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25 // 25 //
26 // G4PAIxSection.hh -- header file 26 // G4PAIxSection.hh -- header file
27 // 27 //
28 // GEANT 4 class header file --- Copyright CER 28 // GEANT 4 class header file --- Copyright CERN 1995
29 // CERB Geneva Switzerland 29 // CERB Geneva Switzerland
30 // 30 //
31 // for information related to this code, pleas 31 // for information related to this code, please, contact
32 // CERN, CN Division, ASD Group 32 // CERN, CN Division, ASD Group
33 // 33 //
34 // Preparation of ionizing collision cross sec 34 // Preparation of ionizing collision cross section according to Photo Absorption
35 // Ionization (PAI) model for simulation of io 35 // Ionization (PAI) model for simulation of ionization energy losses in very thin
36 // absorbers. Author: Vladimir.Grichine@cern.c 36 // absorbers. Author: Vladimir.Grichine@cern.ch
37 // 37 //
38 // History: 38 // History:
39 // 39 //
40 // 28.10.11, V. Ivanchenko: Migration of excep 40 // 28.10.11, V. Ivanchenko: Migration of exceptions to the new design
41 // 19.10.03, V. Grichine: Integral dEdx was ad 41 // 19.10.03, V. Grichine: Integral dEdx was added for G4PAIModel class
42 // 13.05.03, V. Grichine: Numerical instabilit 42 // 13.05.03, V. Grichine: Numerical instability was fixed in SumOverInterval/Border
43 // functions 43 // functions
44 // 10.02.02, V. Grichine: New functions and ar 44 // 10.02.02, V. Grichine: New functions and arrays/gets for Cerenkov and
45 // plasmon collisions d 45 // plasmon collisions dN/dx
46 // 27.10.99, V. Grichine: Bug fixed in constru 46 // 27.10.99, V. Grichine: Bug fixed in constructors, 3rd constructor and
47 // GetStepEnergyLoss(st 47 // GetStepEnergyLoss(step) were added, fDelta = 0.005
48 // 30.11.97, V. Grichine: 2nd version 48 // 30.11.97, V. Grichine: 2nd version
49 // 11.06.97, V. Grichine: 1st version 49 // 11.06.97, V. Grichine: 1st version
50 50
51 #ifndef G4PAIXSECTION_HH 51 #ifndef G4PAIXSECTION_HH
52 #define G4PAIXSECTION_HH 52 #define G4PAIXSECTION_HH
53 53
54 #include "G4ios.hh" 54 #include "G4ios.hh"
55 #include "globals.hh" 55 #include "globals.hh"
56 #include "Randomize.hh" 56 #include "Randomize.hh"
57 57
58 #include "G4SandiaTable.hh" << 58 #include"G4SandiaTable.hh"
59 59
60 class G4MaterialCutsCouple; 60 class G4MaterialCutsCouple;
61 class G4Sandiatable; 61 class G4Sandiatable;
62 62
63 63
64 class G4PAIxSection 64 class G4PAIxSection
65 { 65 {
66 public: 66 public:
67 // Constructors 67 // Constructors
68 G4PAIxSection(); 68 G4PAIxSection();
69 G4PAIxSection( G4MaterialCutsCouple* matCC); 69 G4PAIxSection( G4MaterialCutsCouple* matCC);
70 70
71 G4PAIxSection( G4int materialIndex, G4double << 71 G4PAIxSection( G4int materialIndex,
>> 72 G4double maxEnergyTransfer );
72 73
73 G4PAIxSection( G4int materialIndex, 74 G4PAIxSection( G4int materialIndex, // for proton loss table
74 G4double maxEnergyTransfer, 75 G4double maxEnergyTransfer,
75 G4double betaGammaSq , 76 G4double betaGammaSq ,
76 G4double** photoAbsCo 77 G4double** photoAbsCof, G4int intNumber );
77 78
78 G4PAIxSection( G4int materialIndex, 79 G4PAIxSection( G4int materialIndex, // test constructor
79 G4double maxEnergyTransfer, 80 G4double maxEnergyTransfer,
80 G4double betaGammaSq ); 81 G4double betaGammaSq );
81 82
82 ~G4PAIxSection(); 83 ~G4PAIxSection();
83 84
84 void Initialize(const G4Material* material, 85 void Initialize(const G4Material* material, G4double maxEnergyTransfer,
85 G4double betaGammaSq, G4SandiaTable*); 86 G4double betaGammaSq, G4SandiaTable*);
86 87
87 // General control functions 88 // General control functions
88 89
89 void ComputeLowEnergyCof(const G4Materia 90 void ComputeLowEnergyCof(const G4Material* material);
90 void ComputeLowEnergyCof(); 91 void ComputeLowEnergyCof();
91 92
92 void InitPAI(); 93 void InitPAI();
93 94
94 void NormShift( G4double betaGammaSq ); 95 void NormShift( G4double betaGammaSq );
95 96
96 void SplainPAI( G4double betaGammaSq ); 97 void SplainPAI( G4double betaGammaSq );
97 98
98 // Physical methods 99 // Physical methods
99 100
100 G4double RutherfordIntegral( G4int intervalN 101 G4double RutherfordIntegral( G4int intervalNumber,
101 G4double limitLow, 102 G4double limitLow,
102 G4double limitHigh ); << 103 G4double limitHigh );
103 104
104 G4double ImPartDielectricConst( G4int interv 105 G4double ImPartDielectricConst( G4int intervalNumber,
105 G4double energy ); << 106 G4double energy );
106 107
107 G4double GetPhotonRange( G4double energy ); 108 G4double GetPhotonRange( G4double energy );
108 G4double GetElectronRange( G4double energy ) 109 G4double GetElectronRange( G4double energy );
109 110
110 G4double RePartDielectricConst(G4double ener 111 G4double RePartDielectricConst(G4double energy);
111 112
112 G4double DifPAIxSection( G4int intervalNumbe 113 G4double DifPAIxSection( G4int intervalNumber,
113 G4double betaGammaSq ); << 114 G4double betaGammaSq );
114 115
115 G4double PAIdNdxCerenkov( G4int intervalNumb 116 G4double PAIdNdxCerenkov( G4int intervalNumber,
116 G4double betaGammaSq ); << 117 G4double betaGammaSq );
117 G4double PAIdNdxMM( G4int intervalNumber, 118 G4double PAIdNdxMM( G4int intervalNumber,
118 G4double betaGammaSq ); << 119 G4double betaGammaSq );
119 120
120 G4double PAIdNdxPlasmon( G4int intervalNumbe 121 G4double PAIdNdxPlasmon( G4int intervalNumber,
121 G4double betaGammaSq ); << 122 G4double betaGammaSq );
122 123
123 G4double PAIdNdxResonance( G4int intervalNum 124 G4double PAIdNdxResonance( G4int intervalNumber,
124 G4double betaGammaSq ); << 125 G4double betaGammaSq );
125 126
126 127
127 void IntegralPAIxSection(); 128 void IntegralPAIxSection();
128 void IntegralCerenkov(); 129 void IntegralCerenkov();
129 void IntegralMM(); 130 void IntegralMM();
130 void IntegralPlasmon(); 131 void IntegralPlasmon();
131 void IntegralResonance(); 132 void IntegralResonance();
132 133
133 G4double SumOverInterval(G4int intervalNumbe 134 G4double SumOverInterval(G4int intervalNumber);
134 G4double SumOverIntervaldEdx(G4int intervalN 135 G4double SumOverIntervaldEdx(G4int intervalNumber);
135 G4double SumOverInterCerenkov(G4int interval 136 G4double SumOverInterCerenkov(G4int intervalNumber);
136 G4double SumOverInterMM(G4int intervalNumber 137 G4double SumOverInterMM(G4int intervalNumber);
137 G4double SumOverInterPlasmon(G4int intervalN 138 G4double SumOverInterPlasmon(G4int intervalNumber);
138 G4double SumOverInterResonance(G4int interva 139 G4double SumOverInterResonance(G4int intervalNumber);
139 140
140 G4double SumOverBorder( G4int intervalNumber 141 G4double SumOverBorder( G4int intervalNumber,
141 G4double energy ); 142 G4double energy );
142 G4double SumOverBorderdEdx( G4int intervalNu 143 G4double SumOverBorderdEdx( G4int intervalNumber,
143 G4double energy ); 144 G4double energy );
144 G4double SumOverBordCerenkov( G4int interval 145 G4double SumOverBordCerenkov( G4int intervalNumber,
145 G4double energy ); 146 G4double energy );
146 G4double SumOverBordMM( G4int intervalNumber 147 G4double SumOverBordMM( G4int intervalNumber,
147 G4double energy ); 148 G4double energy );
148 G4double SumOverBordPlasmon( G4int intervalN 149 G4double SumOverBordPlasmon( G4int intervalNumber,
149 G4double energy ); 150 G4double energy );
150 G4double SumOverBordResonance( G4int interva 151 G4double SumOverBordResonance( G4int intervalNumber,
151 G4double energy ); 152 G4double energy );
152 153
153 G4double GetStepEnergyLoss( G4double step ); 154 G4double GetStepEnergyLoss( G4double step );
154 G4double GetStepCerenkovLoss( G4double step 155 G4double GetStepCerenkovLoss( G4double step );
155 G4double GetStepMMLoss( G4double step ); 156 G4double GetStepMMLoss( G4double step );
156 G4double GetStepPlasmonLoss( G4double step ) 157 G4double GetStepPlasmonLoss( G4double step );
157 G4double GetStepResonanceLoss( G4double step 158 G4double GetStepResonanceLoss( G4double step );
158 159
159 G4double GetEnergyTransfer(); 160 G4double GetEnergyTransfer();
160 G4double GetCerenkovEnergyTransfer(); 161 G4double GetCerenkovEnergyTransfer();
161 G4double GetMMEnergyTransfer(); 162 G4double GetMMEnergyTransfer();
162 G4double GetPlasmonEnergyTransfer(); 163 G4double GetPlasmonEnergyTransfer();
163 G4double GetResonanceEnergyTransfer(); 164 G4double GetResonanceEnergyTransfer();
164 G4double GetRutherfordEnergyTransfer(); 165 G4double GetRutherfordEnergyTransfer();
165 166
166 // Inline access functions 167 // Inline access functions
167 168
168 G4int GetNumberOfGammas() const { return fNu 169 G4int GetNumberOfGammas() const { return fNumberOfGammas; }
169 170
170 G4int GetSplineSize() const { return fSpline 171 G4int GetSplineSize() const { return fSplineNumber; }
171 172
172 G4int GetIntervalNumber() const { return fIn 173 G4int GetIntervalNumber() const { return fIntervalNumber; }
173 174
174 G4double GetEnergyInterval(G4int i){ return 175 G4double GetEnergyInterval(G4int i){ return fEnergyInterval[i]; }
175 176
176 G4double GetDifPAIxSection(G4int i){ return 177 G4double GetDifPAIxSection(G4int i){ return fDifPAIxSection[i]; }
177 G4double GetPAIdNdxCerenkov(G4int i){ return 178 G4double GetPAIdNdxCerenkov(G4int i){ return fdNdxCerenkov[i]; }
178 G4double GetPAIdNdxMM(G4int i){ return fdNdx 179 G4double GetPAIdNdxMM(G4int i){ return fdNdxMM[i]; }
179 G4double GetPAIdNdxPlasmon(G4int i){ return 180 G4double GetPAIdNdxPlasmon(G4int i){ return fdNdxPlasmon[i]; }
180 G4double GetPAIdNdxResonance(G4int i){ retur 181 G4double GetPAIdNdxResonance(G4int i){ return fdNdxResonance[i]; }
181 182
182 G4double GetMeanEnergyLoss() const {return f 183 G4double GetMeanEnergyLoss() const {return fIntegralPAIxSection[0]; }
183 G4double GetMeanCerenkovLoss() const {return 184 G4double GetMeanCerenkovLoss() const {return fIntegralCerenkov[0]; }
184 G4double GetMeanMMLoss() const {return fInte 185 G4double GetMeanMMLoss() const {return fIntegralMM[0]; }
185 G4double GetMeanPlasmonLoss() const {return 186 G4double GetMeanPlasmonLoss() const {return fIntegralPlasmon[0]; }
186 G4double GetMeanResonanceLoss() const {retur 187 G4double GetMeanResonanceLoss() const {return fIntegralResonance[0]; }
187 188
188 G4double GetNormalizationCof() const { retur 189 G4double GetNormalizationCof() const { return fNormalizationCof; }
189 190
190 G4double GetLowEnergyCof() const { return fL 191 G4double GetLowEnergyCof() const { return fLowEnergyCof; }
191 192
192 G4double GetLorentzFactor(G4int i) const; 193 G4double GetLorentzFactor(G4int i) const;
193 194
194 inline void SetVerbose(G4int v) { fVerbose=v 195 inline void SetVerbose(G4int v) { fVerbose=v; };
195 196
196 197
197 inline G4double GetPAItable(G4int i,G4int j) 198 inline G4double GetPAItable(G4int i,G4int j) const;
198 199
199 inline G4double GetSplineEnergy(G4int i) con 200 inline G4double GetSplineEnergy(G4int i) const;
200 201
201 inline G4double GetIntegralPAIxSection(G4int 202 inline G4double GetIntegralPAIxSection(G4int i) const;
202 inline G4double GetIntegralPAIdEdx(G4int i) 203 inline G4double GetIntegralPAIdEdx(G4int i) const;
203 inline G4double GetIntegralCerenkov(G4int i) 204 inline G4double GetIntegralCerenkov(G4int i) const;
204 inline G4double GetIntegralMM(G4int i) const 205 inline G4double GetIntegralMM(G4int i) const;
205 inline G4double GetIntegralPlasmon(G4int i) 206 inline G4double GetIntegralPlasmon(G4int i) const;
206 inline G4double GetIntegralResonance(G4int i 207 inline G4double GetIntegralResonance(G4int i) const;
207 208
208 G4PAIxSection & operator=(const G4PAIxSectio 209 G4PAIxSection & operator=(const G4PAIxSection &right) = delete;
209 G4PAIxSection(const G4PAIxSection&) = delete 210 G4PAIxSection(const G4PAIxSection&) = delete;
210 211
211 private : 212 private :
212 213
213 void CallError(G4int i, const G4String& meth 214 void CallError(G4int i, const G4String& methodName) const;
214 215
215 // Local class constants 216 // Local class constants
216 217
217 static const G4double fDelta; // energy shif 218 static const G4double fDelta; // energy shift from interval border = 0.001
218 static const G4double fError; // error in li 219 static const G4double fError; // error in lin-log approximation = 0.005
219 220
220 static G4int fNumberOfGammas; // = 111; << 221 static G4int fNumberOfGammas; // = 111;
221 static const G4double fLorentzFactor[112]; / << 222 static const G4double fLorentzFactor[112]; // static gamma array
222 223
223 static 224 static
224 const G4int fRefGammaNumber; // The number o << 225 const G4int fRefGammaNumber; //The number of gamma for creation of spline (15)
225 226
226 G4int fIntervalNumber ; // The number o << 227 G4int fIntervalNumber ; // The number of energy intervals
227 G4double fNormalizationCof; // Normalizatio << 228 G4double fNormalizationCof; // Normalization cof for PhotoAbsorptionXsection
228 229
229 G4int fMaterialIndex; // current materi << 230 // G4double fBetaGammaSq; // (beta*gamma)^2
230 G4double fDensity; // Current densit << 231
231 G4double fElectronDensity; // Current electr << 232 G4int fMaterialIndex; // current material index
>> 233 G4double fDensity; // Current density
>> 234 G4double fElectronDensity; // Current electron (number) density
232 G4double fLowEnergyCof; // Correction cof 235 G4double fLowEnergyCof; // Correction cof for low energy region
233 G4int fSplineNumber; // Current size o << 236 G4int fSplineNumber; // Current size of spline
234 G4int fVerbose; // verbose flag << 237 G4int fVerbose; // verbose flag
235 238
236 // Arrays of Sandia coefficients 239 // Arrays of Sandia coefficients
237 240
238 G4OrderedTable* fMatSandiaMatrix; 241 G4OrderedTable* fMatSandiaMatrix;
239 242
240 G4SandiaTable* fSandia; 243 G4SandiaTable* fSandia;
241 244
242 G4DataVector fEnergyInterval; 245 G4DataVector fEnergyInterval;
243 G4DataVector fA1; 246 G4DataVector fA1;
244 G4DataVector fA2; 247 G4DataVector fA2;
245 G4DataVector fA3; 248 G4DataVector fA3;
246 G4DataVector fA4; 249 G4DataVector fA4;
247 250
248 static 251 static
249 const G4int fMaxSplineSize ; // Max size of 252 const G4int fMaxSplineSize ; // Max size of output splain arrays = 500
250 253
251 G4DataVector fSplineEnergy; // << 254 G4DataVector fSplineEnergy; // energy points of splain
252 G4DataVector fRePartDielectricConst; // 255 G4DataVector fRePartDielectricConst; // Real part of dielectric const
253 G4DataVector fImPartDielectricConst; // 256 G4DataVector fImPartDielectricConst; // Imaginary part of dielectric const
254 G4DataVector fIntegralTerm; // 257 G4DataVector fIntegralTerm; // Integral term in PAI cross section
255 G4DataVector fDifPAIxSection; // 258 G4DataVector fDifPAIxSection; // Differential PAI cross section
256 G4DataVector fdNdxCerenkov; // 259 G4DataVector fdNdxCerenkov; // dNdx of Cerenkov collisions
257 G4DataVector fdNdxPlasmon; // 260 G4DataVector fdNdxPlasmon; // dNdx of Plasmon collisions
258 G4DataVector fdNdxMM; // << 261 G4DataVector fdNdxMM; // dNdx of MM-Cerenkov collisions
259 G4DataVector fdNdxResonance; // << 262 G4DataVector fdNdxResonance; // dNdx of Resonance collisions
260 263
261 G4DataVector fIntegralPAIxSection; // 264 G4DataVector fIntegralPAIxSection; // Integral PAI cross section ?
262 G4DataVector fIntegralPAIdEdx; // 265 G4DataVector fIntegralPAIdEdx; // Integral PAI dEdx ?
263 G4DataVector fIntegralCerenkov; // 266 G4DataVector fIntegralCerenkov; // Integral Cerenkov N>omega ?
264 G4DataVector fIntegralPlasmon; // 267 G4DataVector fIntegralPlasmon; // Integral Plasmon N>omega ?
265 G4DataVector fIntegralMM; // << 268 G4DataVector fIntegralMM; // Integral MM N>omega ?
266 G4DataVector fIntegralResonance; // << 269 G4DataVector fIntegralResonance; // Integral resonance N>omega ?
267 270
268 G4double fPAItable[500][112]; // Output arra 271 G4double fPAItable[500][112]; // Output array
269 272
270 }; 273 };
271 274
272 //////////////// Inline methods ///////////// 275 //////////////// Inline methods //////////////////////////////////
273 // 276 //
274 277
275 inline G4double G4PAIxSection::GetPAItable(G4i 278 inline G4double G4PAIxSection::GetPAItable(G4int i, G4int j) const
276 { 279 {
277 return fPAItable[i][j]; 280 return fPAItable[i][j];
278 } 281 }
279 282
280 inline G4double G4PAIxSection::GetSplineEnergy 283 inline G4double G4PAIxSection::GetSplineEnergy(G4int i) const
281 { 284 {
282 if(i < 1 || i > fSplineNumber) { CallError(i 285 if(i < 1 || i > fSplineNumber) { CallError(i, "GetSplineEnergy"); }
283 return fSplineEnergy[i]; 286 return fSplineEnergy[i];
284 } 287 }
285 288
286 inline G4double G4PAIxSection::GetIntegralPAIx 289 inline G4double G4PAIxSection::GetIntegralPAIxSection(G4int i) const
287 { 290 {
288 if(i < 1 || i > fSplineNumber) { CallError(i 291 if(i < 1 || i > fSplineNumber) { CallError(i, "GetIntegralPAIxSection"); }
289 return fIntegralPAIxSection[i]; 292 return fIntegralPAIxSection[i];
290 } 293 }
291 294
292 inline G4double G4PAIxSection::GetIntegralPAId 295 inline G4double G4PAIxSection::GetIntegralPAIdEdx(G4int i) const
293 { 296 {
294 if(i < 1 || i > fSplineNumber) { CallError(i 297 if(i < 1 || i > fSplineNumber) { CallError(i, "GetIntegralPAIdEdx"); }
295 return fIntegralPAIdEdx[i]; 298 return fIntegralPAIdEdx[i];
296 } 299 }
297 300
298 inline G4double G4PAIxSection::GetIntegralCere 301 inline G4double G4PAIxSection::GetIntegralCerenkov(G4int i) const
299 { 302 {
300 if(i < 1 || i > fSplineNumber) { CallError(i 303 if(i < 1 || i > fSplineNumber) { CallError(i, "GetIntegralCerenkov"); }
301 return fIntegralCerenkov[i]; 304 return fIntegralCerenkov[i];
302 } 305 }
303 306
304 inline G4double G4PAIxSection::GetIntegralMM(G 307 inline G4double G4PAIxSection::GetIntegralMM(G4int i) const
305 { 308 {
306 if(i < 1 || i > fSplineNumber) { CallError(i 309 if(i < 1 || i > fSplineNumber) { CallError(i, "GetIntegralMM"); }
307 return fIntegralMM[i]; 310 return fIntegralMM[i];
308 } 311 }
309 312
310 inline G4double G4PAIxSection::GetIntegralPlas 313 inline G4double G4PAIxSection::GetIntegralPlasmon(G4int i) const
311 { 314 {
312 if(i < 1 || i > fSplineNumber) { CallError(i 315 if(i < 1 || i > fSplineNumber) { CallError(i, "GetIntegralPlasmon"); }
313 return fIntegralPlasmon[i]; 316 return fIntegralPlasmon[i];
314 } 317 }
315 318
316 inline G4double G4PAIxSection::GetIntegralReso 319 inline G4double G4PAIxSection::GetIntegralResonance(G4int i) const
317 { 320 {
318 if(i < 1 || i > fSplineNumber) { CallError(i 321 if(i < 1 || i > fSplineNumber) { CallError(i, "GetIntegralResonance"); }
319 return fIntegralResonance[i]; 322 return fIntegralResonance[i];
320 } 323 }
321 324
322 #endif 325 #endif
323 326
324 // ----------------- end of G4PAIxSection he 327 // ----------------- end of G4PAIxSection header file -------------------
325 328