134 const G4TrackVector*,
134 G4int subType) const 135 G4int subType) const
135 { 136 {
136 G4int nholes = 0; 137 G4int nholes = 0;
137 138
138 if(2 == subType || 12 == subType || 13 == su 139 if(2 == subType || 12 == subType || 13 == subType) { nholes = 1; }
139 return nholes; 140 return nholes;
140 } 141 }
141 142
142 //....oooOO0OOooo........oooOO0OOooo........oo 143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
143 144
144 G4double 145 G4double
145 G4ElectronIonPair::FindG4MeanEnergyPerIonPair( 146 G4ElectronIonPair::FindG4MeanEnergyPerIonPair(const G4Material* mat) const
146 { 147 {
147 G4String name = mat->GetName(); 148 G4String name = mat->GetName();
148 G4double res = 0.0; 149 G4double res = 0.0;
149 150
150 // is this material in the vector? 151 // is this material in the vector?
151 for(G4int j=0; j<nMaterials; ++j) { << 152 for(G4int j=0; j<nMaterials; j++) {
152 if(name == g4MatNames[j]) { 153 if(name == g4MatNames[j]) {
153 res = g4MatData[j]; 154 res = g4MatData[j];
154 mat->GetIonisation()->SetMeanEnergyPerIo 155 mat->GetIonisation()->SetMeanEnergyPerIonPair(res);
155 if(verbose > 0) { 156 if(verbose > 0) {
156 G4cout << "### G4ElectronIonPair::FindG4Mean 157 G4cout << "### G4ElectronIonPair::FindG4MeanEnergyPerIonPair for "
157 << name << " Epair= " << res/eV << " 158 << name << " Epair= " << res/eV << " eV is set"
158 << G4endl; 159 << G4endl;
159 } 160 }
160 break; 161 break;
161 } 162 }
162 } 163 }
163 return res; 164 return res;
164 } 165 }
165 166
166 //....oooOO0OOooo........oooOO0OOooo........oo 167 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
167 168
168 void G4ElectronIonPair:: DumpMeanEnergyPerIonP 169 void G4ElectronIonPair:: DumpMeanEnergyPerIonPair() const
169 { 170 {
170 std::size_t nmat = G4Material::GetNumberOfMa << 171 G4int nmat = G4Material::GetNumberOfMaterials();
171 const G4MaterialTable* mtable = G4Material:: 172 const G4MaterialTable* mtable = G4Material::GetMaterialTable();
172 if(nmat > 0) { 173 if(nmat > 0) {
173 G4cout << "### G4ElectronIonPair: mean ene 174 G4cout << "### G4ElectronIonPair: mean energy per ion pair available:"
174 << G4endl; 175 << G4endl;
175 for(std::size_t i=0; i<nmat; ++i) { << 176 for(G4int i=0; i<nmat; ++i) {
176 const G4Material* mat = (*mtable)[i]; 177 const G4Material* mat = (*mtable)[i];
177 G4double x = mat->GetIonisation()->GetMe 178 G4double x = mat->GetIonisation()->GetMeanEnergyPerIonPair();
178 if(x > 0.0) { 179 if(x > 0.0) {
179 G4cout << " " << mat->GetName() << " Epa 180 G4cout << " " << mat->GetName() << " Epair= "
180 << x/eV << " eV" << G4endl; 181 << x/eV << " eV" << G4endl;
181 } 182 }
182 } 183 }
183 } 184 }
184 } 185 }
185 186
186 //....oooOO0OOooo........oooOO0OOooo........oo 187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
187 188
188 void G4ElectronIonPair::DumpG4MeanEnergyPerIon 189 void G4ElectronIonPair::DumpG4MeanEnergyPerIonPair() const
189 { 190 {
190 if(nMaterials > 0) { 191 if(nMaterials > 0) {
191 G4cout << "### G4ElectronIonPair: mean ene 192 G4cout << "### G4ElectronIonPair: mean energy per ion pair "
192 << " for Geant4 materials" << G4endl; 193 << " for Geant4 materials" << G4endl;
193 for(G4int i=0; i<nMaterials; ++i) { 194 for(G4int i=0; i<nMaterials; ++i) {
194 G4cout << " " << g4MatNames[i] << " 195 G4cout << " " << g4MatNames[i] << " Epair= "
195 << g4MatData[i]/eV << " eV" << G4endl; 196 << g4MatData[i]/eV << " eV" << G4endl;
196 } 197 }
197 } 198 }
198 } 199 }
199 200
200 //....oooOO0OOooo........oooOO0OOooo........oo 201 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
201 202
202 void G4ElectronIonPair::Initialise() 203 void G4ElectronIonPair::Initialise()
203 { 204 {
204 // ICRU Report 31, 1979 205 // ICRU Report 31, 1979
205 g4MatNames.push_back("G4_Si"); 206 g4MatNames.push_back("G4_Si");
206 g4MatData.push_back(3.62*eV); 207 g4MatData.push_back(3.62*eV);
207 208
208 g4MatNames.push_back("G4_Ge"); 209 g4MatNames.push_back("G4_Ge");
209 g4MatData.push_back(2.97*eV); 210 g4MatData.push_back(2.97*eV);
210 211
211 g4MatNames.push_back("G4_He"); 212 g4MatNames.push_back("G4_He");
212 g4MatData.push_back(44.4*eV); 213 g4MatData.push_back(44.4*eV);
213 214
214 g4MatNames.push_back("G4_N"); 215 g4MatNames.push_back("G4_N");
215 g4MatData.push_back(36.4*eV); 216 g4MatData.push_back(36.4*eV);
216 217
217 g4MatNames.push_back("G4_O"); 218 g4MatNames.push_back("G4_O");
218 g4MatData.push_back(32.3*eV); 219 g4MatData.push_back(32.3*eV);
219 220
220 g4MatNames.push_back("G4_Ne"); 221 g4MatNames.push_back("G4_Ne");
221 g4MatData.push_back(36.8*eV); 222 g4MatData.push_back(36.8*eV);
222 223
223 g4MatNames.push_back("G4_Ar"); 224 g4MatNames.push_back("G4_Ar");
224 g4MatData.push_back(26.34*eV); 225 g4MatData.push_back(26.34*eV);
225 226
226 g4MatNames.push_back("G4_Kr"); 227 g4MatNames.push_back("G4_Kr");
227 g4MatData.push_back(24.1*eV); 228 g4MatData.push_back(24.1*eV);
228 229
229 g4MatNames.push_back("G4_Xe"); 230 g4MatNames.push_back("G4_Xe");
230 g4MatData.push_back(21.6*eV); 231 g4MatData.push_back(21.6*eV);
231 232
232 g4MatNames.push_back("G4_lAr"); 233 g4MatNames.push_back("G4_lAr");
233 g4MatData.push_back(23.6*eV); 234 g4MatData.push_back(23.6*eV);
234 235
235 g4MatNames.push_back("G4_lKr"); 236 g4MatNames.push_back("G4_lKr");
236 g4MatData.push_back(20.5*eV); 237 g4MatData.push_back(20.5*eV);
237 238
238 g4MatNames.push_back("G4_lXe"); 239 g4MatNames.push_back("G4_lXe");
239 g4MatData.push_back(15.6*eV); 240 g4MatData.push_back(15.6*eV);
240 241
241 g4MatNames.push_back("G4_AIR"); 242 g4MatNames.push_back("G4_AIR");
242 g4MatData.push_back(35.1*eV); 243 g4MatData.push_back(35.1*eV);
243 244
244 nMaterials = (G4int)g4MatData.size(); << 245 nMaterials = g4MatData.size();
245 } 246 }
246 247
247 //....oooOO0OOooo........oooOO0OOooo........oo 248 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
248 249