| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class file 29 // GEANT4 Class file
30 // 30 //
31 // 31 //
32 // File name: G4VMultipleScattering 32 // File name: G4VMultipleScattering
33 // 33 //
34 // Author: Vladimir Ivanchenko on base 34 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 35 //
36 // Creation date: 25.03.2003 36 // Creation date: 25.03.2003
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
>> 40 // 13.04.03 Change printout (V.Ivanchenko)
>> 41 // 04-06-03 Fix compilation warnings (V.Ivanchenko)
40 // 16-07-03 Use G4VMscModel interface (V.Ivanc 42 // 16-07-03 Use G4VMscModel interface (V.Ivanchenko)
41 // 03-11-03 Fix initialisation problem in Retr 43 // 03-11-03 Fix initialisation problem in RetrievePhysicsTable (V.Ivanchenko)
42 // 04-11-03 Update PrintInfoDefinition (V.Ivan 44 // 04-11-03 Update PrintInfoDefinition (V.Ivanchenko)
43 // 01-03-04 SampleCosineTheta signature change 45 // 01-03-04 SampleCosineTheta signature changed
44 // 22-04-04 SampleCosineTheta signature change 46 // 22-04-04 SampleCosineTheta signature changed back to original
45 // 27-08-04 Add InitialiseForRun method (V.Iva 47 // 27-08-04 Add InitialiseForRun method (V.Ivanchneko)
46 // 08-11-04 Migration to new interface of Stor 48 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
47 // 11-03-05 Shift verbose level by 1 (V.Ivantc 49 // 11-03-05 Shift verbose level by 1 (V.Ivantchenko)
48 // 15-04-05 optimize internal interface (V.Iva 50 // 15-04-05 optimize internal interface (V.Ivanchenko)
49 // 15-04-05 remove boundary flag (V.Ivanchenko 51 // 15-04-05 remove boundary flag (V.Ivanchenko)
50 // 27-10-05 introduce virtual function MscStep 52 // 27-10-05 introduce virtual function MscStepLimitation() (V.Ivanchenko)
51 // 12-04-07 Add verbosity at destruction (V.Iv 53 // 12-04-07 Add verbosity at destruction (V.Ivanchenko)
52 // 27-10-07 Virtual functions moved to source 54 // 27-10-07 Virtual functions moved to source (V.Ivanchenko)
53 // 11-03-08 Set skin value does not effect ste 55 // 11-03-08 Set skin value does not effect step limit type (V.Ivanchenko)
54 // 24-06-09 Removed hidden bin in G4PhysicsVec 56 // 24-06-09 Removed hidden bin in G4PhysicsVector (V.Ivanchenko)
55 // 04-06-13 Adoptation to MT mode (V.Ivanchenk 57 // 04-06-13 Adoptation to MT mode (V.Ivanchenko)
56 // 58 //
>> 59 // Class Description:
>> 60 //
>> 61 // It is the generic process of multiple scattering it includes common
>> 62 // part of calculations for all charged particles
57 63
58 // ------------------------------------------- 64 // -------------------------------------------------------------------
59 // 65 //
60 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 68
63 #include "G4VMultipleScattering.hh" 69 #include "G4VMultipleScattering.hh"
64 #include "G4PhysicalConstants.hh" 70 #include "G4PhysicalConstants.hh"
65 #include "G4SystemOfUnits.hh" 71 #include "G4SystemOfUnits.hh"
66 #include "G4LossTableManager.hh" 72 #include "G4LossTableManager.hh"
67 #include "G4MaterialCutsCouple.hh" 73 #include "G4MaterialCutsCouple.hh"
68 #include "G4Step.hh" 74 #include "G4Step.hh"
69 #include "G4ParticleDefinition.hh" 75 #include "G4ParticleDefinition.hh"
70 #include "G4VEmFluctuationModel.hh" 76 #include "G4VEmFluctuationModel.hh"
71 #include "G4UnitsTable.hh" 77 #include "G4UnitsTable.hh"
72 #include "G4ProductionCutsTable.hh" 78 #include "G4ProductionCutsTable.hh"
73 #include "G4Electron.hh" 79 #include "G4Electron.hh"
74 #include "G4GenericIon.hh" 80 #include "G4GenericIon.hh"
75 #include "G4TransportationManager.hh" 81 #include "G4TransportationManager.hh"
76 #include "G4SafetyHelper.hh" 82 #include "G4SafetyHelper.hh"
77 #include "G4ParticleTable.hh" 83 #include "G4ParticleTable.hh"
78 #include "G4ProcessVector.hh" 84 #include "G4ProcessVector.hh"
79 #include "G4ProcessManager.hh" 85 #include "G4ProcessManager.hh"
80 #include "G4LossTableBuilder.hh" <<
81 #include "G4EmTableUtil.hh" <<
82 #include <iostream> 86 #include <iostream>
83 87
84 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
85 89
86 G4VMultipleScattering::G4VMultipleScattering(c << 90 G4VMultipleScattering::G4VMultipleScattering(const G4String& name, G4ProcessType)
87 : G4VContinuousDiscreteProcess("msc", fElect 91 : G4VContinuousDiscreteProcess("msc", fElectromagnetic),
>> 92 numberOfModels(0),
>> 93 firstParticle(nullptr),
>> 94 currParticle(nullptr),
>> 95 stepLimit(fUseSafety),
>> 96 facrange(0.04),
>> 97 latDisplacement(true),
>> 98 isIon(false),
88 fNewPosition(0.,0.,0.), 99 fNewPosition(0.,0.,0.),
89 fNewDirection(0.,0.,1.) 100 fNewDirection(0.,0.,1.)
90 { 101 {
91 theParameters = G4EmParameters::Instance(); 102 theParameters = G4EmParameters::Instance();
92 SetVerboseLevel(1); 103 SetVerboseLevel(1);
93 SetProcessSubType(fMultipleScattering); 104 SetProcessSubType(fMultipleScattering);
>> 105 if("ionmsc" == name) { firstParticle = G4GenericIon::GenericIon(); }
94 106
95 lowestKinEnergy = 10*CLHEP::eV; 107 lowestKinEnergy = 10*CLHEP::eV;
96 108
97 geomMin = 0.05*CLHEP::nm; << 109 physStepLimit = gPathLength = tPathLength = 0.0;
>> 110 fIonisation = nullptr;
>> 111
>> 112 geomMin = 0.05*CLHEP::nm;
98 minDisplacement2 = geomMin*geomMin; 113 minDisplacement2 = geomMin*geomMin;
99 114
100 pParticleChange = &fParticleChange; 115 pParticleChange = &fParticleChange;
>> 116 safetyHelper = nullptr;
>> 117 fPositionChanged = false;
>> 118 isActive = false;
101 119
>> 120 currentModel = nullptr;
102 modelManager = new G4EmModelManager(); 121 modelManager = new G4EmModelManager();
103 emManager = G4LossTableManager::Instance(); 122 emManager = G4LossTableManager::Instance();
104 mscModels.reserve(2); 123 mscModels.reserve(2);
105 emManager->Register(this); 124 emManager->Register(this);
106 } 125 }
107 126
108 //....oooOO0OOooo........oooOO0OOooo........oo 127 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
109 128
110 G4VMultipleScattering::~G4VMultipleScattering( 129 G4VMultipleScattering::~G4VMultipleScattering()
111 { 130 {
>> 131 /*
>> 132 if(1 < verboseLevel) {
>> 133 G4cout << "G4VMultipleScattering destruct " << GetProcessName()
>> 134 << G4endl;
>> 135 }
>> 136 */
112 delete modelManager; 137 delete modelManager;
113 emManager->DeRegister(this); 138 emManager->DeRegister(this);
114 } 139 }
115 140
116 //....oooOO0OOooo........oooOO0OOooo........oo 141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
117 142
118 void G4VMultipleScattering::AddEmModel(G4int o << 143 void G4VMultipleScattering::AddEmModel(G4int order, G4VEmModel* p,
119 const G 144 const G4Region* region)
120 { 145 {
121 if(nullptr == ptr) { return; } << 146 if(!p) { return; }
122 G4VEmFluctuationModel* fm = nullptr; 147 G4VEmFluctuationModel* fm = nullptr;
123 modelManager->AddEmModel(order, ptr, fm, reg << 148 modelManager->AddEmModel(order, p, fm, region);
124 ptr->SetParticleChange(pParticleChange); << 149 p->SetParticleChange(pParticleChange);
125 } 150 }
126 151
127 //....oooOO0OOooo........oooOO0OOooo........oo 152 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
128 153
129 void G4VMultipleScattering::SetEmModel(G4VMscM << 154 void G4VMultipleScattering::SetEmModel(G4VMscModel* p, size_t)
130 { 155 {
131 if(nullptr == ptr) { return; } << 156 for(auto & msc : mscModels) { if(msc == p) { return; } }
132 if(!mscModels.empty()) { << 157 mscModels.push_back(p);
133 for(auto & msc : mscModels) { if(msc == pt << 158 }
134 } << 159
135 mscModels.push_back(ptr); << 160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 161
>> 162 G4VMscModel* G4VMultipleScattering::EmModel(size_t index) const
>> 163 {
>> 164 return (index < mscModels.size()) ? mscModels[index] : nullptr;
136 } 165 }
137 166
138 //....oooOO0OOooo........oooOO0OOooo........oo 167 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
139 168
140 void 169 void
141 G4VMultipleScattering::PreparePhysicsTable(con 170 G4VMultipleScattering::PreparePhysicsTable(const G4ParticleDefinition& part)
142 { 171 {
>> 172 if(1 < verboseLevel) {
>> 173 G4cout << "### G4VMultipleScattering::PrepearPhysicsTable() for "
>> 174 << GetProcessName()
>> 175 << " and particle " << part.GetParticleName()
>> 176 << G4endl;
>> 177 }
143 G4bool master = emManager->IsMaster(); 178 G4bool master = emManager->IsMaster();
144 if (nullptr == firstParticle) { firstParticl <<
145 179
146 emManager->PreparePhysicsTable(&part, this); << 180 if(!firstParticle) { firstParticle = ∂ }
>> 181 if(part.GetParticleType() == "nucleus") {
>> 182 stepLimit = fMinimal;
>> 183 latDisplacement = false;
>> 184 facrange = 0.2;
>> 185 G4String pname = part.GetParticleName();
>> 186 if(pname != "deuteron" && pname != "triton" &&
>> 187 pname != "alpha+" && pname != "helium" &&
>> 188 pname != "alpha" && pname != "He3" &&
>> 189 pname != "hydrogen") {
>> 190
>> 191 const G4ParticleDefinition* theGenericIon =
>> 192 G4ParticleTable::GetParticleTable()->FindParticle("GenericIon");
>> 193 if(&part == theGenericIon) { isIon = true; }
>> 194
>> 195 if(theGenericIon && firstParticle != theGenericIon) {
>> 196 G4ProcessManager* pm = theGenericIon->GetProcessManager();
>> 197 G4ProcessVector* v = pm->GetAlongStepProcessVector();
>> 198 size_t n = v->size();
>> 199 for(size_t j=0; j<n; ++j) {
>> 200 if((*v)[j] == this) {
>> 201 firstParticle = theGenericIon;
>> 202 isIon = true;
>> 203 break;
>> 204 }
>> 205 }
>> 206 }
>> 207 }
>> 208 }
>> 209
>> 210 emManager->PreparePhysicsTable(&part, this, master);
147 currParticle = nullptr; 211 currParticle = nullptr;
148 212
>> 213 if(1 < verboseLevel) {
>> 214 G4cout << "### G4VMultipleScattering::PrepearPhysicsTable() for "
>> 215 << GetProcessName()
>> 216 << " and particle " << part.GetParticleName()
>> 217 << " local particle " << firstParticle->GetParticleName()
>> 218 << " isIon: " << isIon << " isMaster: " << master
>> 219 << G4endl;
>> 220 }
>> 221
149 if(firstParticle == &part) { 222 if(firstParticle == &part) {
150 baseMat = emManager->GetTableBuilder()->Ge <<
151 G4EmTableUtil::PrepareMscProcess(this, par <<
152 stepLimit, facrange, <<
153 latDisplacement, master, <<
154 isIon, baseMat); <<
155 223
>> 224 // initialise process
>> 225 InitialiseProcess(firstParticle);
>> 226
>> 227 // heavy particles and not ions
>> 228 if(!isIon) {
>> 229 if(part.GetPDGMass() > MeV) {
>> 230 stepLimit = theParameters->MscMuHadStepLimitType();
>> 231 facrange = theParameters->MscMuHadRangeFactor();
>> 232 latDisplacement = theParameters->MuHadLateralDisplacement();
>> 233 } else {
>> 234 stepLimit = theParameters->MscStepLimitType();
>> 235 facrange = theParameters->MscRangeFactor();
>> 236 latDisplacement = theParameters->LateralDisplacement();
>> 237 }
>> 238 }
>> 239 if(master) { SetVerboseLevel(theParameters->Verbose()); }
>> 240 else { SetVerboseLevel(theParameters->WorkerVerbose()); }
>> 241
>> 242 // initialisation of models
156 numberOfModels = modelManager->NumberOfMod 243 numberOfModels = modelManager->NumberOfModels();
157 currentModel = GetModelByIndex(0); << 244 /*
>> 245 G4cout << "### G4VMultipleScattering::PreparePhysicsTable() for "
>> 246 << GetProcessName()
>> 247 << " and particle " << part.GetParticleName()
>> 248 << " Nmod= " << numberOfModels << " " << this
>> 249 << G4endl;
>> 250 */
>> 251 for(G4int i=0; i<numberOfModels; ++i) {
>> 252 G4VMscModel* msc = static_cast<G4VMscModel*>(GetModelByIndex(i));
>> 253 if(!msc) { continue; }
>> 254 msc->SetIonisation(nullptr, firstParticle);
>> 255 msc->SetMasterThread(master);
>> 256 currentModel = msc;
>> 257 msc->SetPolarAngleLimit(theParameters->MscThetaLimit());
>> 258 G4double emax =
>> 259 std::min(msc->HighEnergyLimit(),theParameters->MaxKinEnergy());
>> 260 msc->SetHighEnergyLimit(emax);
>> 261 }
158 262
159 if (nullptr == safetyHelper) { << 263 modelManager->Initialise(firstParticle, G4Electron::Electron(),
>> 264 10.0, verboseLevel);
>> 265
>> 266 if(!safetyHelper) {
160 safetyHelper = G4TransportationManager:: 267 safetyHelper = G4TransportationManager::GetTransportationManager()
161 ->GetSafetyHelper(); << 268 ->GetSafetyHelper();
162 safetyHelper->InitialiseHelper(); 269 safetyHelper->InitialiseHelper();
163 } 270 }
164 } 271 }
165 } 272 }
166 273
167 //....oooOO0OOooo........oooOO0OOooo........oo 274 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
168 275
169 void G4VMultipleScattering::BuildPhysicsTable( 276 void G4VMultipleScattering::BuildPhysicsTable(const G4ParticleDefinition& part)
170 { 277 {
>> 278 G4String num = part.GetParticleName();
171 G4bool master = emManager->IsMaster(); 279 G4bool master = emManager->IsMaster();
172 << 280 if(1 < verboseLevel) {
173 if(firstParticle == &part) { << 281 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for "
174 emManager->BuildPhysicsTable(&part); << 282 << GetProcessName()
>> 283 << " and particle " << num << " isIon: " << isIon
>> 284 << " IsMaster: " << master << G4endl;
175 } 285 }
176 const G4VMultipleScattering* ptr = this; << 286 const G4VMultipleScattering* masterProcess =
177 if(!master) { << 287 static_cast<const G4VMultipleScattering*>(GetMasterProcess());
178 ptr = static_cast<const G4VMultipleScatter << 288
>> 289 if(firstParticle == &part) {
>> 290 /*
>> 291 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for "
>> 292 << GetProcessName()
>> 293 << " and particle " << num
>> 294 << " IsMaster= " << G4LossTableManager::Instance()->IsMaster()
>> 295 << " " << this
>> 296 << G4endl;
>> 297 */
>> 298 emManager->BuildPhysicsTable(firstParticle);
>> 299
>> 300 if(!master) {
>> 301 // initialisation of models
>> 302 /*
>> 303 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() for "
>> 304 << GetProcessName()
>> 305 << " and particle " << num
>> 306 << " Nmod= " << numberOfModels << " " << this
>> 307 << G4endl;
>> 308 */
>> 309 for(G4int i=0; i<numberOfModels; ++i) {
>> 310 G4VMscModel* msc = static_cast<G4VMscModel*>(GetModelByIndex(i));
>> 311 if(!msc) { continue; }
>> 312 G4VMscModel* msc0=
>> 313 static_cast<G4VMscModel*>(masterProcess->GetModelByIndex(i));
>> 314 msc->SetCrossSectionTable(msc0->GetCrossSectionTable(), false);
>> 315 msc->InitialiseLocal(firstParticle, msc0);
>> 316 }
>> 317 }
179 } 318 }
180 319
181 G4EmTableUtil::BuildMscProcess(this, ptr, pa << 320 // explicitly defined printout by particle name
182 numberOfModels, master); << 321 if(1 < verboseLevel ||
>> 322 (0 < verboseLevel && (num == "e-" ||
>> 323 num == "e+" || num == "mu+" ||
>> 324 num == "mu-" || num == "proton"||
>> 325 num == "pi+" || num == "pi-" ||
>> 326 num == "kaon+" || num == "kaon-" ||
>> 327 num == "alpha" || num == "anti_proton" ||
>> 328 num == "GenericIon" || num == "alpha+" ||
>> 329 num == "alpha++" )))
>> 330 {
>> 331 StreamInfo(G4cout, part);
>> 332 }
>> 333
>> 334 if(1 < verboseLevel) {
>> 335 G4cout << "### G4VMultipleScattering::BuildPhysicsTable() done for "
>> 336 << GetProcessName()
>> 337 << " and particle " << num
>> 338 << G4endl;
>> 339 }
183 } 340 }
184 341
185 //....oooOO0OOooo........oooOO0OOooo........oo 342 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
186 343
187 void G4VMultipleScattering::StreamInfo(std::os 344 void G4VMultipleScattering::StreamInfo(std::ostream& outFile,
188 const G4ParticleDefinition& 345 const G4ParticleDefinition& part, G4bool rst) const
189 { 346 {
190 G4String indent = (rst ? " " : ""); 347 G4String indent = (rst ? " " : "");
191 outFile << G4endl << indent << GetProcessNam 348 outFile << G4endl << indent << GetProcessName() << ": ";
192 if (!rst) outFile << " for " << part.GetPart 349 if (!rst) outFile << " for " << part.GetParticleName();
193 outFile << " SubType= " << GetProcessSubTy 350 outFile << " SubType= " << GetProcessSubType() << G4endl;
>> 351 //StreamProcessInfo(outFile);
194 modelManager->DumpModelList(outFile, verbose 352 modelManager->DumpModelList(outFile, verboseLevel);
195 } 353 }
196 354
197 //....oooOO0OOooo........oooOO0OOooo........oo 355 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
198 356
199 void G4VMultipleScattering::StartTracking(G4Tr 357 void G4VMultipleScattering::StartTracking(G4Track* track)
200 { 358 {
201 G4VEnergyLossProcess* eloss = nullptr; 359 G4VEnergyLossProcess* eloss = nullptr;
202 if(track->GetParticleDefinition() != currPar 360 if(track->GetParticleDefinition() != currParticle) {
203 currParticle = track->GetParticleDefinitio 361 currParticle = track->GetParticleDefinition();
204 fIonisation = emManager->GetEnergyLossProc 362 fIonisation = emManager->GetEnergyLossProcess(currParticle);
205 eloss = fIonisation; 363 eloss = fIonisation;
206 } 364 }
>> 365 /*
>> 366 G4cout << "G4VMultipleScattering::StartTracking Nmod= " << numberOfModels
>> 367 << " " << currParticle->GetParticleName()
>> 368 << " E(MeV)= " << track->GetKineticEnergy()
>> 369 << " Ion= " << eloss << " " << fIonisation << " IsMaster= "
>> 370 << G4LossTableManager::Instance()->IsMaster()
>> 371 << G4endl;
>> 372 */
207 for(G4int i=0; i<numberOfModels; ++i) { 373 for(G4int i=0; i<numberOfModels; ++i) {
208 G4VMscModel* msc = GetModelByIndex(i); << 374 /*
>> 375 G4cout << "Next model " << i << " " << msc
>> 376 << " Emin= " << msc->LowEnergyLimit()
>> 377 << " Emax= " << msc->HighEnergyLimit()
>> 378 << " Eact= " << msc->LowEnergyActivationLimit() << G4endl;
>> 379 */
>> 380 G4VEmModel* msc = GetModelByIndex(i);
209 msc->StartTracking(track); 381 msc->StartTracking(track);
210 if(nullptr != eloss) { << 382 if(eloss) {
211 msc->SetIonisation(eloss, currParticle); << 383 G4VMscModel* mscmod = static_cast<G4VMscModel*>(msc);
>> 384 if(mscmod) { mscmod->SetIonisation(fIonisation, currParticle); }
212 } 385 }
213 } 386 }
214 } << 387 }
215 388
216 //....oooOO0OOooo........oooOO0OOooo........oo 389 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
217 390
218 G4double G4VMultipleScattering::AlongStepGetPh 391 G4double G4VMultipleScattering::AlongStepGetPhysicalInteractionLength(
219 const G4Track& tr 392 const G4Track& track,
220 G4double, 393 G4double,
221 G4double currentM 394 G4double currentMinimalStep,
222 G4double&, 395 G4double&,
223 G4GPILSelection* 396 G4GPILSelection* selection)
224 { 397 {
225 // get Step limit proposed by the process 398 // get Step limit proposed by the process
226 *selection = NotCandidateForSelection; 399 *selection = NotCandidateForSelection;
227 physStepLimit = gPathLength = tPathLength = 400 physStepLimit = gPathLength = tPathLength = currentMinimalStep;
228 401
229 G4double ekin = track.GetKineticEnergy(); 402 G4double ekin = track.GetKineticEnergy();
230 /* 403 /*
231 G4cout << "MSC::AlongStepGPIL: Ekin= " << ek 404 G4cout << "MSC::AlongStepGPIL: Ekin= " << ekin
232 << " " << currParticle->GetParticleN 405 << " " << currParticle->GetParticleName()
233 << " currMod " << currentModel 406 << " currMod " << currentModel
234 << G4endl; 407 << G4endl;
235 */ 408 */
236 // isIon flag is used only to select a model 409 // isIon flag is used only to select a model
237 if(isIon) { 410 if(isIon) {
238 ekin *= proton_mass_c2/track.GetParticleDe 411 ekin *= proton_mass_c2/track.GetParticleDefinition()->GetPDGMass();
239 } 412 }
240 const G4MaterialCutsCouple* couple = track.G <<
241 413
242 // select new model, static cast is possible << 414 // select new model
243 if(1 < numberOfModels) { 415 if(1 < numberOfModels) {
244 currentModel = << 416 currentModel = static_cast<G4VMscModel*>(
245 static_cast<G4VMscModel*>(SelectModel(ek << 417 SelectModel(ekin,track.GetMaterialCutsCouple()->GetIndex()));
246 } 418 }
247 currentModel->SetCurrentCouple(couple); <<
248 // msc is active is model is active, energy 419 // msc is active is model is active, energy above the limit,
249 // and step size is above the limit; 420 // and step size is above the limit;
250 // if it is active msc may limit the step 421 // if it is active msc may limit the step
251 if(currentModel->IsActive(ekin) && tPathLeng 422 if(currentModel->IsActive(ekin) && tPathLength > geomMin
252 && ekin >= lowestKinEnergy) { 423 && ekin >= lowestKinEnergy) {
253 isActive = true; 424 isActive = true;
254 tPathLength = 425 tPathLength =
255 currentModel->ComputeTruePathLengthLimit 426 currentModel->ComputeTruePathLengthLimit(track, gPathLength);
256 if (tPathLength < physStepLimit) { 427 if (tPathLength < physStepLimit) {
257 *selection = CandidateForSelection; 428 *selection = CandidateForSelection;
258 } 429 }
259 } else { << 430 } else { isActive = false; }
260 isActive = false; <<
261 gPathLength = DBL_MAX; <<
262 } <<
263 431
264 //if(currParticle->GetPDGMass() > GeV) 432 //if(currParticle->GetPDGMass() > GeV)
265 /* 433 /*
266 G4cout << "MSC::AlongStepGPIL: Ekin= " << ek 434 G4cout << "MSC::AlongStepGPIL: Ekin= " << ekin
267 << " " << currParticle->GetParticleN 435 << " " << currParticle->GetParticleName()
268 << " gPathLength= " << gPathLength 436 << " gPathLength= " << gPathLength
269 << " tPathLength= " << tPathLength 437 << " tPathLength= " << tPathLength
270 << " currentMinimalStep= " << current 438 << " currentMinimalStep= " << currentMinimalStep
271 << " isActive " << isActive << G4endl 439 << " isActive " << isActive << G4endl;
272 */ 440 */
273 return gPathLength; 441 return gPathLength;
274 } 442 }
275 443
276 //....oooOO0OOooo........oooOO0OOooo........oo 444 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
277 445
278 G4double 446 G4double
279 G4VMultipleScattering::PostStepGetPhysicalInte 447 G4VMultipleScattering::PostStepGetPhysicalInteractionLength(
280 const G4Track&, G4double, G4Forc 448 const G4Track&, G4double, G4ForceCondition* condition)
281 { 449 {
282 *condition = NotForced; 450 *condition = NotForced;
283 return DBL_MAX; 451 return DBL_MAX;
284 } 452 }
285 453
286 //....oooOO0OOooo........oooOO0OOooo........oo 454 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
287 455
288 G4VParticleChange* 456 G4VParticleChange*
289 G4VMultipleScattering::AlongStepDoIt(const G4T 457 G4VMultipleScattering::AlongStepDoIt(const G4Track& track, const G4Step& step)
290 { 458 {
291 fParticleChange.InitialiseMSC(track, step); << 459 fParticleChange.ProposeMomentumDirection(
292 fNewPosition = fParticleChange.GetProposedPo << 460 step.GetPostStepPoint()->GetMomentumDirection());
>> 461 fNewPosition = step.GetPostStepPoint()->GetPosition();
>> 462 fParticleChange.ProposePosition(fNewPosition);
293 fPositionChanged = false; 463 fPositionChanged = false;
294 464
295 G4double geomLength = step.GetStepLength(); 465 G4double geomLength = step.GetStepLength();
296 466
297 // very small step - no msc 467 // very small step - no msc
298 if(!isActive) { 468 if(!isActive) {
299 tPathLength = geomLength; 469 tPathLength = geomLength;
300 470
301 // sample msc 471 // sample msc
302 } else { 472 } else {
303 G4double range = 473 G4double range =
304 currentModel->GetRange(currParticle,trac 474 currentModel->GetRange(currParticle,track.GetKineticEnergy(),
305 track.GetMaterial 475 track.GetMaterialCutsCouple());
306 476
307 tPathLength = currentModel->ComputeTrueSte 477 tPathLength = currentModel->ComputeTrueStepLength(geomLength);
308 478
309 /* 479 /*
310 if(currParticle->GetPDGMass() > 0.9*GeV) 480 if(currParticle->GetPDGMass() > 0.9*GeV)
311 G4cout << "G4VMsc::AlongStepDoIt: GeomLeng 481 G4cout << "G4VMsc::AlongStepDoIt: GeomLength= "
312 << geomLength 482 << geomLength
313 << " tPathLength= " << tPathLength 483 << " tPathLength= " << tPathLength
314 << " physStepLimit= " << physStepLi 484 << " physStepLimit= " << physStepLimit
315 << " dr= " << range - tPathLength 485 << " dr= " << range - tPathLength
316 << " ekin= " << track.GetKineticEne 486 << " ekin= " << track.GetKineticEnergy() << G4endl;
317 */ 487 */
318 // protection against wrong t->g->t conver 488 // protection against wrong t->g->t conversion
319 tPathLength = std::min(tPathLength, physSt 489 tPathLength = std::min(tPathLength, physStepLimit);
320 490
321 // do not sample scattering at the last or 491 // do not sample scattering at the last or at a small step
322 if(tPathLength < range && tPathLength > ge 492 if(tPathLength < range && tPathLength > geomMin) {
323 493
324 static const G4double minSafety = 1.20*C 494 static const G4double minSafety = 1.20*CLHEP::nm;
325 static const G4double sFact = 0.99; 495 static const G4double sFact = 0.99;
326 496
327 G4ThreeVector displacement = currentMode 497 G4ThreeVector displacement = currentModel->SampleScattering(
328 step.GetPostStepPoint()->GetMomentumDi 498 step.GetPostStepPoint()->GetMomentumDirection(),minSafety);
329 499
330 G4double r2 = displacement.mag2(); 500 G4double r2 = displacement.mag2();
331 //G4cout << " R= " << sqrt(r2) << " R 501 //G4cout << " R= " << sqrt(r2) << " Rmin= " << sqrt(minDisplacement2)
332 // << " flag= " << fDispBeyondSafety 502 // << " flag= " << fDispBeyondSafety << G4endl;
333 if(r2 > minDisplacement2) { 503 if(r2 > minDisplacement2) {
334 504
335 fPositionChanged = true; 505 fPositionChanged = true;
336 G4double dispR = std::sqrt(r2); 506 G4double dispR = std::sqrt(r2);
337 G4double postSafety = 507 G4double postSafety =
338 sFact*safetyHelper->ComputeSafety(fN 508 sFact*safetyHelper->ComputeSafety(fNewPosition, dispR);
339 //G4cout<<" R= "<< dispR<<" postSaf 509 //G4cout<<" R= "<< dispR<<" postSafety= "<<postSafety<<G4endl;
340 510
341 // far away from geometry boundary 511 // far away from geometry boundary
342 if(postSafety > 0.0 && dispR <= postSa 512 if(postSafety > 0.0 && dispR <= postSafety) {
343 fNewPosition += displacement; 513 fNewPosition += displacement;
344 514
345 //near the boundary 515 //near the boundary
346 } else { 516 } else {
347 // displaced point is definitely wit 517 // displaced point is definitely within the volume
348 //G4cout<<" R= "<<dispR<<" postSa 518 //G4cout<<" R= "<<dispR<<" postSafety= "<<postSafety<<G4endl;
349 if(dispR < postSafety) { 519 if(dispR < postSafety) {
350 fNewPosition += displacement; 520 fNewPosition += displacement;
351 521
352 // reduced displacement 522 // reduced displacement
353 } else if(postSafety > geomMin) { 523 } else if(postSafety > geomMin) {
354 fNewPosition += displacement*(post 524 fNewPosition += displacement*(postSafety/dispR);
355 525
356 // very small postSafety 526 // very small postSafety
357 } else { 527 } else {
358 fPositionChanged = false; 528 fPositionChanged = false;
359 } 529 }
360 } 530 }
361 if(fPositionChanged) { 531 if(fPositionChanged) {
362 safetyHelper->ReLocateWithinVolume(f 532 safetyHelper->ReLocateWithinVolume(fNewPosition);
363 fParticleChange.ProposePosition(fNew 533 fParticleChange.ProposePosition(fNewPosition);
364 } 534 }
365 } 535 }
366 } 536 }
367 } 537 }
368 fParticleChange.ProposeTrueStepLength(tPathL 538 fParticleChange.ProposeTrueStepLength(tPathLength);
369 return &fParticleChange; 539 return &fParticleChange;
370 } 540 }
371 541
372 //....oooOO0OOooo........oooOO0OOooo........oo 542 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
373 543
>> 544 G4VParticleChange*
>> 545 G4VMultipleScattering::PostStepDoIt(const G4Track& track, const G4Step&)
>> 546 {
>> 547 fParticleChange.Initialize(track);
>> 548 return &fParticleChange;
>> 549 }
>> 550
>> 551 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 552
374 G4double G4VMultipleScattering::GetContinuousS 553 G4double G4VMultipleScattering::GetContinuousStepLimit(
375 const G 554 const G4Track& track,
376 G4doubl 555 G4double previousStepSize,
377 G4doubl 556 G4double currentMinimalStep,
378 G4doubl 557 G4double& currentSafety)
379 { 558 {
380 G4GPILSelection selection = NotCandidateForS 559 G4GPILSelection selection = NotCandidateForSelection;
381 G4double x = AlongStepGetPhysicalInteraction 560 G4double x = AlongStepGetPhysicalInteractionLength(track,previousStepSize,
382 561 currentMinimalStep,
383 562 currentSafety,
384 563 &selection);
385 return x; 564 return x;
386 } 565 }
387 566
388 //....oooOO0OOooo........oooOO0OOooo........oo 567 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
389 568
390 G4double G4VMultipleScattering::ContinuousStep 569 G4double G4VMultipleScattering::ContinuousStepLimit(
391 const G 570 const G4Track& track,
392 G4doubl 571 G4double previousStepSize,
393 G4doubl 572 G4double currentMinimalStep,
394 G4doubl 573 G4double& currentSafety)
395 { 574 {
396 return GetContinuousStepLimit(track,previous 575 return GetContinuousStepLimit(track,previousStepSize,currentMinimalStep,
397 currentSafety) 576 currentSafety);
398 } 577 }
399 578
400 //....oooOO0OOooo........oooOO0OOooo........oo 579 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
401 580
402 G4double G4VMultipleScattering::GetMeanFreePat 581 G4double G4VMultipleScattering::GetMeanFreePath(
403 const G4Track&, G4double, G4Forc 582 const G4Track&, G4double, G4ForceCondition* condition)
404 { 583 {
405 *condition = Forced; 584 *condition = Forced;
406 return DBL_MAX; 585 return DBL_MAX;
407 } 586 }
408 587
409 //....oooOO0OOooo........oooOO0OOooo........oo 588 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
410 589
411 G4bool 590 G4bool
412 G4VMultipleScattering::StorePhysicsTable(const 591 G4VMultipleScattering::StorePhysicsTable(const G4ParticleDefinition* part,
413 const 592 const G4String& directory,
414 G4boo 593 G4bool ascii)
415 { 594 {
416 G4bool yes = true; 595 G4bool yes = true;
417 if(part != firstParticle || !emManager->IsMa << 596 if(part != firstParticle) { return yes; }
418 << 597 const G4VMultipleScattering* masterProcess =
419 return G4EmTableUtil::StoreMscTable(this, pa << 598 static_cast<const G4VMultipleScattering*>(GetMasterProcess());
420 numberOfModels, verboseLevel, << 599 if(masterProcess && masterProcess != this) { return yes; }
421 ascii); << 600
>> 601 G4int nmod = modelManager->NumberOfModels();
>> 602 static const G4String ss[4] = {"1","2","3","4"};
>> 603 for(G4int i=0; i<nmod; ++i) {
>> 604 G4VEmModel* msc = modelManager->GetModel(i);
>> 605 yes = true;
>> 606 G4PhysicsTable* table = msc->GetCrossSectionTable();
>> 607 if (table) {
>> 608 G4int j = std::min(i,3);
>> 609 G4String name =
>> 610 GetPhysicsTableFileName(part,directory,"LambdaMod"+ss[j],ascii);
>> 611 yes = table->StorePhysicsTable(name,ascii);
>> 612
>> 613 if ( yes ) {
>> 614 if ( verboseLevel>0 ) {
>> 615 G4cout << "Physics table are stored for "
>> 616 << part->GetParticleName()
>> 617 << " and process " << GetProcessName()
>> 618 << " with a name <" << name << "> " << G4endl;
>> 619 }
>> 620 } else {
>> 621 G4cout << "Fail to store Physics Table for "
>> 622 << part->GetParticleName()
>> 623 << " and process " << GetProcessName()
>> 624 << " in the directory <" << directory
>> 625 << "> " << G4endl;
>> 626 }
>> 627 }
>> 628 }
>> 629 return yes;
422 } 630 }
423 631
424 //....oooOO0OOooo........oooOO0OOooo........oo 632 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
425 633
426 G4bool 634 G4bool
427 G4VMultipleScattering::RetrievePhysicsTable(co 635 G4VMultipleScattering::RetrievePhysicsTable(const G4ParticleDefinition*,
428 co 636 const G4String&,
429 G4 637 G4bool)
430 { 638 {
431 return true; 639 return true;
432 } 640 }
433 641
434 //....oooOO0OOooo........oooOO0OOooo........oo 642 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
435 643
>> 644 void G4VMultipleScattering::SetIonisation(G4VEnergyLossProcess* p)
>> 645 {
>> 646 for(G4int i=0; i<numberOfModels; ++i) {
>> 647 G4VMscModel* msc = static_cast<G4VMscModel*>(GetModelByIndex(i, true));
>> 648 if(msc) { msc->SetIonisation(p, firstParticle); }
>> 649 }
>> 650 }
>> 651
>> 652 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 653
436 void G4VMultipleScattering::ProcessDescription 654 void G4VMultipleScattering::ProcessDescription(std::ostream& outFile) const
437 { 655 {
438 if(nullptr != firstParticle) { << 656 if(firstParticle) {
439 StreamInfo(outFile, *firstParticle, true); 657 StreamInfo(outFile, *firstParticle, true);
440 } 658 }
441 } 659 }
442 660
443 //....oooOO0OOooo........oooOO0OOooo........oo 661 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
444 662
445 663