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>> 22 //
>> 23 //
>> 24 // $Id: G4PAIxSection.hh,v 1.7 2002/04/09 17:34:40 vnivanch Exp $
>> 25 // GEANT4 tag $Name: geant4-04-01 $
>> 26 //
25 // 27 //
26 // G4PAIxSection.hh -- header file 28 // G4PAIxSection.hh -- header file
27 // 29 //
28 // GEANT 4 class header file --- Copyright CER 30 // GEANT 4 class header file --- Copyright CERN 1995
29 // CERB Geneva Switzerland 31 // CERB Geneva Switzerland
30 // 32 //
31 // for information related to this code, pleas 33 // for information related to this code, please, contact
32 // CERN, CN Division, ASD Group 34 // CERN, CN Division, ASD Group
33 // 35 //
34 // Preparation of ionizing collision cross sec 36 // Preparation of ionizing collision cross section according to Photo Absorption
35 // Ionization (PAI) model for simulation of io 37 // Ionization (PAI) model for simulation of ionization energy losses in very thin
36 // absorbers. Author: Vladimir.Grichine@cern.c << 38 // absorbers
37 // 39 //
38 // History: 40 // History:
39 // << 41 // 1st version 11.06.97, V. Grichine
40 // 28.10.11, V. Ivanchenko: Migration of excep << 42 // 2nd version 30.11.97, V. Grichine
41 // 19.10.03, V. Grichine: Integral dEdx was ad << 43 // 27.10.99, V.Grichine: Bug fixed in constructors, 3rd constructor and
42 // 13.05.03, V. Grichine: Numerical instabilit << 44 // GetStepEnergyLoss(step) were added, fDelta = 0.005
43 // functions << 45 // 10.02.02, V.Grichine: New functions and arrays/gets for Cerenkov and
44 // 10.02.02, V. Grichine: New functions and ar << 46 // plasmon collisions dN/dx
45 // plasmon collisions d <<
46 // 27.10.99, V. Grichine: Bug fixed in constru <<
47 // GetStepEnergyLoss(st <<
48 // 30.11.97, V. Grichine: 2nd version <<
49 // 11.06.97, V. Grichine: 1st version <<
50 47
51 #ifndef G4PAIXSECTION_HH 48 #ifndef G4PAIXSECTION_HH
52 #define G4PAIXSECTION_HH 49 #define G4PAIXSECTION_HH
53 50
54 #include "G4ios.hh" 51 #include "G4ios.hh"
55 #include "globals.hh" 52 #include "globals.hh"
56 #include "Randomize.hh" 53 #include "Randomize.hh"
57 54
58 #include "G4SandiaTable.hh" << 55 #include"G4SandiaTable.hh"
59 <<
60 class G4MaterialCutsCouple; <<
61 class G4Sandiatable; <<
62 <<
63 56
64 class G4PAIxSection 57 class G4PAIxSection
65 { 58 {
66 public: 59 public:
67 // Constructors 60 // Constructors
68 G4PAIxSection(); <<
69 G4PAIxSection( G4MaterialCutsCouple* matCC); <<
70 61
71 G4PAIxSection( G4int materialIndex, G4double << 62 G4PAIxSection( G4int materialIndex,
>> 63 G4double maxEnergyTransfer ) ;
72 64
73 G4PAIxSection( G4int materialIndex, << 65 G4PAIxSection( G4int materialIndex, // for proton loss table
74 G4double maxEnergyTransfer, 66 G4double maxEnergyTransfer,
75 G4double betaGammaSq , 67 G4double betaGammaSq ,
76 G4double** photoAbsCo << 68 G4double** photoAbsCof, G4int intNumber ) ;
77 69
78 G4PAIxSection( G4int materialIndex, << 70 G4PAIxSection( G4int materialIndex, // test constructor
79 G4double maxEnergyTransfer, 71 G4double maxEnergyTransfer,
80 G4double betaGammaSq ); << 72 G4double betaGammaSq ) ;
81 73
82 ~G4PAIxSection(); << 74 // G4PAIxSection(const G4PAIxSection& right) ;
83 <<
84 void Initialize(const G4Material* material, <<
85 G4double betaGammaSq, G4SandiaTable*); <<
86 75
87 // General control functions << 76 // Destructor
88 << 77
89 void ComputeLowEnergyCof(const G4Materia << 78 ~G4PAIxSection() ;
90 void ComputeLowEnergyCof(); << 79
>> 80 // Operators
>> 81 // G4PAIxSection& operator=(const G4PAIxSection& right) ;
>> 82 // G4int operator==(const G4PAIxSection& right)const ;
>> 83 // G4int operator!=(const G4PAIxSection& right)const ;
>> 84
>> 85 // Methods
>> 86
>> 87 // General control functions
91 88
92 void InitPAI(); << 89 void InitPAI() ;
93 90
94 void NormShift( G4double betaGammaSq ); << 91 void NormShift( G4double betaGammaSq ) ;
95 92
96 void SplainPAI( G4double betaGammaSq ); << 93 void SplainPAI( G4double betaGammaSq ) ;
97 94
98 // Physical methods << 95 // Physical methods
99 96
100 G4double RutherfordIntegral( G4int intervalN << 97
101 G4double limitLow, << 98 G4double RutherfordIntegral( G4int intervalNumber,
102 G4double limitHigh ); << 99 G4double limitLow,
103 << 100 G4double limitHigh ) ;
104 G4double ImPartDielectricConst( G4int interv << 101
105 G4double energy ); << 102 G4double ImPartDielectricConst( G4int intervalNumber,
106 << 103 G4double energy ) ;
107 G4double GetPhotonRange( G4double energy ); << 104
108 G4double GetElectronRange( G4double energy ) << 105 G4double RePartDielectricConst(G4double energy) ;
109 << 106
110 G4double RePartDielectricConst(G4double ener << 107 G4double DifPAIxSection( G4int intervalNumber,
111 << 108 G4double betaGammaSq ) ;
112 G4double DifPAIxSection( G4int intervalNumbe << 109
113 G4double betaGammaSq ); << 110 G4double PAIdNdxCerenkov( G4int intervalNumber,
114 << 111 G4double betaGammaSq ) ;
115 G4double PAIdNdxCerenkov( G4int intervalNumb << 112
116 G4double betaGammaSq ); << 113 G4double PAIdNdxPlasmon( G4int intervalNumber,
117 G4double PAIdNdxMM( G4int intervalNumber, << 114 G4double betaGammaSq ) ;
118 G4double betaGammaSq ); << 115
119 << 116 void IntegralPAIxSection() ;
120 G4double PAIdNdxPlasmon( G4int intervalNumbe << 117 void IntegralCerenkov() ;
121 G4double betaGammaSq ); << 118 void IntegralPlasmon() ;
122 << 119
123 G4double PAIdNdxResonance( G4int intervalNum << 120 G4double SumOverInterval(G4int intervalNumber) ;
124 G4double betaGammaSq ); << 121 G4double SumOverInterCerenkov(G4int intervalNumber) ;
125 << 122 G4double SumOverInterPlasmon(G4int intervalNumber) ;
126 << 123
127 void IntegralPAIxSection(); << 124 G4double SumOverBorder( G4int intervalNumber,
128 void IntegralCerenkov(); << 125 G4double energy ) ;
129 void IntegralMM(); << 126 G4double SumOverBordCerenkov( G4int intervalNumber,
130 void IntegralPlasmon(); << 127 G4double energy ) ;
131 void IntegralResonance(); << 128 G4double SumOverBordPlasmon( G4int intervalNumber,
132 << 129 G4double energy ) ;
133 G4double SumOverInterval(G4int intervalNumbe << 130
134 G4double SumOverIntervaldEdx(G4int intervalN << 131 G4double GetStepEnergyLoss( G4double step ) ;
135 G4double SumOverInterCerenkov(G4int interval << 132 G4double GetStepCerenkovLoss( G4double step ) ;
136 G4double SumOverInterMM(G4int intervalNumber << 133 G4double GetStepPlasmonLoss( G4double step ) ;
137 G4double SumOverInterPlasmon(G4int intervalN <<
138 G4double SumOverInterResonance(G4int interva <<
139 <<
140 G4double SumOverBorder( G4int intervalNumber <<
141 G4double energy ); <<
142 G4double SumOverBorderdEdx( G4int intervalNu <<
143 G4double energy ); <<
144 G4double SumOverBordCerenkov( G4int interval <<
145 G4double energy ); <<
146 G4double SumOverBordMM( G4int intervalNumber <<
147 G4double energy ); <<
148 G4double SumOverBordPlasmon( G4int intervalN <<
149 G4double energy ); <<
150 G4double SumOverBordResonance( G4int interva <<
151 G4double energy ); <<
152 <<
153 G4double GetStepEnergyLoss( G4double step ); <<
154 G4double GetStepCerenkovLoss( G4double step <<
155 G4double GetStepMMLoss( G4double step ); <<
156 G4double GetStepPlasmonLoss( G4double step ) <<
157 G4double GetStepResonanceLoss( G4double step <<
158 <<
159 G4double GetEnergyTransfer(); <<
160 G4double GetCerenkovEnergyTransfer(); <<
161 G4double GetMMEnergyTransfer(); <<
162 G4double GetPlasmonEnergyTransfer(); <<
163 G4double GetResonanceEnergyTransfer(); <<
164 G4double GetRutherfordEnergyTransfer(); <<
165 134
166 // Inline access functions << 135 // Inline access functions
167 136
168 G4int GetNumberOfGammas() const { return fNu << 137 G4int GetNumberOfGammas() const { return fNumberOfGammas ; }
169 138
170 G4int GetSplineSize() const { return fSpline << 139 G4int GetSplineSize() const { return fSplineNumber ; }
171 140
172 G4int GetIntervalNumber() const { return fIn << 141 G4int GetIntervalNumber() const { return fIntervalNumber ; }
173 142
174 G4double GetEnergyInterval(G4int i){ return << 143 G4double GetEnergyInterval(G4int i){ return fEnergyInterval[i] ; }
175 144
176 G4double GetDifPAIxSection(G4int i){ return << 145 G4double GetDifPAIxSection(G4int i){ return fDifPAIxSection[i] ; }
177 G4double GetPAIdNdxCerenkov(G4int i){ return << 146 G4double GetPAIdNdxCrenkov(G4int i){ return fdNdxCerenkov[i] ; }
178 G4double GetPAIdNdxMM(G4int i){ return fdNdx << 147 G4double GetPAIdNdxPlasmon(G4int i){ return fdNdxPlasmon[i] ; }
179 G4double GetPAIdNdxPlasmon(G4int i){ return <<
180 G4double GetPAIdNdxResonance(G4int i){ retur <<
181 148
182 G4double GetMeanEnergyLoss() const {return f << 149 G4double GetMeanEnergyLoss() const {return fIntegralPAIxSection[0] ; }
183 G4double GetMeanCerenkovLoss() const {return << 150 G4double GetMeanCerenkovLoss() const {return fIntegralCerenkov[0] ; }
184 G4double GetMeanMMLoss() const {return fInte << 151 G4double GetMeanPlasmonLoss() const {return fIntegralPlasmon[0] ; }
185 G4double GetMeanPlasmonLoss() const {return <<
186 G4double GetMeanResonanceLoss() const {retur <<
187 <<
188 G4double GetNormalizationCof() const { retur <<
189 <<
190 G4double GetLowEnergyCof() const { return fL <<
191 152
192 G4double GetLorentzFactor(G4int i) const; << 153 G4double GetNormalizationCof() const { return fNormalizationCof ; }
>> 154
>> 155 inline G4double GetPAItable(G4int i,G4int j) const ;
193 156
194 inline void SetVerbose(G4int v) { fVerbose=v << 157 inline G4double GetLorentzFactor(G4int i) const ;
195 << 158
196 << 159 inline G4double GetSplineEnergy(G4int i) const ;
197 inline G4double GetPAItable(G4int i,G4int j) <<
198 <<
199 inline G4double GetSplineEnergy(G4int i) con <<
200 160
201 inline G4double GetIntegralPAIxSection(G4int << 161 inline G4double GetIntegralPAIxSection(G4int i) const ;
202 inline G4double GetIntegralPAIdEdx(G4int i) << 162 inline G4double GetIntegralCerenkov(G4int i) const ;
203 inline G4double GetIntegralCerenkov(G4int i) << 163 inline G4double GetIntegralPlasmon(G4int i) const ;
204 inline G4double GetIntegralMM(G4int i) const <<
205 inline G4double GetIntegralPlasmon(G4int i) <<
206 inline G4double GetIntegralResonance(G4int i <<
207 164
208 G4PAIxSection & operator=(const G4PAIxSectio << 165 protected :
209 G4PAIxSection(const G4PAIxSection&) = delete <<
210 166
211 private : 167 private :
212 168
213 void CallError(G4int i, const G4String& meth << 169 // Local class constants
214 <<
215 // Local class constants <<
216 170
217 static const G4double fDelta; // energy shif << 171 static const G4double fDelta ; // energy shift from interval border = 0.001
218 static const G4double fError; // error in li << 172 static const G4double fError ; // error in lin-log approximation = 0.005
219 173
220 static G4int fNumberOfGammas; // = 111; << 174 static G4int fNumberOfGammas ; // = 111 ;
221 static const G4double fLorentzFactor[112]; / << 175 static const G4double fLorentzFactor[112] ; // static gamma array
222 176
223 static << 177 static
224 const G4int fRefGammaNumber; // The number o << 178 const G4int fRefGammaNumber ; // The number of gamma for creation of spline (15)
225 179
226 G4int fIntervalNumber ; // The number o << 180 G4int fIntervalNumber ; // The number of energy intervals
227 G4double fNormalizationCof; // Normalizatio << 181 G4double fNormalizationCof ; // Normalization cof for PhotoAbsorptionXsection
228 << 182 // G4double fBetaGammaSq ; // (beta*gamma)^2
229 G4int fMaterialIndex; // current materi << 183
230 G4double fDensity; // Current densit << 184 G4double fDensity ; // Current density
231 G4double fElectronDensity; // Current electr << 185 G4double fElectronDensity ; // Current electron (number) density
232 G4double fLowEnergyCof; // Correction cof << 186 G4int fSplineNumber ; // Current size of spline
233 G4int fSplineNumber; // Current size o << 187
234 G4int fVerbose; // verbose flag << 188 // Arrays of Sandia coefficients
235 << 189
236 // Arrays of Sandia coefficients << 190 G4double* fEnergyInterval ;
237 << 191 G4double* fA1 ;
238 G4OrderedTable* fMatSandiaMatrix; << 192 G4double* fA2 ;
239 << 193 G4double* fA3 ;
240 G4SandiaTable* fSandia; << 194 G4double* fA4 ;
241 << 195
242 G4DataVector fEnergyInterval; << 196 static
243 G4DataVector fA1; << 197 const G4int fMaxSplineSize ; // Max size of output splain arrays = 500
244 G4DataVector fA2; << 198 /* ******************
245 G4DataVector fA3; << 199 G4double* fSplineEnergy ; // energy points of splain
246 G4DataVector fA4; << 200 G4double* fRePartDielectricConst ; // Real part of dielectric const
247 << 201 G4double* fImPartDielectricConst ; // Imaginary part of dielectric const
248 static << 202 G4double* fIntegralTerm ; // Integral term in PAI cross section
249 const G4int fMaxSplineSize ; // Max size of << 203 G4double* fDifPAIxSection ; // Differential PAI cross section
250 << 204 G4double* fIntegralPAIxSection ; // Integral PAI cross section ?
251 G4DataVector fSplineEnergy; // << 205 */ ///////////////
252 G4DataVector fRePartDielectricConst; // << 206 G4double fSplineEnergy[500] ; // energy points of splain
253 G4DataVector fImPartDielectricConst; // << 207 G4double fRePartDielectricConst[500] ; // Real part of dielectric const
254 G4DataVector fIntegralTerm; // << 208 G4double fImPartDielectricConst[500] ; // Imaginary part of dielectric const
255 G4DataVector fDifPAIxSection; // << 209 G4double fIntegralTerm[500] ; // Integral term in PAI cross section
256 G4DataVector fdNdxCerenkov; // << 210 G4double fDifPAIxSection[500] ; // Differential PAI cross section
257 G4DataVector fdNdxPlasmon; // << 211 G4double fdNdxCerenkov[500] ; // dNdx of Cerenkov collisions
258 G4DataVector fdNdxMM; // << 212 G4double fdNdxPlasmon[500] ; // dNdx of Plasmon collisions
259 G4DataVector fdNdxResonance; // << 213
260 << 214 G4double fIntegralPAIxSection[500] ; // Integral PAI cross section ?
261 G4DataVector fIntegralPAIxSection; // << 215 G4double fIntegralCerenkov[500] ; // Integral Cerenkov N>omega ?
262 G4DataVector fIntegralPAIdEdx; // << 216 G4double fIntegralPlasmon[500] ; // Integral Plasmon N>omega ?
263 G4DataVector fIntegralCerenkov; // <<
264 G4DataVector fIntegralPlasmon; // <<
265 G4DataVector fIntegralMM; // <<
266 G4DataVector fIntegralResonance; // <<
267 217
268 G4double fPAItable[500][112]; // Output arra << 218 G4double fPAItable[500][112] ; // Output array
269 219
270 }; << 220 } ;
271 221
272 //////////////// Inline methods ///////////// 222 //////////////// Inline methods //////////////////////////////////
273 // 223 //
274 224
>> 225
275 inline G4double G4PAIxSection::GetPAItable(G4i 226 inline G4double G4PAIxSection::GetPAItable(G4int i, G4int j) const
276 { 227 {
277 return fPAItable[i][j]; << 228 return fPAItable[i][j] ;
>> 229 }
>> 230
>> 231 inline G4double G4PAIxSection::GetLorentzFactor(G4int j) const
>> 232 {
>> 233 return fLorentzFactor[j] ;
278 } 234 }
279 235
280 inline G4double G4PAIxSection::GetSplineEnergy 236 inline G4double G4PAIxSection::GetSplineEnergy(G4int i) const
281 { 237 {
282 if(i < 1 || i > fSplineNumber) { CallError(i << 238 if(i < 1 || i > fSplineNumber)
283 return fSplineEnergy[i]; << 239 {
>> 240 G4Exception("Invalid argument in G4PAIxSection::GetSplineEnergy");
>> 241 }
>> 242 return fSplineEnergy[i] ;
284 } 243 }
285 244
286 inline G4double G4PAIxSection::GetIntegralPAIx 245 inline G4double G4PAIxSection::GetIntegralPAIxSection(G4int i) const
287 { 246 {
288 if(i < 1 || i > fSplineNumber) { CallError(i << 247 if(i < 1 || i > fSplineNumber)
289 return fIntegralPAIxSection[i]; << 248 {
290 } << 249 G4Exception("Invalid argument in G4PAIxSection::GetIntegralPAIxSection");
291 << 250 }
292 inline G4double G4PAIxSection::GetIntegralPAId << 251 return fIntegralPAIxSection[i] ;
293 { <<
294 if(i < 1 || i > fSplineNumber) { CallError(i <<
295 return fIntegralPAIdEdx[i]; <<
296 } 252 }
297 253
298 inline G4double G4PAIxSection::GetIntegralCere 254 inline G4double G4PAIxSection::GetIntegralCerenkov(G4int i) const
299 { 255 {
300 if(i < 1 || i > fSplineNumber) { CallError(i << 256 if(i < 1 || i > fSplineNumber)
301 return fIntegralCerenkov[i]; << 257 {
302 } << 258 G4Exception("Invalid argument in G4PAIxSection::GetIntegralCerenkov");
303 << 259 }
304 inline G4double G4PAIxSection::GetIntegralMM(G << 260 return fIntegralCerenkov[i] ;
305 { <<
306 if(i < 1 || i > fSplineNumber) { CallError(i <<
307 return fIntegralMM[i]; <<
308 } 261 }
309 262
310 inline G4double G4PAIxSection::GetIntegralPlas 263 inline G4double G4PAIxSection::GetIntegralPlasmon(G4int i) const
311 { 264 {
312 if(i < 1 || i > fSplineNumber) { CallError(i << 265 if(i < 1 || i > fSplineNumber)
313 return fIntegralPlasmon[i]; << 266 {
314 } << 267 G4Exception("Invalid argument in G4PAIxSection::GetIntegralPlasmon");
315 << 268 }
316 inline G4double G4PAIxSection::GetIntegralReso << 269 return fIntegralPlasmon[i] ;
317 { <<
318 if(i < 1 || i > fSplineNumber) { CallError(i <<
319 return fIntegralResonance[i]; <<
320 } 270 }
321 271
322 #endif 272 #endif
323 273
324 // ----------------- end of G4PAIxSection he 274 // ----------------- end of G4PAIxSection header file -------------------
325 275