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27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class file 29 // GEANT4 Class file
30 // 30 //
31 // 31 //
32 // File name: G4hParametrisedLossModel 32 // File name: G4hParametrisedLossModel
33 // 33 //
34 // Author: V.Ivanchenko (Vladimir.Ivanc 34 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch)
35 // 35 //
36 // Creation date: 20 July 2000 36 // Creation date: 20 July 2000
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 20/07/2000 V.Ivanchenko First implementati 39 // 20/07/2000 V.Ivanchenko First implementation
40 // 18/08/2000 V.Ivanchenko TRIM85 model is ad 40 // 18/08/2000 V.Ivanchenko TRIM85 model is added
41 // 03/10/2000 V.Ivanchenko CodeWizard clean u 41 // 03/10/2000 V.Ivanchenko CodeWizard clean up
42 // 10/05/2001 V.Ivanchenko Clean up againist 42 // 10/05/2001 V.Ivanchenko Clean up againist Linux compilation with -Wall
43 // 30/12/2003 V.Ivanchenko SRIM2003 model is 43 // 30/12/2003 V.Ivanchenko SRIM2003 model is added
44 // 07/05/2004 V.Ivanchenko Fix Graphite probl 44 // 07/05/2004 V.Ivanchenko Fix Graphite problem, add QAO model
45 // 45 //
46 // Class Description: 46 // Class Description:
47 // 47 //
48 // Low energy protons/ions electronic stopping 48 // Low energy protons/ions electronic stopping power parametrisation
49 // 49 //
50 // Class Description: End 50 // Class Description: End
51 // 51 //
52 // ------------------------------------------- 52 // -------------------------------------------------------------------
53 // 53 //
54 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
55 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
56 56
57 #include "G4hParametrisedLossModel.hh" 57 #include "G4hParametrisedLossModel.hh"
58 58
59 #include "globals.hh" 59 #include "globals.hh"
60 #include "G4PhysicalConstants.hh" 60 #include "G4PhysicalConstants.hh"
61 #include "G4SystemOfUnits.hh" 61 #include "G4SystemOfUnits.hh"
62 #include "G4UnitsTable.hh" 62 #include "G4UnitsTable.hh"
63 #include "G4hZiegler1985p.hh" 63 #include "G4hZiegler1985p.hh"
64 #include "G4hICRU49p.hh" 64 #include "G4hICRU49p.hh"
65 #include "G4hICRU49He.hh" 65 #include "G4hICRU49He.hh"
66 #include "G4DynamicParticle.hh" 66 #include "G4DynamicParticle.hh"
67 #include "G4ParticleDefinition.hh" 67 #include "G4ParticleDefinition.hh"
68 #include "G4ElementVector.hh" 68 #include "G4ElementVector.hh"
69 #include "G4Material.hh" 69 #include "G4Material.hh"
70 #include "G4Exp.hh" 70 #include "G4Exp.hh"
71 71
72 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
73 73
74 G4hParametrisedLossModel::G4hParametrisedLossM 74 G4hParametrisedLossModel::G4hParametrisedLossModel(const G4String& name)
75 :G4VLowEnergyModel(name), modelName(name) 75 :G4VLowEnergyModel(name), modelName(name)
76 { 76 {
77 InitializeMe(); 77 InitializeMe();
78 } 78 }
79 79
80 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
81 81
82 void G4hParametrisedLossModel::InitializeMe() 82 void G4hParametrisedLossModel::InitializeMe()
83 { 83 {
84 expStopPower125 = 0.; 84 expStopPower125 = 0.;
85 85
86 theZieglerFactor = eV*cm2*1.0e-15 ; 86 theZieglerFactor = eV*cm2*1.0e-15 ;
87 87
88 // Registration of parametrisation models 88 // Registration of parametrisation models
89 const G4String& blank(" "); << 89 G4String blank = G4String(" ") ;
90 const G4String& ir49p("ICRU_R49p"); << 90 G4String ir49p = G4String("ICRU_R49p") ;
91 const G4String& ir49He("ICRU_R49He"); << 91 G4String ir49He = G4String("ICRU_R49He") ;
92 const G4String& zi85p("Ziegler1985p"); << 92 G4String zi85p = G4String("Ziegler1985p") ;
93 if(zi85p == modelName) { 93 if(zi85p == modelName) {
94 eStopingPowerTable = new G4hZiegler1985p 94 eStopingPowerTable = new G4hZiegler1985p();
95 highEnergyLimit = 100.0*MeV; 95 highEnergyLimit = 100.0*MeV;
96 lowEnergyLimit = 1.0*keV; 96 lowEnergyLimit = 1.0*keV;
97 97
98 } else if(ir49p == modelName || blank == mod 98 } else if(ir49p == modelName || blank == modelName) {
99 eStopingPowerTable = new G4hICRU49p(); 99 eStopingPowerTable = new G4hICRU49p();
100 highEnergyLimit = 2.0*MeV; 100 highEnergyLimit = 2.0*MeV;
101 lowEnergyLimit = 1.0*keV; 101 lowEnergyLimit = 1.0*keV;
102 102
103 } else if(ir49He == modelName) { 103 } else if(ir49He == modelName) {
104 eStopingPowerTable = new G4hICRU49He(); 104 eStopingPowerTable = new G4hICRU49He();
105 highEnergyLimit = 10.0*MeV/4.0; 105 highEnergyLimit = 10.0*MeV/4.0;
106 lowEnergyLimit = 1.0*keV/4.0; 106 lowEnergyLimit = 1.0*keV/4.0;
107 107
108 } else { 108 } else {
109 eStopingPowerTable = new G4hICRU49p(); 109 eStopingPowerTable = new G4hICRU49p();
110 highEnergyLimit = 2.0*MeV; 110 highEnergyLimit = 2.0*MeV;
111 lowEnergyLimit = 1.0*keV; 111 lowEnergyLimit = 1.0*keV;
112 G4cout << "G4hParametrisedLossModel Warn 112 G4cout << "G4hParametrisedLossModel Warning: <" << modelName
113 << "> is unknown - default <" 113 << "> is unknown - default <"
114 << ir49p << ">" << " is used for 114 << ir49p << ">" << " is used for Electronic Stopping"
115 << G4endl; 115 << G4endl;
116 modelName = ir49p; 116 modelName = ir49p;
117 } 117 }
118 /* 118 /*
119 G4cout << "G4hParametrisedLossModel: the 119 G4cout << "G4hParametrisedLossModel: the model <"
120 << modelName << ">" << " is used 120 << modelName << ">" << " is used for Electronic Stopping"
121 << G4endl; 121 << G4endl;
122 */ 122 */
123 } 123 }
124 124
125 //....oooOO0OOooo........oooOO0OOooo........oo 125 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
126 126
127 G4hParametrisedLossModel::~G4hParametrisedLoss 127 G4hParametrisedLossModel::~G4hParametrisedLossModel()
128 { 128 {
129 delete eStopingPowerTable; 129 delete eStopingPowerTable;
130 } 130 }
131 131
132 //....oooOO0OOooo........oooOO0OOooo........oo 132 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
133 133
134 G4double G4hParametrisedLossModel::TheValue(co 134 G4double G4hParametrisedLossModel::TheValue(const G4DynamicParticle* particle,
135 const G4Material* material) 135 const G4Material* material)
136 { 136 {
137 G4double scaledEnergy = (particle->GetKineti 137 G4double scaledEnergy = (particle->GetKineticEnergy())
138 * proton_mass_c2/(part 138 * proton_mass_c2/(particle->GetMass());
139 G4double factor = theZieglerFactor; 139 G4double factor = theZieglerFactor;
140 if (scaledEnergy < lowEnergyLimit) { 140 if (scaledEnergy < lowEnergyLimit) {
141 if (modelName != "QAO") factor *= std::sqr 141 if (modelName != "QAO") factor *= std::sqrt(scaledEnergy/lowEnergyLimit);
142 scaledEnergy = lowEnergyLimit; 142 scaledEnergy = lowEnergyLimit;
143 } 143 }
144 G4double eloss = StoppingPower(material,scal 144 G4double eloss = StoppingPower(material,scaledEnergy) * factor;
145 145
146 return eloss; 146 return eloss;
147 } 147 }
148 148
149 //....oooOO0OOooo........oooOO0OOooo........oo 149 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
150 150
151 G4double G4hParametrisedLossModel::TheValue(co 151 G4double G4hParametrisedLossModel::TheValue(const G4ParticleDefinition* aParticle,
152 const G4Material* material, 152 const G4Material* material,
153 G4double kineticEnergy) 153 G4double kineticEnergy)
154 { 154 {
155 G4double scaledEnergy = kineticEnergy 155 G4double scaledEnergy = kineticEnergy
156 * proton_mass_c2/(aPar 156 * proton_mass_c2/(aParticle->GetPDGMass());
157 157
158 G4double factor = theZieglerFactor; 158 G4double factor = theZieglerFactor;
159 if (scaledEnergy < lowEnergyLimit) { 159 if (scaledEnergy < lowEnergyLimit) {
160 if (modelName != "QAO") factor *= std::sqr 160 if (modelName != "QAO") factor *= std::sqrt(scaledEnergy/lowEnergyLimit);
161 scaledEnergy = lowEnergyLimit; 161 scaledEnergy = lowEnergyLimit;
162 } 162 }
163 G4double eloss = StoppingPower(material,scal 163 G4double eloss = StoppingPower(material,scaledEnergy) * factor;
164 164
165 return eloss; 165 return eloss;
166 } 166 }
167 167
168 //....oooOO0OOooo........oooOO0OOooo........oo 168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
169 169
170 G4double G4hParametrisedLossModel::LowEnergyLi 170 G4double G4hParametrisedLossModel::LowEnergyLimit(const G4ParticleDefinition* ,
171 const G4Material*) const 171 const G4Material*) const
172 { 172 {
173 return lowEnergyLimit; 173 return lowEnergyLimit;
174 } 174 }
175 175
176 //....oooOO0OOooo........oooOO0OOooo........oo 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
177 177
178 G4double G4hParametrisedLossModel::HighEnergyL 178 G4double G4hParametrisedLossModel::HighEnergyLimit(const G4ParticleDefinition* ,
179 const G4Material*) const 179 const G4Material*) const
180 { 180 {
181 return highEnergyLimit; 181 return highEnergyLimit;
182 } 182 }
183 //....oooOO0OOooo........oooOO0OOooo........oo 183 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184 184
185 G4double G4hParametrisedLossModel::LowEnergyLi 185 G4double G4hParametrisedLossModel::LowEnergyLimit(const G4ParticleDefinition* ) const
186 { 186 {
187 return lowEnergyLimit; 187 return lowEnergyLimit;
188 } 188 }
189 189
190 //....oooOO0OOooo........oooOO0OOooo........oo 190 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
191 191
192 G4double G4hParametrisedLossModel::HighEnergyL 192 G4double G4hParametrisedLossModel::HighEnergyLimit(const G4ParticleDefinition* ) const
193 { 193 {
194 return highEnergyLimit; 194 return highEnergyLimit;
195 } 195 }
196 196
197 //....oooOO0OOooo........oooOO0OOooo........oo 197 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
198 198
199 G4bool G4hParametrisedLossModel::IsInCharge(co 199 G4bool G4hParametrisedLossModel::IsInCharge(const G4DynamicParticle* ,
200 const G4Material*) const 200 const G4Material*) const
201 { 201 {
202 return true; 202 return true;
203 } 203 }
204 204
205 //....oooOO0OOooo........oooOO0OOooo........oo 205 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
206 206
207 G4bool G4hParametrisedLossModel::IsInCharge(co 207 G4bool G4hParametrisedLossModel::IsInCharge(const G4ParticleDefinition* ,
208 const G4Material*) const 208 const G4Material*) const
209 { 209 {
210 return true; 210 return true;
211 } 211 }
212 212
213 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
214 214
215 G4double G4hParametrisedLossModel::StoppingPow 215 G4double G4hParametrisedLossModel::StoppingPower(const G4Material* material,
216 G4double kineticEnergy) 216 G4double kineticEnergy)
217 { 217 {
218 G4double eloss = 0.0; 218 G4double eloss = 0.0;
219 219
220 const std::size_t numberOfElements = materia << 220 const G4int numberOfElements = material->GetNumberOfElements() ;
221 const G4double* theAtomicNumDensityVector = 221 const G4double* theAtomicNumDensityVector =
222 material->GetAtomicNumDensityVector() ; 222 material->GetAtomicNumDensityVector() ;
223 223
224 224
225 // compound material with parametrisation 225 // compound material with parametrisation
226 if( (eStopingPowerTable->HasMaterial(materia 226 if( (eStopingPowerTable->HasMaterial(material)) ) {
227 227
228 eloss = eStopingPowerTable->StoppingPower( 228 eloss = eStopingPowerTable->StoppingPower(material, kineticEnergy);
229 if ("QAO" != modelName) { 229 if ("QAO" != modelName) {
230 eloss *= material->GetTotNbOfAtomsPerVo 230 eloss *= material->GetTotNbOfAtomsPerVolume();
231 if(1 < numberOfElements) { 231 if(1 < numberOfElements) {
232 G4int nAtoms = 0; 232 G4int nAtoms = 0;
233 233
234 const G4int* theAtomsVector = material 234 const G4int* theAtomsVector = material->GetAtomsVector();
235 for (std::size_t iel=0; iel<numberOfEl << 235 for (G4int iel=0; iel<numberOfElements; iel++) {
236 nAtoms += theAtomsVector[iel]; 236 nAtoms += theAtomsVector[iel];
237 } 237 }
238 eloss /= nAtoms; 238 eloss /= nAtoms;
239 } 239 }
240 } 240 }
241 241
242 // pure material 242 // pure material
243 } else if(1 == numberOfElements) { 243 } else if(1 == numberOfElements) {
244 244
245 G4double z = material->GetZ(); 245 G4double z = material->GetZ();
246 eloss = (eStopingPowerTable->ElectronicSto 246 eloss = (eStopingPowerTable->ElectronicStoppingPower(z, kineticEnergy))
247 * (material->Ge 247 * (material->GetTotNbOfAtomsPerVolume()) ;
248 248
249 // Experimental data exist only for kinetic 249 // Experimental data exist only for kinetic energy 125 keV
250 } else if( MolecIsInZiegler1988(material)) { 250 } else if( MolecIsInZiegler1988(material)) {
251 251
252 // Cycle over elements - calculation based o 252 // Cycle over elements - calculation based on Bragg's rule
253 G4double eloss125 = 0.0 ; 253 G4double eloss125 = 0.0 ;
254 const G4ElementVector* theElementVector = 254 const G4ElementVector* theElementVector =
255 material->GetElemen 255 material->GetElementVector() ;
256 256
257 257
258 // loop for the elements in the material 258 // loop for the elements in the material
259 for (std::size_t i=0; i<numberOfElements; << 259 for (G4int i=0; i<numberOfElements; i++) {
260 const G4Element* element = (*theElementV 260 const G4Element* element = (*theElementVector)[i] ;
261 G4double z = element->GetZ() ; 261 G4double z = element->GetZ() ;
262 eloss +=(eStopingPowerTable->Electron 262 eloss +=(eStopingPowerTable->ElectronicStoppingPower(z,kineticEnergy))
263 * theAtomi 263 * theAtomicNumDensityVector[i] ;
264 eloss125 +=(eStopingPowerTable->Electron 264 eloss125 +=(eStopingPowerTable->ElectronicStoppingPower(z,125.0*keV))
265 * theAtomi 265 * theAtomicNumDensityVector[i] ;
266 } 266 }
267 267
268 // Chemical factor is taken into account 268 // Chemical factor is taken into account
269 if (eloss125 > 0.0) { << 269 eloss *= ChemicalFactor(kineticEnergy, eloss125) ;
270 eloss *= ChemicalFactor(kineticEnergy, e <<
271 } <<
272 270
273 // Brugg's rule calculation 271 // Brugg's rule calculation
274 } else { 272 } else {
275 const G4ElementVector* theElementVector = 273 const G4ElementVector* theElementVector =
276 material->GetElemen 274 material->GetElementVector() ;
277 275
278 // loop for the elements in the material 276 // loop for the elements in the material
279 for (std::size_t i=0; i<numberOfElements; << 277 for (G4int i=0; i<numberOfElements; i++)
280 { 278 {
281 const G4Element* element = (*theElementV 279 const G4Element* element = (*theElementVector)[i] ;
282 G4double z = element->GetZ() ; 280 G4double z = element->GetZ() ;
283 eloss += (eStopingPowerTable->Electron 281 eloss += (eStopingPowerTable->ElectronicStoppingPower(z,kineticEnergy))
284 * theAtomic 282 * theAtomicNumDensityVector[i];
285 } 283 }
286 } 284 }
287 return eloss; 285 return eloss;
288 } 286 }
289 287
290 //....oooOO0OOooo........oooOO0OOooo........oo 288 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
291 289
292 G4bool G4hParametrisedLossModel::MolecIsInZieg 290 G4bool G4hParametrisedLossModel::MolecIsInZiegler1988(
293 const G4Mater 291 const G4Material* material)
294 { 292 {
295 // The list of molecules from 293 // The list of molecules from
296 // J.F.Ziegler and J.M.Manoyan, The stopping 294 // J.F.Ziegler and J.M.Manoyan, The stopping of ions in compaunds,
297 // Nucl. Inst. & Meth. in Phys. Res. B35 (19 295 // Nucl. Inst. & Meth. in Phys. Res. B35 (1988) 215-228.
298 296
299 G4String myFormula = G4String(" ") ; 297 G4String myFormula = G4String(" ") ;
300 const G4String chFormula = material->GetChem 298 const G4String chFormula = material->GetChemicalFormula() ;
301 if (myFormula == chFormula ) return false ; 299 if (myFormula == chFormula ) return false ;
302 300
303 // There are no evidence for difference of 301 // There are no evidence for difference of stopping power depended on
304 // phase of the compound except for water. 302 // phase of the compound except for water. The stopping power of the
305 // water in gas phase can be predicted usin 303 // water in gas phase can be predicted using Bragg's rule.
306 // 304 //
307 // No chemical factor for water-gas 305 // No chemical factor for water-gas
308 306
309 myFormula = G4String("H_2O") ; 307 myFormula = G4String("H_2O") ;
310 const G4State theState = material->GetState( 308 const G4State theState = material->GetState() ;
311 if( theState == kStateGas && myFormula == ch 309 if( theState == kStateGas && myFormula == chFormula) return false ;
312 310
313 const std::size_t numberOfMolecula = 53 ; << 311 const size_t numberOfMolecula = 53 ;
314 312
315 // The coffecient from Table.4 of Ziegler & 313 // The coffecient from Table.4 of Ziegler & Manoyan
316 static const G4double HeEff = 2.8735 ; 314 static const G4double HeEff = 2.8735 ;
317 315
318 static const G4String name[numberOfMolecula] 316 static const G4String name[numberOfMolecula] = {
319 "H_2O", "C_2H_4O", "C_3H_6O", "C_2 317 "H_2O", "C_2H_4O", "C_3H_6O", "C_2H_2", "C_H_3OH",
320 "C_2H_5OH", "C_3H_7OH", "C_3H_4", "NH 318 "C_2H_5OH", "C_3H_7OH", "C_3H_4", "NH_3", "C_14H_10",
321 "C_6H_6", "C_4H_10", "C_4H_6", "C_ 319 "C_6H_6", "C_4H_10", "C_4H_6", "C_4H_8O", "CCl_4",
322 "CF_4", "C_6H_8", "C_6H_12", "C_ 320 "CF_4", "C_6H_8", "C_6H_12", "C_6H_10O", "C_6H_10",
323 "C_8H_16", "C_5H_10", "C_5H_8", "C_ 321 "C_8H_16", "C_5H_10", "C_5H_8", "C_3H_6-Cyclopropane","C_2H_4F_2",
324 "C_2H_2F_2", "C_4H_8O_2", "C_2H_6", "C_ 322 "C_2H_2F_2", "C_4H_8O_2", "C_2H_6", "C_2F_6", "C_2H_6O",
325 "C_3H_6O", "C_4H_10O", "C_2H_4", "C_ 323 "C_3H_6O", "C_4H_10O", "C_2H_4", "C_2H_4O", "C_2H_4S",
326 "SH_2", "CH_4", "CCLF_3", "CC 324 "SH_2", "CH_4", "CCLF_3", "CCl_2F_2", "CHCl_2F",
327 "(CH_3)_2S", "N_2O", "C_5H_10O", "C_ 325 "(CH_3)_2S", "N_2O", "C_5H_10O", "C_8H_6", "(CH_2)_N",
328 "(C_3H_6)_N","(C_8H_8)_N", "C_3H_8", "C_ 326 "(C_3H_6)_N","(C_8H_8)_N", "C_3H_8", "C_3H_6-Propylene", "C_3H_6O",
329 "C_3H_6S", "C_4H_4S", "C_7H_8" 327 "C_3H_6S", "C_4H_4S", "C_7H_8"
330 }; 328 };
331 329
332 static const G4double expStopping[numberOfMo 330 static const G4double expStopping[numberOfMolecula] = {
333 66.1, 190.4, 258.7, 42.2, 141.5, 331 66.1, 190.4, 258.7, 42.2, 141.5,
334 210.9, 279.6, 198.8, 31.0, 267.5, 332 210.9, 279.6, 198.8, 31.0, 267.5,
335 122.8, 311.4, 260.3, 328.9, 391.3, 333 122.8, 311.4, 260.3, 328.9, 391.3,
336 206.6, 374.0, 422.0, 432.0, 398.0, 334 206.6, 374.0, 422.0, 432.0, 398.0,
337 554.0, 353.0, 326.0, 74.6, 220.5, 335 554.0, 353.0, 326.0, 74.6, 220.5,
338 197.4, 362.0, 170.0, 330.5, 211.3, 336 197.4, 362.0, 170.0, 330.5, 211.3,
339 262.3, 349.6, 51.3, 187.0, 236.9, 337 262.3, 349.6, 51.3, 187.0, 236.9,
340 121.9, 35.8, 247.0, 292.6, 268.0, 338 121.9, 35.8, 247.0, 292.6, 268.0,
341 262.3, 49.0, 398.9, 444.0, 22.91, 339 262.3, 49.0, 398.9, 444.0, 22.91,
342 68.0, 155.0, 84.0, 74.2, 254.7, 340 68.0, 155.0, 84.0, 74.2, 254.7,
343 306.8, 324.4, 420.0 341 306.8, 324.4, 420.0
344 } ; 342 } ;
345 343
346 static const G4double expCharge[numberOfMole 344 static const G4double expCharge[numberOfMolecula] = {
347 HeEff, HeEff, HeEff, 1.0, HeEff, 345 HeEff, HeEff, HeEff, 1.0, HeEff,
348 HeEff, HeEff, HeEff, 1.0, 1.0, 346 HeEff, HeEff, HeEff, 1.0, 1.0,
349 1.0, HeEff, HeEff, HeEff, HeEff, 347 1.0, HeEff, HeEff, HeEff, HeEff,
350 HeEff, HeEff, HeEff, HeEff, HeEff, 348 HeEff, HeEff, HeEff, HeEff, HeEff,
351 HeEff, HeEff, HeEff, 1.0, HeEff, 349 HeEff, HeEff, HeEff, 1.0, HeEff,
352 HeEff, HeEff, HeEff, HeEff, HeEff, 350 HeEff, HeEff, HeEff, HeEff, HeEff,
353 HeEff, HeEff, 1.0, HeEff, HeEff, 351 HeEff, HeEff, 1.0, HeEff, HeEff,
354 HeEff, 1.0, HeEff, HeEff, HeEff, 352 HeEff, 1.0, HeEff, HeEff, HeEff,
355 HeEff, 1.0, HeEff, HeEff, 1.0, 353 HeEff, 1.0, HeEff, HeEff, 1.0,
356 1.0, 1.0, 1.0, 1.0, HeEff, 354 1.0, 1.0, 1.0, 1.0, HeEff,
357 HeEff, HeEff, HeEff 355 HeEff, HeEff, HeEff
358 } ; 356 } ;
359 357
360 static const G4double numberOfAtomsPerMolecu 358 static const G4double numberOfAtomsPerMolecula[numberOfMolecula] = {
361 3.0, 7.0, 10.0, 4.0, 6.0, 359 3.0, 7.0, 10.0, 4.0, 6.0,
362 9.0, 12.0, 7.0, 4.0, 24.0, 360 9.0, 12.0, 7.0, 4.0, 24.0,
363 12.0, 14.0, 10.0, 13.0, 5.0, 361 12.0, 14.0, 10.0, 13.0, 5.0,
364 5.0, 14.0, 18.0, 17.0, 17.0, 362 5.0, 14.0, 18.0, 17.0, 17.0,
365 24.0, 15.0, 13.0, 9.0, 8.0, 363 24.0, 15.0, 13.0, 9.0, 8.0,
366 6.0, 14.0, 8.0, 8.0, 9.0, 364 6.0, 14.0, 8.0, 8.0, 9.0,
367 10.0, 15.0, 6.0, 7.0, 7.0, 365 10.0, 15.0, 6.0, 7.0, 7.0,
368 3.0, 5.0, 5.0, 5.0, 5.0, 366 3.0, 5.0, 5.0, 5.0, 5.0,
369 9.0, 3.0, 16.0, 14.0, 3.0, 367 9.0, 3.0, 16.0, 14.0, 3.0,
370 9.0, 16.0, 11.0, 9.0, 10.0, 368 9.0, 16.0, 11.0, 9.0, 10.0,
371 10.0, 9.0, 15.0 369 10.0, 9.0, 15.0
372 } ; 370 } ;
373 371
374 // Search for the compaund in the table 372 // Search for the compaund in the table
375 for (std::size_t i=0; i<numberOfMolecula; ++ << 373 for (size_t i=0; i<numberOfMolecula; i++)
376 { 374 {
377 if(chFormula == name[i]) { 375 if(chFormula == name[i]) {
378 G4double exp125 = expStopping[i] * 376 G4double exp125 = expStopping[i] *
379 (material->GetTotNbOfAtoms 377 (material->GetTotNbOfAtomsPerVolume()) /
380 (expCharge[i] * numberOfAt 378 (expCharge[i] * numberOfAtomsPerMolecula[i]) ;
381 SetExpStopPower125(exp125) ; 379 SetExpStopPower125(exp125) ;
382 return true ; 380 return true ;
383 } 381 }
384 } 382 }
385 383
386 return false ; 384 return false ;
387 } 385 }
388 386
389 //....oooOO0OOooo........oooOO0OOooo........oo 387 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
390 388
391 G4double G4hParametrisedLossModel::ChemicalFac 389 G4double G4hParametrisedLossModel::ChemicalFactor(
392 G4double kineticEn 390 G4double kineticEnergy, G4double eloss125) const
393 { 391 {
394 // Approximation of Chemical Factor accordin 392 // Approximation of Chemical Factor according to
395 // J.F.Ziegler and J.M.Manoyan, The stopping 393 // J.F.Ziegler and J.M.Manoyan, The stopping of ions in compaunds,
396 // Nucl. Inst. & Meth. in Phys. Res. B35 (19 394 // Nucl. Inst. & Meth. in Phys. Res. B35 (1988) 215-228.
397 395
398 G4double gamma = 1.0 + kineticEnergy/prot 396 G4double gamma = 1.0 + kineticEnergy/proton_mass_c2 ;
399 G4double gamma25 = 1.0 + 25.0*keV /proton_m 397 G4double gamma25 = 1.0 + 25.0*keV /proton_mass_c2 ;
400 G4double gamma125 = 1.0 + 125.0*keV/proton_m 398 G4double gamma125 = 1.0 + 125.0*keV/proton_mass_c2 ;
401 G4double beta = std::sqrt(1.0 - 1.0/(gam 399 G4double beta = std::sqrt(1.0 - 1.0/(gamma*gamma)) ;
402 G4double beta25 = std::sqrt(1.0 - 1.0/(gam 400 G4double beta25 = std::sqrt(1.0 - 1.0/(gamma25*gamma25)) ;
403 G4double beta125 = std::sqrt(1.0 - 1.0/(gam 401 G4double beta125 = std::sqrt(1.0 - 1.0/(gamma125*gamma125)) ;
404 402
405 G4double factor = 1.0 + (expStopPower125/elo 403 G4double factor = 1.0 + (expStopPower125/eloss125 - 1.0) *
406 (1.0 + G4Exp( 1.48 * ( beta 404 (1.0 + G4Exp( 1.48 * ( beta125/beta25 - 7.0 ) ) ) /
407 (1.0 + G4Exp( 1.48 * ( beta 405 (1.0 + G4Exp( 1.48 * ( beta/beta25 - 7.0 ) ) ) ;
408 406
409 return factor ; 407 return factor ;
410 } 408 }
411 409
412 //....oooOO0OOooo........oooOO0OOooo........oo 410 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
413 411