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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"
>> 63 #include "G4NistManager.hh"
60 64
61 class G4VEmModel; 65 class G4VEmModel;
62 class G4PhysicsVector; 66 class G4PhysicsVector;
63 class G4IonTable; 67 class G4IonTable;
64 class G4MaterialCutsCouple; 68 class G4MaterialCutsCouple;
65 class G4PhysicsFreeVector; << 69 class G4LPhysicsFreeVector;
66 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 G4EmCorrections();
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
>> 137 G4double NuclearDEDX(const G4ParticleDefinition*,
>> 138 const G4Material*,
>> 139 G4double kineticEnergy,
>> 140 G4bool fluct = true);
136 141
137 void AddStoppingData(const G4int Z, const G4 << 142 void AddStoppingData(G4int Z, G4int A, const G4String& materialName,
138 const G4String& materia << 143 G4PhysicsVector* dVector);
139 G4PhysicsVector* dVecto <<
140 144
141 void InitialiseForNewRun(); 145 void InitialiseForNewRun();
142 146
143 // effective charge correction using stoppin 147 // effective charge correction using stopping power data
144 G4double EffectiveChargeCorrection(const G4P 148 G4double EffectiveChargeCorrection(const G4ParticleDefinition*,
145 const G4M << 149 const G4Material*,
146 const G4d << 150 G4double kineticEnergy);
147 151
148 // effective charge of an ion 152 // effective charge of an ion
149 inline G4double GetParticleCharge(const G4Pa 153 inline G4double GetParticleCharge(const G4ParticleDefinition*,
150 const G4Ma << 154 const G4Material*,
151 const G4do << 155 G4double kineticEnergy);
152 156
153 inline 157 inline
154 G4double EffectiveChargeSquareRatio(const G4 158 G4double EffectiveChargeSquareRatio(const G4ParticleDefinition*,
155 const G4 << 159 const G4Material*,
156 const G4 << 160 G4double kineticEnergy);
157 161
158 // ionisation models for ions 162 // ionisation models for ions
159 inline void SetIonisationModels(G4VEmModel* << 163 inline void SetIonisationModels(G4VEmModel* m1 = 0, G4VEmModel* m2 = 0);
160 G4VEmModel* <<
161 <<
162 inline G4int GetNumberOfStoppingVectors() co <<
163 <<
164 inline void SetVerbose(G4int verb); <<
165 164
166 // hide assignment operator << 165 inline G4int GetNumberOfStoppingVectors();
167 G4EmCorrections & operator=(const G4EmCorrec <<
168 G4EmCorrections(const G4EmCorrections&) = de <<
169 166
170 private: 167 private:
171 168
172 void Initialise(); 169 void Initialise();
173 170
174 void BuildCorrectionVector(); 171 void BuildCorrectionVector();
175 172
176 void SetupKinematics(const G4ParticleDefinit 173 void SetupKinematics(const G4ParticleDefinition*,
177 const G4Material*, << 174 const G4Material*,
178 const G4double kineticE << 175 G4double kineticEnergy);
179 176
180 G4double KShell(const G4double theta, const << 177 G4double KShell(G4double theta, G4double eta);
181 178
182 G4double LShell(const G4double theta, const << 179 G4double LShell(G4double theta, G4double eta);
183 180
184 G4int Index(const G4double x, const G4double << 181 G4int Index(G4double x, G4double* y, G4int n);
185 182
186 G4double Value(const G4double xv, const G4do << 183 G4double Value(G4double xv, G4double x1, G4double x2, G4double y1, G4double y2);
187 const G4double y1, const G4do <<
188 <<
189 G4double Value2(const G4double xv, const G4d <<
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 <<
195 G4Pow* g4calc; <<
196 G4IonTable* ionTable; <<
197 <<
198 const G4ParticleDefinition* particle = nullp <<
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; <<
234 184
235 // Ion stopping data << 185 G4double Value2(G4double xv, G4double yv, G4double x1, G4double x2,
236 G4int nIons = 0; << 186 G4double y1, G4double y2,
237 G4int idx = 0; << 187 G4double z11, G4double z21, G4double z12, G4double z22);
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 <<
247 188
248 std::map< G4int, std::vector<G4double> > thc << 189 G4double NuclearStoppingPower(G4double e, G4double z1, G4double z2,
>> 190 G4double m1, G4double m2);
>> 191
>> 192 // hide assignment operator
>> 193 G4EmCorrections & operator=(const G4EmCorrections &right);
>> 194 G4EmCorrections(const G4EmCorrections&);
>> 195
>> 196 G4double ed[104];
>> 197 G4double a[104];
>> 198 G4double theZieglerFactor;
>> 199 G4double alpha2;
>> 200 G4bool lossFlucFlag;
>> 201
>> 202 G4int verbose;
>> 203
>> 204 G4int nK;
>> 205 G4int nL;
>> 206 G4int nEtaK;
>> 207 G4int nEtaL;
>> 208
>> 209 G4double COSEB[14];
>> 210 G4double COSXI[14];
>> 211 G4double ZD[11];
>> 212
>> 213 G4double TheK[20];
>> 214 G4double SK[20];
>> 215 G4double TK[20];
>> 216 G4double UK[20];
>> 217 G4double VK[20];
>> 218 G4double ZK[20];
>> 219
>> 220 G4double TheL[26];
>> 221 G4double SL[26];
>> 222 G4double TL[26];
>> 223 G4double UL[26];
>> 224 G4double VL[26];
>> 225
>> 226 G4double Eta[29];
>> 227 G4double CK[20][29];
>> 228 G4double CL[26][28];
>> 229 G4double HM[53];
>> 230 G4double HN[31];
>> 231 G4double Z23[100];
>> 232
>> 233 G4LPhysicsFreeVector* BarkasCorr;
>> 234 G4LPhysicsFreeVector* ThetaK;
>> 235 G4LPhysicsFreeVector* ThetaL;
249 236
250 std::vector<const G4Material*> currmat; 237 std::vector<const G4Material*> currmat;
251 std::vector<const G4Material*> materialList; << 238 std::map< G4int, std::vector<G4double> > thcorr;
252 std::vector<G4PhysicsVector*> stopData; << 239 size_t ncouples;
253 240
254 G4ionEffectiveCharge effCharge; << 241 const G4ParticleDefinition* particle;
>> 242 const G4ParticleDefinition* curParticle;
>> 243 const G4Material* material;
>> 244 const G4Material* curMaterial;
>> 245 const G4ElementVector* theElementVector;
>> 246 const G4double* atomDensity;
>> 247
>> 248 G4int numberOfElements;
>> 249 G4double kinEnergy;
>> 250 G4double mass;
>> 251 G4double massFactor;
>> 252 G4double formfact;
>> 253 G4double eth;
>> 254 G4double tau;
>> 255 G4double gamma;
>> 256 G4double bg2;
>> 257 G4double beta2;
>> 258 G4double beta;
>> 259 G4double ba2;
>> 260 G4double tmax;
>> 261 G4double charge;
>> 262 G4double q2;
>> 263 G4double eCorrMin;
>> 264 G4double eCorrMax;
>> 265 G4int nbinCorr;
>> 266
>> 267 G4ionEffectiveCharge effCharge;
>> 268
>> 269 G4NistManager* nist;
>> 270 const G4IonTable* ionTable;
>> 271 G4VEmModel* ionLEModel;
>> 272 G4VEmModel* ionHEModel;
255 273
256 static const G4double ZD[11]; << 274 // Ion stopping data
257 static const G4double UK[20]; << 275 G4int nIons;
258 static const G4double VK[20]; << 276 G4int idx;
259 static G4double ZK[20]; << 277 G4int currentZ;
260 static const G4double Eta[29]; << 278 std::vector<G4int> Zion;
261 static G4double CK[20][29]; << 279 std::vector<G4int> Aion;
262 static G4double CL[26][28]; << 280 std::vector<G4String> materialName;
263 static const G4double UL[26]; << 281
264 static G4double VL[26]; << 282 std::vector<const G4ParticleDefinition*> ionList;
265 << 283
266 static G4double sWmaxBarkas; << 284 std::vector<const G4Material*> materialList;
267 static G4PhysicsFreeVector* sBarkasCorr; << 285 std::vector<G4PhysicsVector*> stopData;
268 static G4PhysicsFreeVector* sThetaK; << 286 G4PhysicsVector* curVector;
269 static G4PhysicsFreeVector* sThetaL; <<
270 }; 287 };
271 288
272 inline G4int << 289 inline G4int G4EmCorrections::Index(G4double x, G4double* y, G4int n)
273 G4EmCorrections::Index(const G4double x, const <<
274 { 290 {
275 G4int iddd = n-1; 291 G4int iddd = n-1;
276 // Loop checking, 03-Aug-2015, Vladimir Ivan << 292 do {iddd--;} while (iddd>0 && x<y[iddd]);
277 do {--iddd;} while (iddd>0 && x<y[iddd]); <<
278 return iddd; 293 return iddd;
279 } 294 }
280 295
281 inline G4double G4EmCorrections::Value(const G << 296 inline G4double G4EmCorrections::Value(G4double xv, G4double x1, G4double x2,
282 const G << 297 G4double y1, G4double y2)
283 const G <<
284 { 298 {
285 return y1 + (y2 - y1)*(xv - x1)/(x2 - x1); 299 return y1 + (y2 - y1)*(xv - x1)/(x2 - x1);
286 } 300 }
287 301
288 inline G4double G4EmCorrections::Value2(const << 302 inline G4double G4EmCorrections::Value2(G4double xv, G4double yv,
289 const << 303 G4double x1, G4double x2,
290 const << 304 G4double y1, G4double y2,
291 const << 305 G4double z11, G4double z21,
292 const << 306 G4double z12, G4double z22)
293 { 307 {
294 return ( z11*(x2-xv)*(y2-yv) + z22*(xv-x1)*( << 308 return (z11*(x2-xv)*(y2-yv) + z22*(xv-x1)*(yv-y1) +
295 z12*(x2-xv)*(yv-y1) + z21*(xv-x1)*(y2-yv) << 309 0.5*(z12*((x2-xv)*(yv-y1)+(xv-x1)*(y2-yv))+
>> 310 z21*((xv-x1)*(y2-yv)+(yv-y1)*(x2-xv))))
296 / ((x2-x1)*(y2-y1)); 311 / ((x2-x1)*(y2-y1));
297 } 312 }
298 313
299 inline void 314 inline void
300 G4EmCorrections::SetIonisationModels(G4VEmMode 315 G4EmCorrections::SetIonisationModels(G4VEmModel* mod1, G4VEmModel* mod2)
301 { 316 {
302 if(nullptr != mod1) { ionLEModel = mod1; } << 317 if(mod1) { ionLEModel = mod1; }
303 if(nullptr != mod2) { ionHEModel = mod2; } << 318 if(mod2) { ionHEModel = mod2; }
304 } 319 }
305 320
306 inline G4int G4EmCorrections::GetNumberOfStopp << 321 inline G4int G4EmCorrections::GetNumberOfStoppingVectors()
307 { 322 {
308 return nIons; 323 return nIons;
309 } 324 }
310 325
311 inline G4double 326 inline G4double
312 G4EmCorrections::GetParticleCharge(const G4Par 327 G4EmCorrections::GetParticleCharge(const G4ParticleDefinition* p,
313 const G4Mat << 328 const G4Material* mat,
314 const G4dou << 329 G4double kineticEnergy)
315 { 330 {
316 return effCharge.EffectiveCharge(p,mat,kinet 331 return effCharge.EffectiveCharge(p,mat,kineticEnergy);
317 } 332 }
318 333
319 inline G4double 334 inline G4double
320 G4EmCorrections::EffectiveChargeSquareRatio(co 335 G4EmCorrections::EffectiveChargeSquareRatio(const G4ParticleDefinition* p,
321 co << 336 const G4Material* mat,
322 co << 337 G4double kineticEnergy)
323 { 338 {
324 return effCharge.EffectiveChargeSquareRatio( 339 return effCharge.EffectiveChargeSquareRatio(p,mat,kineticEnergy);
325 } 340 }
326 341
327 inline void G4EmCorrections::SetVerbose(G4int << 342 inline void G4EmCorrections::SetupKinematics(const G4ParticleDefinition* p,
>> 343 const G4Material* mat,
>> 344 G4double kineticEnergy)
328 { 345 {
329 verbose = verb; << 346 if(kineticEnergy != kinEnergy || p != particle) {
>> 347 particle = p;
>> 348 kinEnergy = kineticEnergy;
>> 349 mass = p->GetPDGMass();
>> 350 tau = kineticEnergy / mass;
>> 351 gamma = 1.0 + tau;
>> 352 bg2 = tau * (tau+2.0);
>> 353 beta2 = bg2/(gamma*gamma);
>> 354 beta = std::sqrt(beta2);
>> 355 ba2 = beta2/alpha2;
>> 356 G4double ratio = CLHEP::electron_mass_c2/mass;
>> 357 tmax = 2.0*CLHEP::electron_mass_c2*bg2 /(1. + 2.0*gamma*ratio + ratio*ratio);
>> 358 charge = p->GetPDGCharge()/CLHEP::eplus;
>> 359 //if(charge < 1.5) {q2 = charge*charge;}
>> 360 //else {
>> 361 // q2 = effCharge.EffectiveChargeSquareRatio(p,mat,kinEnergy);
>> 362 // charge = std::sqrt(q2);
>> 363 //}
>> 364 if(charge > 1.5) { charge = effCharge.EffectiveCharge(p,mat,kinEnergy); }
>> 365 q2 = charge*charge;
>> 366 }
>> 367 if(mat != material) {
>> 368 material = mat;
>> 369 theElementVector = material->GetElementVector();
>> 370 atomDensity = material->GetAtomicNumDensityVector();
>> 371 numberOfElements = material->GetNumberOfElements();
>> 372 }
330 } 373 }
331 374
332 //....oooOO0OOooo........oooOO0OOooo........oo 375 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
333 376
334 #endif 377 #endif
335 378