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25 // 25 //
>> 26 // $Id$
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class header file 30 // GEANT4 Class header file
30 // 31 //
31 // 32 //
32 // File name: G4EmCorrections 33 // File name: G4EmCorrections
33 // 34 //
34 // Author: Vladimir Ivanchenko 35 // Author: Vladimir Ivanchenko
35 // 36 //
36 // Creation date: 13.01.2005 37 // Creation date: 13.01.2005
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 28.04.2006 General cleanup, add finite size 40 // 28.04.2006 General cleanup, add finite size corrections (V.Ivanchenko)
40 // 13.05.2006 Add corrections for ion stopping 41 // 13.05.2006 Add corrections for ion stopping (V.Ivanhcenko)
41 // 20.05.2008 Removed Finite Size correction ( 42 // 20.05.2008 Removed Finite Size correction (V.Ivanchenko)
42 // 12.09.2008 Added inlined interfaces to effe 43 // 12.09.2008 Added inlined interfaces to effective charge (V.Ivanchenko)
43 // 19.04.2012 Fix reproducibility problem (A.R 44 // 19.04.2012 Fix reproducibility problem (A.Ribon)
44 // 45 //
45 // Class Description: 46 // Class Description:
46 // 47 //
47 // This class provides calculation of EM corre 48 // This class provides calculation of EM corrections to ionisation
48 // 49 //
49 50
50 // ------------------------------------------- 51 // -------------------------------------------------------------------
51 // 52 //
52 53
53 #ifndef G4EmCorrections_h 54 #ifndef G4EmCorrections_h
54 #define G4EmCorrections_h 1 55 #define G4EmCorrections_h 1
55 56
>> 57 #include <CLHEP/Units/PhysicalConstants.h>
>> 58
56 #include "globals.hh" 59 #include "globals.hh"
57 #include "G4ionEffectiveCharge.hh" 60 #include "G4ionEffectiveCharge.hh"
58 #include "G4Material.hh" 61 #include "G4Material.hh"
59 #include "G4ParticleDefinition.hh" 62 #include "G4ParticleDefinition.hh"
60 63
61 class G4VEmModel; 64 class G4VEmModel;
62 class G4PhysicsVector; 65 class G4PhysicsVector;
63 class G4IonTable; 66 class G4IonTable;
64 class G4MaterialCutsCouple; 67 class G4MaterialCutsCouple;
65 class G4PhysicsFreeVector; << 68 class G4LPhysicsFreeVector;
66 class G4Pow; 69 class G4Pow;
67 70
68 class G4EmCorrections 71 class G4EmCorrections
69 { 72 {
70 73
71 public: 74 public:
72 75
73 explicit G4EmCorrections(G4int verb); 76 explicit G4EmCorrections(G4int verb);
74 77
75 ~G4EmCorrections(); << 78 virtual ~G4EmCorrections();
76 79
77 G4double HighOrderCorrections(const G4Partic 80 G4double HighOrderCorrections(const G4ParticleDefinition*,
78 const G4Materi 81 const G4Material*,
79 const G4double << 82 G4double kineticEnergy,
80 const G4double << 83 G4double cutEnergy);
81 84
82 G4double IonHighOrderCorrections(const G4Par 85 G4double IonHighOrderCorrections(const G4ParticleDefinition*,
83 const G4Mat 86 const G4MaterialCutsCouple*,
84 const G4dou << 87 G4double kineticEnergy);
85 88
86 G4double ComputeIonCorrections(const G4Parti 89 G4double ComputeIonCorrections(const G4ParticleDefinition*,
87 const G4Mater 90 const G4Material*,
88 const G4doubl << 91 G4double kineticEnergy);
89 92
90 G4double IonBarkasCorrection(const G4Particl 93 G4double IonBarkasCorrection(const G4ParticleDefinition*,
91 const G4Materia 94 const G4Material*,
92 const G4double << 95 G4double kineticEnergy);
93 96
94 G4double Bethe(const G4ParticleDefinition*, 97 G4double Bethe(const G4ParticleDefinition*,
95 const G4Material*, 98 const G4Material*,
96 const G4double kineticEnergy) << 99 G4double kineticEnergy);
97 100
98 G4double SpinCorrection(const G4ParticleDefi 101 G4double SpinCorrection(const G4ParticleDefinition*,
99 const G4Material*, 102 const G4Material*,
100 const G4double kinet << 103 G4double kineticEnergy);
101 104
102 G4double KShellCorrection(const G4ParticleDe 105 G4double KShellCorrection(const G4ParticleDefinition*,
103 const G4Material*, 106 const G4Material*,
104 const G4double kin << 107 G4double kineticEnergy);
105 108
106 G4double LShellCorrection(const G4ParticleDe 109 G4double LShellCorrection(const G4ParticleDefinition*,
107 const G4Material*, 110 const G4Material*,
108 const G4double kin << 111 G4double kineticEnergy);
109 112
110 G4double ShellCorrection(const G4ParticleDef 113 G4double ShellCorrection(const G4ParticleDefinition*,
111 const G4Material*, 114 const G4Material*,
112 const G4double kine << 115 G4double kineticEnergy);
113 116
114 G4double ShellCorrectionSTD(const G4Particle 117 G4double ShellCorrectionSTD(const G4ParticleDefinition*,
115 const G4Material 118 const G4Material*,
116 const G4double k << 119 G4double kineticEnergy);
117 120
118 G4double DensityCorrection(const G4ParticleD 121 G4double DensityCorrection(const G4ParticleDefinition*,
119 const G4Material* 122 const G4Material*,
120 const G4double ki << 123 G4double kineticEnergy);
121 124
122 G4double BarkasCorrection(const G4ParticleDe 125 G4double BarkasCorrection(const G4ParticleDefinition*,
123 const G4Material*, 126 const G4Material*,
124 const G4double kin << 127 G4double kineticEnergy);
125 const G4bool isIni <<
126 128
127 G4double BlochCorrection(const G4ParticleDef 129 G4double BlochCorrection(const G4ParticleDefinition*,
128 const G4Material*, 130 const G4Material*,
129 const G4double kine << 131 G4double kineticEnergy);
130 const G4bool isInit <<
131 132
132 G4double MottCorrection(const G4ParticleDefi 133 G4double MottCorrection(const G4ParticleDefinition*,
133 const G4Material*, 134 const G4Material*,
134 const G4double kinet << 135 G4double kineticEnergy);
135 const G4bool isIniti <<
136 136
137 void AddStoppingData(const G4int Z, const G4 << 137 void AddStoppingData(G4int Z, G4int A, const G4String& materialName,
138 const G4String& materia <<
139 G4PhysicsVector* dVecto 138 G4PhysicsVector* dVector);
140 139
141 void InitialiseForNewRun(); 140 void InitialiseForNewRun();
142 141
143 // effective charge correction using stoppin 142 // effective charge correction using stopping power data
144 G4double EffectiveChargeCorrection(const G4P 143 G4double EffectiveChargeCorrection(const G4ParticleDefinition*,
145 const G4M 144 const G4Material*,
146 const G4d << 145 G4double kineticEnergy);
147 146
148 // effective charge of an ion 147 // effective charge of an ion
149 inline G4double GetParticleCharge(const G4Pa 148 inline G4double GetParticleCharge(const G4ParticleDefinition*,
150 const G4Ma 149 const G4Material*,
151 const G4do << 150 G4double kineticEnergy);
152 151
153 inline 152 inline
154 G4double EffectiveChargeSquareRatio(const G4 153 G4double EffectiveChargeSquareRatio(const G4ParticleDefinition*,
155 const G4 154 const G4Material*,
156 const G4 << 155 G4double kineticEnergy);
157 156
158 // ionisation models for ions 157 // ionisation models for ions
159 inline void SetIonisationModels(G4VEmModel* << 158 inline void SetIonisationModels(G4VEmModel* m1 = nullptr,
160 G4VEmModel* << 159 G4VEmModel* m2 = nullptr);
161 160
162 inline G4int GetNumberOfStoppingVectors() co 161 inline G4int GetNumberOfStoppingVectors() const;
163 162
164 inline void SetVerbose(G4int verb); 163 inline void SetVerbose(G4int verb);
165 164
166 // hide assignment operator <<
167 G4EmCorrections & operator=(const G4EmCorrec <<
168 G4EmCorrections(const G4EmCorrections&) = de <<
169 <<
170 private: 165 private:
171 166
172 void Initialise(); 167 void Initialise();
173 168
174 void BuildCorrectionVector(); 169 void BuildCorrectionVector();
175 170
176 void SetupKinematics(const G4ParticleDefinit 171 void SetupKinematics(const G4ParticleDefinition*,
177 const G4Material*, 172 const G4Material*,
178 const G4double kineticE << 173 G4double kineticEnergy);
179 <<
180 G4double KShell(const G4double theta, const <<
181 <<
182 G4double LShell(const G4double theta, const <<
183 <<
184 G4int Index(const G4double x, const G4double <<
185 <<
186 G4double Value(const G4double xv, const G4do <<
187 const G4double y1, const G4do <<
188 174
189 G4double Value2(const G4double xv, const G4d << 175 G4double KShell(G4double theta, G4double eta);
190 const G4double x1, const G4d <<
191 const G4double y1, const G4d <<
192 const G4double z11, const G4 <<
193 const G4double z12, const G4double z22) <<
194 176
195 G4Pow* g4calc; << 177 G4double LShell(G4double theta, G4double eta);
196 G4IonTable* ionTable; <<
197 178
198 const G4ParticleDefinition* particle = nullp << 179 G4int Index(G4double x, const G4double* y, G4int n) const;
199 const G4ParticleDefinition* curParticle = nu <<
200 const G4Material* material = nullptr; <<
201 const G4Material* curMaterial = nullptr; <<
202 const G4ElementVector* theElementVector = nu <<
203 const G4double* atomDensity = nullptr; <<
204 <<
205 G4PhysicsVector* curVector = nullptr; <<
206 <<
207 G4VEmModel* ionLEModel = nullptr; <<
208 G4VEmModel* ionHEModel = nullptr; <<
209 <<
210 G4double kinEnergy = 0.0; <<
211 G4double mass = 0.0; <<
212 G4double massFactor = 1.0; <<
213 G4double tau = 0.0; <<
214 G4double gamma = 1.0; <<
215 G4double bg2 = 0.0; <<
216 G4double beta2 = 0.0; <<
217 G4double beta = 0.0; <<
218 G4double ba2 = 0.0; <<
219 G4double tmax = 0.0; <<
220 G4double charge = 0.0; <<
221 G4double q2 = 0.0; <<
222 G4double eth; <<
223 G4double eCorrMin; <<
224 G4double eCorrMax; <<
225 <<
226 std::size_t ncouples = 0; <<
227 std::size_t idxBarkas = 0; <<
228 G4int nK = 20; <<
229 G4int nL = 26; <<
230 G4int nEtaK = 29; <<
231 G4int nEtaL = 28; <<
232 G4int nbinCorr = 52; <<
233 G4int numberOfElements = 0; <<
234 180
235 // Ion stopping data << 181 G4double Value(G4double xv, G4double x1, G4double x2,
236 G4int nIons = 0; << 182 G4double y1, G4double y2) const;
237 G4int idx = 0; <<
238 G4int currentZ = 0; <<
239 <<
240 G4int verbose; <<
241 G4bool isInitializer = false; <<
242 <<
243 std::vector<G4int> Zion; <<
244 std::vector<G4int> Aion; <<
245 std::vector<G4String> materialName; <<
246 std::vector<const G4ParticleDefinition*> ion <<
247 183
248 std::map< G4int, std::vector<G4double> > thc << 184 G4double Value2(G4double xv, G4double yv, G4double x1, G4double x2,
>> 185 G4double y1, G4double y2, G4double z11, G4double z21,
>> 186 G4double z12, G4double z22) const;
249 187
250 std::vector<const G4Material*> currmat; << 188 // hide assignment operator
251 std::vector<const G4Material*> materialList; << 189 G4EmCorrections & operator=(const G4EmCorrections &right) = delete;
252 std::vector<G4PhysicsVector*> stopData; << 190 G4EmCorrections(const G4EmCorrections&) = delete;
253 191
254 G4ionEffectiveCharge effCharge; << 192 G4Pow* g4calc;
255 193
>> 194 static const G4double inveplus;
256 static const G4double ZD[11]; 195 static const G4double ZD[11];
257 static const G4double UK[20]; 196 static const G4double UK[20];
258 static const G4double VK[20]; 197 static const G4double VK[20];
259 static G4double ZK[20]; 198 static G4double ZK[20];
260 static const G4double Eta[29]; 199 static const G4double Eta[29];
261 static G4double CK[20][29]; 200 static G4double CK[20][29];
262 static G4double CL[26][28]; 201 static G4double CL[26][28];
263 static const G4double UL[26]; 202 static const G4double UL[26];
264 static G4double VL[26]; 203 static G4double VL[26];
265 204
266 static G4double sWmaxBarkas; << 205 static G4LPhysicsFreeVector* BarkasCorr;
267 static G4PhysicsFreeVector* sBarkasCorr; << 206 static G4LPhysicsFreeVector* ThetaK;
268 static G4PhysicsFreeVector* sThetaK; << 207 static G4LPhysicsFreeVector* ThetaL;
269 static G4PhysicsFreeVector* sThetaL; << 208
>> 209 G4double alpha2;
>> 210
>> 211 std::vector<const G4Material*> currmat;
>> 212 std::map< G4int, std::vector<G4double> > thcorr;
>> 213 size_t ncouples;
>> 214
>> 215 const G4ParticleDefinition* particle;
>> 216 const G4ParticleDefinition* curParticle;
>> 217 const G4Material* material;
>> 218 const G4Material* curMaterial;
>> 219 const G4ElementVector* theElementVector;
>> 220 const G4double* atomDensity;
>> 221
>> 222 G4PhysicsVector* curVector;
>> 223
>> 224 G4IonTable* ionTable;
>> 225 G4VEmModel* ionLEModel;
>> 226 G4VEmModel* ionHEModel;
>> 227
>> 228 G4double kinEnergy;
>> 229 G4double mass;
>> 230 G4double massFactor;
>> 231 G4double eth;
>> 232 G4double tau;
>> 233 G4double gamma;
>> 234 G4double bg2;
>> 235 G4double beta2;
>> 236 G4double beta;
>> 237 G4double ba2;
>> 238 G4double tmax;
>> 239 G4double charge;
>> 240 G4double q2;
>> 241 G4double eCorrMin;
>> 242 G4double eCorrMax;
>> 243
>> 244 G4int verbose;
>> 245
>> 246 G4int nK;
>> 247 G4int nL;
>> 248 G4int nEtaK;
>> 249 G4int nEtaL;
>> 250
>> 251 G4int nbinCorr;
>> 252 G4int numberOfElements;
>> 253
>> 254 // Ion stopping data
>> 255 G4int nIons;
>> 256 G4int idx;
>> 257 G4int currentZ;
>> 258 std::vector<G4int> Zion;
>> 259 std::vector<G4int> Aion;
>> 260 std::vector<G4String> materialName;
>> 261
>> 262 std::vector<const G4ParticleDefinition*> ionList;
>> 263
>> 264 std::vector<const G4Material*> materialList;
>> 265 std::vector<G4PhysicsVector*> stopData;
>> 266
>> 267 G4bool isMaster;
>> 268 G4ionEffectiveCharge effCharge;
270 }; 269 };
271 270
272 inline G4int 271 inline G4int
273 G4EmCorrections::Index(const G4double x, const << 272 G4EmCorrections::Index(G4double x, const G4double* y, G4int n) const
274 { 273 {
275 G4int iddd = n-1; 274 G4int iddd = n-1;
276 // Loop checking, 03-Aug-2015, Vladimir Ivan 275 // Loop checking, 03-Aug-2015, Vladimir Ivanchenko
277 do {--iddd;} while (iddd>0 && x<y[iddd]); 276 do {--iddd;} while (iddd>0 && x<y[iddd]);
278 return iddd; 277 return iddd;
279 } 278 }
280 279
281 inline G4double G4EmCorrections::Value(const G << 280 inline G4double G4EmCorrections::Value(G4double xv, G4double x1, G4double x2,
282 const G << 281 G4double y1, G4double y2) const
283 const G <<
284 { 282 {
285 return y1 + (y2 - y1)*(xv - x1)/(x2 - x1); 283 return y1 + (y2 - y1)*(xv - x1)/(x2 - x1);
286 } 284 }
287 285
288 inline G4double G4EmCorrections::Value2(const << 286 inline G4double G4EmCorrections::Value2(G4double xv, G4double yv,
289 const << 287 G4double x1, G4double x2,
290 const << 288 G4double y1, G4double y2,
291 const << 289 G4double z11, G4double z21,
292 const << 290 G4double z12, G4double z22) const
293 { 291 {
294 return ( z11*(x2-xv)*(y2-yv) + z22*(xv-x1)*( << 292 return (z11*(x2-xv)*(y2-yv) + z22*(xv-x1)*(yv-y1) +
295 z12*(x2-xv)*(yv-y1) + z21*(xv-x1)*(y2-yv) << 293 0.5*(z12*((x2-xv)*(yv-y1)+(xv-x1)*(y2-yv))+
>> 294 z21*((xv-x1)*(y2-yv)+(yv-y1)*(x2-xv))))
296 / ((x2-x1)*(y2-y1)); 295 / ((x2-x1)*(y2-y1));
297 } 296 }
298 297
299 inline void 298 inline void
300 G4EmCorrections::SetIonisationModels(G4VEmMode 299 G4EmCorrections::SetIonisationModels(G4VEmModel* mod1, G4VEmModel* mod2)
301 { 300 {
302 if(nullptr != mod1) { ionLEModel = mod1; } << 301 if(mod1) { ionLEModel = mod1; }
303 if(nullptr != mod2) { ionHEModel = mod2; } << 302 if(mod2) { ionHEModel = mod2; }
304 } 303 }
305 304
306 inline G4int G4EmCorrections::GetNumberOfStopp 305 inline G4int G4EmCorrections::GetNumberOfStoppingVectors() const
307 { 306 {
308 return nIons; 307 return nIons;
309 } 308 }
310 309
311 inline G4double 310 inline G4double
312 G4EmCorrections::GetParticleCharge(const G4Par 311 G4EmCorrections::GetParticleCharge(const G4ParticleDefinition* p,
313 const G4Mat 312 const G4Material* mat,
314 const G4dou << 313 G4double kineticEnergy)
315 { 314 {
316 return effCharge.EffectiveCharge(p,mat,kinet 315 return effCharge.EffectiveCharge(p,mat,kineticEnergy);
317 } 316 }
318 317
319 inline G4double 318 inline G4double
320 G4EmCorrections::EffectiveChargeSquareRatio(co 319 G4EmCorrections::EffectiveChargeSquareRatio(const G4ParticleDefinition* p,
321 co 320 const G4Material* mat,
322 co << 321 G4double kineticEnergy)
323 { 322 {
324 return effCharge.EffectiveChargeSquareRatio( 323 return effCharge.EffectiveChargeSquareRatio(p,mat,kineticEnergy);
>> 324 }
>> 325
>> 326 inline void G4EmCorrections::SetupKinematics(const G4ParticleDefinition* p,
>> 327 const G4Material* mat,
>> 328 G4double kineticEnergy)
>> 329 {
>> 330 if(kineticEnergy != kinEnergy || p != particle) {
>> 331 particle = p;
>> 332 kinEnergy = kineticEnergy;
>> 333 mass = p->GetPDGMass();
>> 334 tau = kineticEnergy / mass;
>> 335 gamma = 1.0 + tau;
>> 336 bg2 = tau * (tau+2.0);
>> 337 beta2 = bg2/(gamma*gamma);
>> 338 beta = std::sqrt(beta2);
>> 339 ba2 = beta2/alpha2;
>> 340 G4double ratio = CLHEP::electron_mass_c2/mass;
>> 341 tmax = 2.0*CLHEP::electron_mass_c2*bg2
>> 342 /(1. + 2.0*gamma*ratio + ratio*ratio);
>> 343 charge = p->GetPDGCharge()*inveplus;
>> 344 if(charge > 1.5) { charge = effCharge.EffectiveCharge(p,mat,kinEnergy); }
>> 345 q2 = charge*charge;
>> 346 }
>> 347 if(mat != material) {
>> 348 material = mat;
>> 349 theElementVector = material->GetElementVector();
>> 350 atomDensity = material->GetAtomicNumDensityVector();
>> 351 numberOfElements = material->GetNumberOfElements();
>> 352 }
325 } 353 }
326 354
327 inline void G4EmCorrections::SetVerbose(G4int 355 inline void G4EmCorrections::SetVerbose(G4int verb)
328 { 356 {
329 verbose = verb; 357 verbose = verb;
330 } 358 }
331 359
332 //....oooOO0OOooo........oooOO0OOooo........oo 360 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
333 361
334 #endif 362 #endif
335 363