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25 // 25 //
>> 26 // $Id: G4VMscModel.hh 93264 2015-10-14 09:30:04Z gcosmo $
>> 27 //
26 // ------------------------------------------- 28 // -------------------------------------------------------------------
27 // 29 //
28 // GEANT4 Class header file 30 // GEANT4 Class header file
29 // 31 //
30 // 32 //
31 // File name: G4VMscModel 33 // File name: G4VMscModel
32 // 34 //
33 // Author: Vladimir Ivanchenko 35 // Author: Vladimir Ivanchenko
34 // 36 //
35 // Creation date: 07.03.2008 37 // Creation date: 07.03.2008
36 // 38 //
37 // Modifications: 39 // Modifications:
38 // 07.04.2009 V.Ivanchenko moved msc methods f 40 // 07.04.2009 V.Ivanchenko moved msc methods from G4VEmModel to G4VMscModel
39 // 26.03.2012 V.Ivanchenko added transport x-s 41 // 26.03.2012 V.Ivanchenko added transport x-section pointer and Get?Set methods
40 // 42 //
41 // Class Description: 43 // Class Description:
42 // 44 //
43 // General interface to msc models 45 // General interface to msc models
44 46
45 // ------------------------------------------- 47 // -------------------------------------------------------------------
46 // 48 //
47 #ifndef G4VMscModel_h 49 #ifndef G4VMscModel_h
48 #define G4VMscModel_h 1 50 #define G4VMscModel_h 1
49 51
50 #include <CLHEP/Units/SystemOfUnits.h> 52 #include <CLHEP/Units/SystemOfUnits.h>
51 53
52 #include "G4VEmModel.hh" 54 #include "G4VEmModel.hh"
53 #include "G4MscStepLimitType.hh" 55 #include "G4MscStepLimitType.hh"
54 #include "globals.hh" 56 #include "globals.hh"
55 #include "G4ThreeVector.hh" 57 #include "G4ThreeVector.hh"
56 #include "G4Track.hh" 58 #include "G4Track.hh"
57 #include "G4SafetyHelper.hh" 59 #include "G4SafetyHelper.hh"
>> 60 #include "G4VEnergyLossProcess.hh"
>> 61 #include "G4LossTableManager.hh"
58 #include "G4PhysicsTable.hh" 62 #include "G4PhysicsTable.hh"
59 #include "G4ThreeVector.hh" 63 #include "G4ThreeVector.hh"
60 #include <vector> 64 #include <vector>
61 65
62 class G4ParticleChangeForMSC; 66 class G4ParticleChangeForMSC;
63 class G4ParticleDefinition; <<
64 class G4VEnergyLossProcess; <<
65 67
66 class G4VMscModel : public G4VEmModel 68 class G4VMscModel : public G4VEmModel
67 { 69 {
68 70
69 public: 71 public:
70 72
71 explicit G4VMscModel(const G4String& nam); << 73 G4VMscModel(const G4String& nam);
72 74
73 ~G4VMscModel() override; << 75 virtual ~G4VMscModel();
74 76
75 virtual G4double ComputeTruePathLengthLimit( 77 virtual G4double ComputeTruePathLengthLimit(const G4Track& track,
76 G4double& stepLimit) = 0; << 78 G4double& stepLimit);
77 79
78 virtual G4double ComputeGeomPathLength(G4dou << 80 virtual G4double ComputeGeomPathLength(G4double truePathLength);
79 81
80 virtual G4double ComputeTrueStepLength(G4dou << 82 virtual G4double ComputeTrueStepLength(G4double geomPathLength);
81 83
82 virtual G4ThreeVector& SampleScattering(cons 84 virtual G4ThreeVector& SampleScattering(const G4ThreeVector&,
83 G4double safety) = 0; << 85 G4double safety);
84 <<
85 void InitialiseParameters(const G4ParticleDe <<
86 <<
87 void DumpParameters(std::ostream& out) const <<
88 86
89 // empty method 87 // empty method
90 void SampleSecondaries(std::vector<G4Dynamic << 88 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
91 const G4MaterialCutsCouple*, << 89 const G4MaterialCutsCouple*,
92 const G4DynamicParticle*, << 90 const G4DynamicParticle*,
93 G4double tmin, G4double tmax) override; << 91 G4double tmin,
>> 92 G4double tmax);
94 93
95 //========================================== 94 //================================================================
96 // Set parameters of multiple scattering mo 95 // Set parameters of multiple scattering models
97 //========================================== 96 //================================================================
98 97
99 inline void SetStepLimitType(G4MscStepLimitT 98 inline void SetStepLimitType(G4MscStepLimitType);
100 99
101 inline void SetLateralDisplasmentFlag(G4bool 100 inline void SetLateralDisplasmentFlag(G4bool val);
102 101
103 inline void SetRangeFactor(G4double); 102 inline void SetRangeFactor(G4double);
104 103
105 inline void SetGeomFactor(G4double); 104 inline void SetGeomFactor(G4double);
106 105
107 inline void SetSkin(G4double); 106 inline void SetSkin(G4double);
108 107
109 inline void SetLambdaLimit(G4double); <<
110 <<
111 inline void SetSafetyFactor(G4double); <<
112 <<
113 inline void SetSampleZ(G4bool); 108 inline void SetSampleZ(G4bool);
114 109
115 //========================================== 110 //================================================================
116 // Get/Set access to Physics Tables 111 // Get/Set access to Physics Tables
117 //========================================== 112 //================================================================
118 113
119 inline G4VEnergyLossProcess* GetIonisation() 114 inline G4VEnergyLossProcess* GetIonisation() const;
120 115
121 inline void SetIonisation(G4VEnergyLossProce 116 inline void SetIonisation(G4VEnergyLossProcess*,
122 const G4ParticleDefinition* part); 117 const G4ParticleDefinition* part);
123 118
124 //========================================== 119 //================================================================
125 // Run time methods 120 // Run time methods
126 //========================================== 121 //================================================================
127 122
128 protected: 123 protected:
129 124
130 // initialisation of the ParticleChange for 125 // initialisation of the ParticleChange for the model
131 // initialisation of interface with geometry 126 // initialisation of interface with geometry and ionisation
132 G4ParticleChangeForMSC* 127 G4ParticleChangeForMSC*
133 GetParticleChangeForMSC(const G4ParticleDefi << 128 GetParticleChangeForMSC(const G4ParticleDefinition* p = 0);
134 129
135 // convert true length to geometry length 130 // convert true length to geometry length
136 inline G4double ConvertTrueToGeom(G4double& 131 inline G4double ConvertTrueToGeom(G4double& tLength, G4double& gLength);
137 132
138 // should be set before initialisation <<
139 inline void SetUseSplineForMSC(G4bool val); <<
140 <<
141 public: 133 public:
142 134
143 // compute safety 135 // compute safety
144 inline G4double ComputeSafety(const G4ThreeV 136 inline G4double ComputeSafety(const G4ThreeVector& position,
145 G4double limit= DBL_MAX); 137 G4double limit= DBL_MAX);
146 138
147 // compute linear distance to a geometry bou 139 // compute linear distance to a geometry boundary
148 inline G4double ComputeGeomLimit(const G4Tra 140 inline G4double ComputeGeomLimit(const G4Track&, G4double& presafety,
149 G4double limit); 141 G4double limit);
150 142
151 G4double GetDEDX(const G4ParticleDefinition* << 143 inline G4double GetDEDX(const G4ParticleDefinition* part,
152 G4double kineticEner << 144 G4double kineticEnergy,
153 const G4MaterialCuts << 145 const G4MaterialCutsCouple* couple);
154 <<
155 G4double GetDEDX(const G4ParticleDefinition* <<
156 G4double kineticEner <<
157 const G4MaterialCuts <<
158 G4double logKineticE <<
159 <<
160 G4double GetRange(const G4ParticleDefinition <<
161 G4double kineticEne <<
162 const G4MaterialCut <<
163 146
164 G4double GetRange(const G4ParticleDefinition << 147 inline G4double GetRange(const G4ParticleDefinition* part,
165 G4double kineticEne 148 G4double kineticEnergy,
166 const G4MaterialCut << 149 const G4MaterialCutsCouple* couple);
167 G4double logKinetic <<
168 150
169 G4double GetEnergy(const G4ParticleDefinitio << 151 inline G4double GetEnergy(const G4ParticleDefinition* part,
170 G4double range, 152 G4double range,
171 const G4MaterialCutsCouple* couple); 153 const G4MaterialCutsCouple* couple);
172 154
173 // G4MaterialCutsCouple should be defined be 155 // G4MaterialCutsCouple should be defined before call to this method
174 inline 156 inline
175 G4double GetTransportMeanFreePath(const G4Pa 157 G4double GetTransportMeanFreePath(const G4ParticleDefinition* part,
176 G4double k << 158 G4double kinEnergy);
177 159
178 inline << 160 private:
179 G4double GetTransportMeanFreePath(const G4Pa <<
180 G4double k <<
181 G4double l <<
182 161
183 // hide assignment operator 162 // hide assignment operator
184 G4VMscModel & operator=(const G4VMscModel & << 163 G4VMscModel & operator=(const G4VMscModel &right);
185 G4VMscModel(const G4VMscModel&) = delete; << 164 G4VMscModel(const G4VMscModel&);
186 <<
187 private: <<
188 165
189 G4SafetyHelper* safetyHelper = nullptr; << 166 G4SafetyHelper* safetyHelper;
190 G4VEnergyLossProcess* ionisation = nullptr; << 167 G4VEnergyLossProcess* ionisation;
191 const G4ParticleDefinition* currentPart = nu << 168 const G4ParticleDefinition* currentPart;
192 << 169 G4LossTableManager* man;
193 G4double dedx = 0.0; << 170
194 G4double localtkin = 0.0; << 171 G4double dedx;
195 G4double localrange = DBL_MAX; << 172 G4double localtkin;
>> 173 G4double localrange;
196 174
197 protected: 175 protected:
198 176
199 G4double facrange = 0.04; << 177 G4double facrange;
200 G4double facgeom = 2.5; << 178 G4double facgeom;
201 G4double facsafety = 0.6; << 179 G4double facsafety;
202 G4double skin = 1.0; << 180 G4double skin;
203 G4double dtrl = 0.05; << 181 G4double dtrl;
204 G4double lambdalimit; 182 G4double lambdalimit;
205 G4double geomMin; 183 G4double geomMin;
206 G4double geomMax; 184 G4double geomMax;
207 185
208 G4ThreeVector fDisplacement; << 186 G4ThreeVector fDisplacement;
209 G4MscStepLimitType steppingAlgorithm; 187 G4MscStepLimitType steppingAlgorithm;
210 188
211 G4bool samplez = false; << 189 G4bool samplez;
212 G4bool latDisplasment = true; << 190 G4bool latDisplasment;
213 <<
214 private: <<
215 191
216 G4bool useSpline = true; <<
217 }; 192 };
218 193
219 //....oooOO0OOooo........oooOO0OOooo........oo 194 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
220 //....oooOO0OOooo........oooOO0OOooo........oo 195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
221 196
222 inline void G4VMscModel::SetLateralDisplasment 197 inline void G4VMscModel::SetLateralDisplasmentFlag(G4bool val)
223 { 198 {
224 if(!IsLocked()) { latDisplasment = val; } 199 if(!IsLocked()) { latDisplasment = val; }
225 } 200 }
226 201
227 //....oooOO0OOooo........oooOO0OOooo........oo 202 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
228 203
229 inline void G4VMscModel::SetSkin(G4double val) 204 inline void G4VMscModel::SetSkin(G4double val)
230 { 205 {
231 if(!IsLocked()) { skin = val; } 206 if(!IsLocked()) { skin = val; }
232 } 207 }
233 208
234 //....oooOO0OOooo........oooOO0OOooo........oo 209 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
235 210
236 inline void G4VMscModel::SetRangeFactor(G4doub 211 inline void G4VMscModel::SetRangeFactor(G4double val)
237 { 212 {
238 if(!IsLocked()) { facrange = val; } 213 if(!IsLocked()) { facrange = val; }
239 } 214 }
240 215
241 //....oooOO0OOooo........oooOO0OOooo........oo 216 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
242 217
243 inline void G4VMscModel::SetGeomFactor(G4doubl 218 inline void G4VMscModel::SetGeomFactor(G4double val)
244 { 219 {
245 if(!IsLocked()) { facgeom = val; } 220 if(!IsLocked()) { facgeom = val; }
246 } 221 }
247 222
248 //....oooOO0OOooo........oooOO0OOooo........oo 223 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
249 224
250 inline void G4VMscModel::SetLambdaLimit(G4doub <<
251 { <<
252 if(!IsLocked()) { lambdalimit = val; } <<
253 } <<
254 <<
255 //....oooOO0OOooo........oooOO0OOooo........oo <<
256 <<
257 inline void G4VMscModel::SetSafetyFactor(G4dou <<
258 { <<
259 if(!IsLocked()) { facsafety = val; } <<
260 } <<
261 <<
262 //....oooOO0OOooo........oooOO0OOooo........oo <<
263 <<
264 inline void G4VMscModel::SetStepLimitType(G4Ms 225 inline void G4VMscModel::SetStepLimitType(G4MscStepLimitType val)
265 { 226 {
266 if(!IsLocked()) { steppingAlgorithm = val; } 227 if(!IsLocked()) { steppingAlgorithm = val; }
267 } 228 }
268 229
269 //....oooOO0OOooo........oooOO0OOooo........oo 230 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
270 231
271 inline void G4VMscModel::SetSampleZ(G4bool val 232 inline void G4VMscModel::SetSampleZ(G4bool val)
272 { 233 {
273 if(!IsLocked()) { samplez = val; } 234 if(!IsLocked()) { samplez = val; }
274 } 235 }
275 236
276 //....oooOO0OOooo........oooOO0OOooo........oo 237 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
277 238
278 inline G4double G4VMscModel::ComputeSafety(con 239 inline G4double G4VMscModel::ComputeSafety(const G4ThreeVector& position,
279 G4double limit) 240 G4double limit)
280 { 241 {
281 return safetyHelper->ComputeSafety(position 242 return safetyHelper->ComputeSafety(position, limit);
282 } 243 }
283 244
284 //....oooOO0OOooo........oooOO0OOooo........oo 245 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
285 246
286 inline G4double G4VMscModel::ConvertTrueToGeom 247 inline G4double G4VMscModel::ConvertTrueToGeom(G4double& tlength,
287 G4double& glength) 248 G4double& glength)
288 { 249 {
289 glength = ComputeGeomPathLength(tlength); 250 glength = ComputeGeomPathLength(tlength);
290 // should return true length 251 // should return true length
291 return tlength; 252 return tlength;
292 } 253 }
293 254
294 //....oooOO0OOooo........oooOO0OOooo........oo 255 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
295 256
296 inline G4double G4VMscModel::ComputeGeomLimit( 257 inline G4double G4VMscModel::ComputeGeomLimit(const G4Track& track,
297 G4double& presafety, 258 G4double& presafety,
298 G4double limit) 259 G4double limit)
299 { 260 {
>> 261 /*
>> 262 G4double res = geomMax;
>> 263 if(track.GetVolume() != safetyHelper->GetWorldVolume()) {
>> 264 G4double res = safetyHelper->CheckNextStep(
>> 265 track.GetStep()->GetPreStepPoint()->GetPosition(),
>> 266 track.GetMomentumDirection(),
>> 267 limit, presafety);
>> 268 }
>> 269 return res;
>> 270 */
300 return safetyHelper->CheckNextStep( 271 return safetyHelper->CheckNextStep(
301 track.GetStep()->GetPreStepPoint()-> 272 track.GetStep()->GetPreStepPoint()->GetPosition(),
302 track.GetMomentumDirection(), 273 track.GetMomentumDirection(),
303 limit, presafety); 274 limit, presafety);
304 } 275 }
305 276
306 //....oooOO0OOooo........oooOO0OOooo........oo 277 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
307 278
308 inline G4VEnergyLossProcess* G4VMscModel::GetI << 279 inline G4double
>> 280 G4VMscModel::GetDEDX(const G4ParticleDefinition* part,
>> 281 G4double kinEnergy, const G4MaterialCutsCouple* couple)
309 { 282 {
310 return ionisation; << 283 G4double x;
>> 284 if(ionisation) { x = ionisation->GetDEDX(kinEnergy, couple); }
>> 285 else {
>> 286 G4double q = part->GetPDGCharge()*inveplus;
>> 287 x = dedx*q*q;
>> 288 }
>> 289 return x;
311 } 290 }
312 291
313 //....oooOO0OOooo........oooOO0OOooo........oo 292 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
314 293
315 inline void G4VMscModel::SetIonisation(G4VEner << 294 inline G4double
316 const G4ParticleDefinition* par << 295 G4VMscModel::GetRange(const G4ParticleDefinition* part,
>> 296 G4double kinEnergy, const G4MaterialCutsCouple* couple)
317 { 297 {
318 ionisation = p; << 298 //G4cout << "G4VMscModel::GetRange E(MeV)= " << kinEnergy << " "
319 currentPart = part; << 299 // << ionisation << " " << part->GetParticleName()
>> 300 // << G4endl;
>> 301 localtkin = kinEnergy;
>> 302 if(ionisation) {
>> 303 localrange = ionisation->GetRangeForLoss(kinEnergy, couple);
>> 304 } else {
>> 305 G4double q = part->GetPDGCharge()*inveplus;
>> 306 localrange = kinEnergy/(dedx*q*q*couple->GetMaterial()->GetDensity());
>> 307 }
>> 308 //G4cout << "R(mm)= " << localrange << " " << ionisation << G4endl;
>> 309 return localrange;
320 } 310 }
321 311
322 //....oooOO0OOooo........oooOO0OOooo........oo 312 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
323 313
324 inline G4double 314 inline G4double
325 G4VMscModel::GetTransportMeanFreePath(const G4 << 315 G4VMscModel::GetEnergy(const G4ParticleDefinition* part,
326 G4double << 316 G4double range, const G4MaterialCutsCouple* couple)
327 { 317 {
328 G4double x; << 318 G4double e;
329 if (nullptr != xSectionTable) { << 319 //G4cout << "G4VMscModel::GetEnergy R(mm)= " << range << " " << ionisation
330 x = pFactor*(*xSectionTable)[basedCoupleIn << 320 // << " Rlocal(mm)= " << localrange << " Elocal(MeV)= " << localtkin
331 } else { << 321 // << G4endl;
332 x = pFactor*CrossSectionPerVolume(pBaseMat << 322 if(ionisation) { e = ionisation->GetKineticEnergy(range, couple); }
>> 323 else {
>> 324 e = localtkin;
>> 325 if(localrange > range) {
>> 326 G4double q = part->GetPDGCharge()*inveplus;
>> 327 e -= (localrange - range)*dedx*q*q*couple->GetMaterial()->GetDensity();
>> 328 }
333 } 329 }
334 return (x > 0.0) ? 1.0/x : DBL_MAX; << 330 return e;
335 } 331 }
336 332
337 //....oooOO0OOooo........oooOO0OOooo........oo 333 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
338 334
339 inline G4double << 335 inline G4VEnergyLossProcess* G4VMscModel::GetIonisation() const
340 G4VMscModel::GetTransportMeanFreePath(const G4 <<
341 G4double <<
342 { 336 {
343 G4double x; << 337 return ionisation;
344 if (nullptr != xSectionTable) { << 338 }
345 x = pFactor*(*xSectionTable)[basedCoupleIn << 339
346 } else { << 340 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
347 x = pFactor*CrossSectionPerVolume(pBaseMat << 341
348 } << 342 inline void G4VMscModel::SetIonisation(G4VEnergyLossProcess* p,
349 return (x > 0.0) ? 1.0/x : DBL_MAX; << 343 const G4ParticleDefinition* part)
>> 344 {
>> 345 ionisation = p;
>> 346 currentPart = part;
350 } 347 }
351 348
352 //....oooOO0OOooo........oooOO0OOooo........oo 349 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
353 350
354 inline void G4VMscModel::SetUseSplineForMSC(G4 << 351 inline G4double
>> 352 G4VMscModel::GetTransportMeanFreePath(const G4ParticleDefinition* part,
>> 353 G4double ekin)
355 { 354 {
356 useSpline = val; << 355 G4double x;
>> 356 if(xSectionTable) {
>> 357 G4int idx = CurrentCouple()->GetIndex();
>> 358 x = (*xSectionTable)[(*theDensityIdx)[idx]]->Value(ekin, idxTable)
>> 359 *(*theDensityFactor)[idx]/(ekin*ekin);
>> 360 } else {
>> 361 x = CrossSectionPerVolume(CurrentCouple()->GetMaterial(), part, ekin,
>> 362 0.0, DBL_MAX);
>> 363 }
>> 364 if(0.0 >= x) { x = DBL_MAX; }
>> 365 else { x = 1.0/x; }
>> 366 return x;
357 } 367 }
358 368
359 //....oooOO0OOooo........oooOO0OOooo........oo 369 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
360 370
361 #endif 371 #endif
>> 372
362 373