[819] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
[1196] | 26 | // $Id: G4VEmProcess.cc,v 1.79 2009/11/10 20:30:55 vnivanch Exp $ |
---|
[1228] | 27 | // GEANT4 tag $Name: geant4-09-03 $ |
---|
[819] | 28 | // |
---|
| 29 | // ------------------------------------------------------------------- |
---|
| 30 | // |
---|
| 31 | // GEANT4 Class file |
---|
| 32 | // |
---|
| 33 | // |
---|
| 34 | // File name: G4VEmProcess |
---|
| 35 | // |
---|
| 36 | // Author: Vladimir Ivanchenko on base of Laszlo Urban code |
---|
| 37 | // |
---|
| 38 | // Creation date: 01.10.2003 |
---|
| 39 | // |
---|
| 40 | // Modifications: |
---|
| 41 | // 30-06-04 make it to be pure discrete process (V.Ivanchenko) |
---|
| 42 | // 30-09-08 optimise integral option (V.Ivanchenko) |
---|
| 43 | // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko) |
---|
| 44 | // 11-03-05 Shift verbose level by 1, add applyCuts and killPrimary flags (VI) |
---|
| 45 | // 14-03-05 Update logic PostStepDoIt (V.Ivanchenko) |
---|
| 46 | // 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko) |
---|
| 47 | // 18-04-05 Use G4ParticleChangeForGamma (V.Ivanchenko) |
---|
| 48 | // 25-07-05 Add protection: integral mode only for charged particles (VI) |
---|
| 49 | // 04-09-05 default lambdaFactor 0.8 (V.Ivanchenko) |
---|
| 50 | // 11-01-06 add A to parameters of ComputeCrossSectionPerAtom (VI) |
---|
| 51 | // 12-09-06 add SetModel() (mma) |
---|
| 52 | // 12-04-07 remove double call to Clear model manager (V.Ivanchenko) |
---|
| 53 | // 27-10-07 Virtual functions moved to source (V.Ivanchenko) |
---|
[1196] | 54 | // 24-06-09 Removed hidden bin in G4PhysicsVector (V.Ivanchenko) |
---|
[819] | 55 | // |
---|
| 56 | // Class Description: |
---|
| 57 | // |
---|
| 58 | |
---|
| 59 | // ------------------------------------------------------------------- |
---|
| 60 | // |
---|
| 61 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 63 | |
---|
| 64 | #include "G4VEmProcess.hh" |
---|
| 65 | #include "G4LossTableManager.hh" |
---|
| 66 | #include "G4Step.hh" |
---|
| 67 | #include "G4ParticleDefinition.hh" |
---|
| 68 | #include "G4VEmModel.hh" |
---|
| 69 | #include "G4DataVector.hh" |
---|
| 70 | #include "G4PhysicsTable.hh" |
---|
| 71 | #include "G4PhysicsVector.hh" |
---|
| 72 | #include "G4PhysicsLogVector.hh" |
---|
| 73 | #include "G4VParticleChange.hh" |
---|
| 74 | #include "G4ProductionCutsTable.hh" |
---|
| 75 | #include "G4Region.hh" |
---|
| 76 | #include "G4RegionStore.hh" |
---|
| 77 | #include "G4Gamma.hh" |
---|
| 78 | #include "G4Electron.hh" |
---|
| 79 | #include "G4Positron.hh" |
---|
| 80 | #include "G4PhysicsTableHelper.hh" |
---|
[1055] | 81 | #include "G4EmConfigurator.hh" |
---|
[819] | 82 | |
---|
| 83 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 84 | |
---|
| 85 | G4VEmProcess::G4VEmProcess(const G4String& name, G4ProcessType type): |
---|
[961] | 86 | G4VDiscreteProcess(name, type), |
---|
| 87 | secondaryParticle(0), |
---|
| 88 | buildLambdaTable(true), |
---|
[819] | 89 | theLambdaTable(0), |
---|
| 90 | theEnergyOfCrossSectionMax(0), |
---|
| 91 | theCrossSectionMax(0), |
---|
| 92 | integral(false), |
---|
| 93 | applyCuts(false), |
---|
| 94 | startFromNull(true), |
---|
[1055] | 95 | useDeexcitation(false), |
---|
| 96 | nDERegions(0), |
---|
| 97 | idxDERegions(0), |
---|
| 98 | currentModel(0), |
---|
[961] | 99 | particle(0), |
---|
| 100 | currentCouple(0) |
---|
[819] | 101 | { |
---|
| 102 | SetVerboseLevel(1); |
---|
[961] | 103 | |
---|
| 104 | // Size of tables assuming spline |
---|
[819] | 105 | minKinEnergy = 0.1*keV; |
---|
[1055] | 106 | maxKinEnergy = 10.0*TeV; |
---|
| 107 | nLambdaBins = 77; |
---|
[961] | 108 | |
---|
| 109 | // default lambda factor |
---|
| 110 | lambdaFactor = 0.8; |
---|
| 111 | |
---|
| 112 | // default limit on polar angle |
---|
| 113 | polarAngleLimit = 0.0; |
---|
| 114 | |
---|
| 115 | // particle types |
---|
[819] | 116 | theGamma = G4Gamma::Gamma(); |
---|
| 117 | theElectron = G4Electron::Electron(); |
---|
| 118 | thePositron = G4Positron::Positron(); |
---|
| 119 | |
---|
| 120 | pParticleChange = &fParticleChange; |
---|
| 121 | secParticles.reserve(5); |
---|
| 122 | |
---|
| 123 | modelManager = new G4EmModelManager(); |
---|
| 124 | (G4LossTableManager::Instance())->Register(this); |
---|
| 125 | } |
---|
| 126 | |
---|
| 127 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 128 | |
---|
| 129 | G4VEmProcess::~G4VEmProcess() |
---|
| 130 | { |
---|
| 131 | if(1 < verboseLevel) |
---|
| 132 | G4cout << "G4VEmProcess destruct " << GetProcessName() |
---|
| 133 | << G4endl; |
---|
| 134 | Clear(); |
---|
| 135 | if(theLambdaTable) { |
---|
| 136 | theLambdaTable->clearAndDestroy(); |
---|
| 137 | delete theLambdaTable; |
---|
| 138 | } |
---|
| 139 | delete modelManager; |
---|
| 140 | (G4LossTableManager::Instance())->DeRegister(this); |
---|
| 141 | } |
---|
| 142 | |
---|
| 143 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 144 | |
---|
[1055] | 145 | void G4VEmProcess::Clear() |
---|
| 146 | { |
---|
| 147 | delete [] theEnergyOfCrossSectionMax; |
---|
| 148 | delete [] theCrossSectionMax; |
---|
| 149 | delete [] idxDERegions; |
---|
| 150 | theEnergyOfCrossSectionMax = 0; |
---|
| 151 | theCrossSectionMax = 0; |
---|
| 152 | idxDERegions = 0; |
---|
| 153 | currentCouple = 0; |
---|
| 154 | preStepLambda = 0.0; |
---|
| 155 | mfpKinEnergy = DBL_MAX; |
---|
| 156 | deRegions.clear(); |
---|
| 157 | nDERegions = 0; |
---|
| 158 | } |
---|
| 159 | |
---|
| 160 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 161 | |
---|
| 162 | void G4VEmProcess::AddEmModel(G4int order, G4VEmModel* p, |
---|
| 163 | const G4Region* region) |
---|
| 164 | { |
---|
| 165 | G4VEmFluctuationModel* fm = 0; |
---|
| 166 | modelManager->AddEmModel(order, p, fm, region); |
---|
| 167 | if(p) p->SetParticleChange(pParticleChange); |
---|
| 168 | } |
---|
| 169 | |
---|
| 170 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 171 | |
---|
| 172 | void G4VEmProcess::SetModel(G4VEmModel* p, G4int index) |
---|
| 173 | { |
---|
| 174 | G4int n = emModels.size(); |
---|
[1196] | 175 | if(index >= n) { for(G4int i=n; i<=index; ++i) {emModels.push_back(0);} } |
---|
[1055] | 176 | emModels[index] = p; |
---|
| 177 | } |
---|
| 178 | |
---|
| 179 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 180 | |
---|
| 181 | G4VEmModel* G4VEmProcess::Model(G4int index) |
---|
| 182 | { |
---|
| 183 | G4VEmModel* p = 0; |
---|
[1196] | 184 | if(index >= 0 && index < G4int(emModels.size())) { p = emModels[index]; } |
---|
[1055] | 185 | return p; |
---|
| 186 | } |
---|
| 187 | |
---|
| 188 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 189 | |
---|
| 190 | void G4VEmProcess::UpdateEmModel(const G4String& nam, |
---|
| 191 | G4double emin, G4double emax) |
---|
| 192 | { |
---|
| 193 | modelManager->UpdateEmModel(nam, emin, emax); |
---|
| 194 | } |
---|
| 195 | |
---|
| 196 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 197 | |
---|
| 198 | G4VEmModel* G4VEmProcess::GetModelByIndex(G4int idx, G4bool ver) |
---|
| 199 | { |
---|
| 200 | return modelManager->GetModel(idx, ver); |
---|
| 201 | } |
---|
| 202 | |
---|
| 203 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 204 | |
---|
[819] | 205 | void G4VEmProcess::PreparePhysicsTable(const G4ParticleDefinition& part) |
---|
| 206 | { |
---|
| 207 | if(!particle) particle = ∂ |
---|
| 208 | if(1 < verboseLevel) { |
---|
| 209 | G4cout << "G4VEmProcess::PreparePhysicsTable() for " |
---|
| 210 | << GetProcessName() |
---|
| 211 | << " and particle " << part.GetParticleName() |
---|
| 212 | << " local particle " << particle->GetParticleName() |
---|
| 213 | << G4endl; |
---|
| 214 | } |
---|
| 215 | |
---|
[1055] | 216 | (G4LossTableManager::Instance())->EmConfigurator()->AddModels(); |
---|
| 217 | |
---|
[819] | 218 | if(particle == &part) { |
---|
| 219 | Clear(); |
---|
| 220 | InitialiseProcess(particle); |
---|
[1196] | 221 | |
---|
| 222 | // initialisation of models |
---|
| 223 | G4int nmod = modelManager->NumberOfModels(); |
---|
| 224 | for(G4int i=0; i<nmod; ++i) { |
---|
| 225 | G4VEmModel* mod = modelManager->GetModel(i); |
---|
| 226 | mod->SetPolarAngleLimit(polarAngleLimit); |
---|
| 227 | if(mod->HighEnergyLimit() > maxKinEnergy) { |
---|
| 228 | mod->SetHighEnergyLimit(maxKinEnergy); |
---|
| 229 | } |
---|
| 230 | } |
---|
| 231 | |
---|
[819] | 232 | theCuts = modelManager->Initialise(particle,secondaryParticle,2.,verboseLevel); |
---|
| 233 | const G4ProductionCutsTable* theCoupleTable= |
---|
| 234 | G4ProductionCutsTable::GetProductionCutsTable(); |
---|
| 235 | theCutsGamma = theCoupleTable->GetEnergyCutsVector(idxG4GammaCut); |
---|
| 236 | theCutsElectron = theCoupleTable->GetEnergyCutsVector(idxG4ElectronCut); |
---|
| 237 | theCutsPositron = theCoupleTable->GetEnergyCutsVector(idxG4PositronCut); |
---|
[1196] | 238 | |
---|
| 239 | // prepare tables |
---|
[1055] | 240 | if(buildLambdaTable){ |
---|
[819] | 241 | theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable); |
---|
[1055] | 242 | } |
---|
[819] | 243 | } |
---|
[1055] | 244 | // Sub Cutoff and Deexcitation |
---|
| 245 | if (nDERegions>0) { |
---|
[819] | 246 | |
---|
[1055] | 247 | const G4ProductionCutsTable* theCoupleTable= |
---|
| 248 | G4ProductionCutsTable::GetProductionCutsTable(); |
---|
| 249 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
---|
[819] | 250 | |
---|
[1055] | 251 | idxDERegions = new G4bool[numOfCouples]; |
---|
| 252 | |
---|
[1196] | 253 | for (size_t j=0; j<numOfCouples; ++j) { |
---|
[1055] | 254 | |
---|
| 255 | const G4MaterialCutsCouple* couple = |
---|
| 256 | theCoupleTable->GetMaterialCutsCouple(j); |
---|
| 257 | const G4ProductionCuts* pcuts = couple->GetProductionCuts(); |
---|
| 258 | G4bool reg = false; |
---|
[1196] | 259 | for(G4int i=0; i<nDERegions; ++i) { |
---|
[1055] | 260 | if(deRegions[i]) { |
---|
| 261 | if(pcuts == deRegions[i]->GetProductionCuts()) reg = true; |
---|
| 262 | } |
---|
| 263 | } |
---|
| 264 | idxDERegions[j] = reg; |
---|
| 265 | } |
---|
| 266 | } |
---|
| 267 | if (1 < verboseLevel && nDERegions>0) { |
---|
| 268 | G4cout << " Deexcitation is activated for regions: " << G4endl; |
---|
[1196] | 269 | for (G4int i=0; i<nDERegions; ++i) { |
---|
[1055] | 270 | const G4Region* r = deRegions[i]; |
---|
| 271 | G4cout << " " << r->GetName() << G4endl; |
---|
| 272 | } |
---|
| 273 | } |
---|
[819] | 274 | } |
---|
| 275 | |
---|
| 276 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 277 | |
---|
| 278 | void G4VEmProcess::BuildPhysicsTable(const G4ParticleDefinition& part) |
---|
| 279 | { |
---|
[1196] | 280 | G4String partname = part.GetParticleName(); |
---|
[819] | 281 | if(1 < verboseLevel) { |
---|
| 282 | G4cout << "G4VEmProcess::BuildPhysicsTable() for " |
---|
| 283 | << GetProcessName() |
---|
[1196] | 284 | << " and particle " << partname |
---|
[819] | 285 | << " buildLambdaTable= " << buildLambdaTable |
---|
| 286 | << G4endl; |
---|
| 287 | } |
---|
| 288 | |
---|
| 289 | if(buildLambdaTable) { |
---|
| 290 | BuildLambdaTable(); |
---|
| 291 | FindLambdaMax(); |
---|
| 292 | } |
---|
| 293 | |
---|
[1196] | 294 | // reduce printout for nuclear stopping |
---|
| 295 | G4bool gproc = true; |
---|
| 296 | if(GetProcessName() == "nuclearStopping" && |
---|
| 297 | partname != "GenericIon" && partname != "alpha") { gproc = false; } |
---|
| 298 | |
---|
| 299 | if(gproc && 0 < verboseLevel) { PrintInfoDefinition(); } |
---|
| 300 | |
---|
[819] | 301 | if(1 < verboseLevel) { |
---|
| 302 | G4cout << "G4VEmProcess::BuildPhysicsTable() done for " |
---|
| 303 | << GetProcessName() |
---|
[1196] | 304 | << " and particle " << partname |
---|
[819] | 305 | << G4endl; |
---|
| 306 | } |
---|
| 307 | } |
---|
| 308 | |
---|
| 309 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 310 | |
---|
| 311 | void G4VEmProcess::BuildLambdaTable() |
---|
| 312 | { |
---|
| 313 | if(1 < verboseLevel) { |
---|
| 314 | G4cout << "G4EmProcess::BuildLambdaTable() for process " |
---|
| 315 | << GetProcessName() << " and particle " |
---|
| 316 | << particle->GetParticleName() |
---|
| 317 | << G4endl; |
---|
| 318 | } |
---|
| 319 | |
---|
| 320 | // Access to materials |
---|
| 321 | const G4ProductionCutsTable* theCoupleTable= |
---|
| 322 | G4ProductionCutsTable::GetProductionCutsTable(); |
---|
| 323 | size_t numOfCouples = theCoupleTable->GetTableSize(); |
---|
| 324 | |
---|
[1196] | 325 | G4bool splineFlag = (G4LossTableManager::Instance())->SplineFlag(); |
---|
| 326 | |
---|
| 327 | G4PhysicsLogVector* aVector = 0; |
---|
| 328 | G4PhysicsLogVector* bVector = 0; |
---|
| 329 | |
---|
| 330 | for(size_t i=0; i<numOfCouples; ++i) { |
---|
| 331 | |
---|
[819] | 332 | if (theLambdaTable->GetFlag(i)) { |
---|
| 333 | |
---|
| 334 | // create physics vector and fill it |
---|
[1196] | 335 | const G4MaterialCutsCouple* couple = |
---|
| 336 | theCoupleTable->GetMaterialCutsCouple(i); |
---|
| 337 | if(!bVector) { |
---|
| 338 | aVector = |
---|
| 339 | static_cast<G4PhysicsLogVector*>(LambdaPhysicsVector(couple)); |
---|
| 340 | bVector = aVector; |
---|
| 341 | } else { |
---|
| 342 | aVector = new G4PhysicsLogVector(*bVector); |
---|
| 343 | } |
---|
| 344 | // G4PhysicsVector* aVector = LambdaPhysicsVector(couple); |
---|
| 345 | aVector->SetSpline(splineFlag); |
---|
[819] | 346 | modelManager->FillLambdaVector(aVector, couple, startFromNull); |
---|
[1196] | 347 | if(splineFlag) aVector->FillSecondDerivatives(); |
---|
[819] | 348 | G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector); |
---|
| 349 | } |
---|
| 350 | } |
---|
| 351 | |
---|
| 352 | if(1 < verboseLevel) { |
---|
| 353 | G4cout << "Lambda table is built for " |
---|
| 354 | << particle->GetParticleName() |
---|
| 355 | << G4endl; |
---|
| 356 | if(2 < verboseLevel) { |
---|
| 357 | G4cout << *theLambdaTable << G4endl; |
---|
| 358 | } |
---|
| 359 | } |
---|
| 360 | } |
---|
| 361 | |
---|
| 362 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 363 | |
---|
[1055] | 364 | void G4VEmProcess::PrintInfoDefinition() |
---|
| 365 | { |
---|
| 366 | if(verboseLevel > 0) { |
---|
| 367 | G4cout << G4endl << GetProcessName() << ": for " |
---|
| 368 | << particle->GetParticleName(); |
---|
| 369 | if(integral) G4cout << ", integral: 1 "; |
---|
| 370 | if(applyCuts) G4cout << ", applyCuts: 1 "; |
---|
| 371 | G4cout << " SubType= " << GetProcessSubType() << G4endl; |
---|
| 372 | if(buildLambdaTable) { |
---|
| 373 | G4cout << " Lambda tables from " |
---|
| 374 | << G4BestUnit(minKinEnergy,"Energy") |
---|
| 375 | << " to " |
---|
| 376 | << G4BestUnit(maxKinEnergy,"Energy") |
---|
| 377 | << " in " << nLambdaBins << " bins, spline: " |
---|
| 378 | << (G4LossTableManager::Instance())->SplineFlag() |
---|
| 379 | << G4endl; |
---|
| 380 | } |
---|
| 381 | PrintInfo(); |
---|
| 382 | modelManager->DumpModelList(verboseLevel); |
---|
| 383 | } |
---|
| 384 | |
---|
| 385 | if(verboseLevel > 2 && buildLambdaTable) { |
---|
| 386 | G4cout << " LambdaTable address= " << theLambdaTable << G4endl; |
---|
| 387 | if(theLambdaTable) G4cout << (*theLambdaTable) << G4endl; |
---|
| 388 | } |
---|
| 389 | } |
---|
| 390 | |
---|
| 391 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 392 | |
---|
[819] | 393 | G4double G4VEmProcess::PostStepGetPhysicalInteractionLength( |
---|
| 394 | const G4Track& track, |
---|
| 395 | G4double previousStepSize, |
---|
| 396 | G4ForceCondition* condition) |
---|
| 397 | { |
---|
| 398 | // condition is set to "Not Forced" |
---|
| 399 | *condition = NotForced; |
---|
| 400 | G4double x = DBL_MAX; |
---|
| 401 | if(previousStepSize <= DBL_MIN) theNumberOfInteractionLengthLeft = -1.0; |
---|
| 402 | InitialiseStep(track); |
---|
[1196] | 403 | if(!currentModel->IsActive(preStepKinEnergy)) return x; |
---|
[819] | 404 | |
---|
| 405 | if(preStepKinEnergy < mfpKinEnergy) { |
---|
| 406 | if (integral) ComputeIntegralLambda(preStepKinEnergy); |
---|
| 407 | else preStepLambda = GetCurrentLambda(preStepKinEnergy); |
---|
| 408 | if(preStepLambda <= DBL_MIN) mfpKinEnergy = 0.0; |
---|
| 409 | } |
---|
| 410 | |
---|
| 411 | // non-zero cross section |
---|
| 412 | if(preStepLambda > DBL_MIN) { |
---|
| 413 | if (theNumberOfInteractionLengthLeft < 0.0) { |
---|
| 414 | // beggining of tracking (or just after DoIt of this process) |
---|
| 415 | ResetNumberOfInteractionLengthLeft(); |
---|
| 416 | } else if(currentInteractionLength < DBL_MAX) { |
---|
| 417 | // subtract NumberOfInteractionLengthLeft |
---|
| 418 | SubtractNumberOfInteractionLengthLeft(previousStepSize); |
---|
| 419 | if(theNumberOfInteractionLengthLeft < 0.) |
---|
| 420 | theNumberOfInteractionLengthLeft = perMillion; |
---|
| 421 | } |
---|
| 422 | |
---|
| 423 | // get mean free path and step limit |
---|
| 424 | currentInteractionLength = 1.0/preStepLambda; |
---|
| 425 | x = theNumberOfInteractionLengthLeft * currentInteractionLength; |
---|
| 426 | #ifdef G4VERBOSE |
---|
| 427 | if (verboseLevel>2){ |
---|
| 428 | G4cout << "G4VEmProcess::PostStepGetPhysicalInteractionLength "; |
---|
| 429 | G4cout << "[ " << GetProcessName() << "]" << G4endl; |
---|
| 430 | G4cout << " for " << particle->GetParticleName() |
---|
| 431 | << " in Material " << currentMaterial->GetName() |
---|
| 432 | << " Ekin(MeV)= " << preStepKinEnergy/MeV |
---|
| 433 | <<G4endl; |
---|
| 434 | G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]" |
---|
| 435 | << "InteractionLength= " << x/cm <<"[cm] " <<G4endl; |
---|
| 436 | } |
---|
| 437 | #endif |
---|
| 438 | |
---|
| 439 | // zero cross section case |
---|
| 440 | } else { |
---|
| 441 | if(theNumberOfInteractionLengthLeft > DBL_MIN && |
---|
| 442 | currentInteractionLength < DBL_MAX) { |
---|
| 443 | |
---|
| 444 | // subtract NumberOfInteractionLengthLeft |
---|
| 445 | SubtractNumberOfInteractionLengthLeft(previousStepSize); |
---|
| 446 | if(theNumberOfInteractionLengthLeft < 0.) |
---|
| 447 | theNumberOfInteractionLengthLeft = perMillion; |
---|
| 448 | } |
---|
| 449 | currentInteractionLength = DBL_MAX; |
---|
| 450 | } |
---|
| 451 | return x; |
---|
| 452 | } |
---|
| 453 | |
---|
| 454 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 455 | |
---|
| 456 | G4VParticleChange* G4VEmProcess::PostStepDoIt(const G4Track& track, |
---|
| 457 | const G4Step&) |
---|
| 458 | { |
---|
| 459 | fParticleChange.InitializeForPostStep(track); |
---|
| 460 | |
---|
| 461 | // Do not make anything if particle is stopped, the annihilation then |
---|
| 462 | // should be performed by the AtRestDoIt! |
---|
| 463 | if (track.GetTrackStatus() == fStopButAlive) return &fParticleChange; |
---|
| 464 | |
---|
| 465 | G4double finalT = track.GetKineticEnergy(); |
---|
| 466 | |
---|
| 467 | // Integral approach |
---|
| 468 | if (integral) { |
---|
| 469 | G4double lx = GetLambda(finalT, currentCouple); |
---|
| 470 | if(preStepLambda<lx && 1 < verboseLevel) { |
---|
| 471 | G4cout << "WARING: for " << particle->GetParticleName() |
---|
| 472 | << " and " << GetProcessName() |
---|
| 473 | << " E(MeV)= " << finalT/MeV |
---|
| 474 | << " preLambda= " << preStepLambda << " < " << lx << " (postLambda) " |
---|
| 475 | << G4endl; |
---|
| 476 | } |
---|
| 477 | |
---|
| 478 | if(preStepLambda*G4UniformRand() > lx) { |
---|
| 479 | ClearNumberOfInteractionLengthLeft(); |
---|
| 480 | return &fParticleChange; |
---|
| 481 | } |
---|
| 482 | } |
---|
| 483 | |
---|
[1196] | 484 | SelectModel(finalT, currentCoupleIndex); |
---|
| 485 | if(!currentModel->IsActive(finalT)) return &fParticleChange; |
---|
[1055] | 486 | if(useDeexcitation) { |
---|
[1196] | 487 | currentModel->SetDeexcitationFlag(idxDERegions[currentCoupleIndex]); |
---|
[1055] | 488 | } |
---|
[819] | 489 | /* |
---|
| 490 | if(0 < verboseLevel) { |
---|
| 491 | G4cout << "G4VEmProcess::PostStepDoIt: Sample secondary; E= " |
---|
| 492 | << finalT/MeV |
---|
| 493 | << " MeV; model= (" << currentModel->LowEnergyLimit() |
---|
| 494 | << ", " << currentModel->HighEnergyLimit() << ")" |
---|
| 495 | << G4endl; |
---|
| 496 | } |
---|
| 497 | */ |
---|
| 498 | |
---|
| 499 | |
---|
| 500 | // sample secondaries |
---|
| 501 | secParticles.clear(); |
---|
| 502 | currentModel->SampleSecondaries(&secParticles, |
---|
| 503 | currentCouple, |
---|
| 504 | track.GetDynamicParticle(), |
---|
[1196] | 505 | (*theCuts)[currentCoupleIndex]); |
---|
[819] | 506 | |
---|
| 507 | // save secondaries |
---|
| 508 | G4int num = secParticles.size(); |
---|
| 509 | if(num > 0) { |
---|
| 510 | |
---|
| 511 | fParticleChange.SetNumberOfSecondaries(num); |
---|
| 512 | G4double edep = fParticleChange.GetLocalEnergyDeposit(); |
---|
| 513 | |
---|
[1196] | 514 | for (G4int i=0; i<num; ++i) { |
---|
[819] | 515 | G4DynamicParticle* dp = secParticles[i]; |
---|
| 516 | const G4ParticleDefinition* p = dp->GetDefinition(); |
---|
| 517 | G4double e = dp->GetKineticEnergy(); |
---|
| 518 | G4bool good = true; |
---|
| 519 | if(applyCuts) { |
---|
| 520 | if (p == theGamma) { |
---|
[1196] | 521 | if (e < (*theCutsGamma)[currentCoupleIndex]) good = false; |
---|
[819] | 522 | |
---|
| 523 | } else if (p == theElectron) { |
---|
[1196] | 524 | if (e < (*theCutsElectron)[currentCoupleIndex]) good = false; |
---|
[819] | 525 | |
---|
| 526 | } else if (p == thePositron) { |
---|
[1196] | 527 | if (electron_mass_c2 < (*theCutsGamma)[currentCoupleIndex] && |
---|
| 528 | e < (*theCutsPositron)[currentCoupleIndex]) { |
---|
[819] | 529 | good = false; |
---|
| 530 | e += 2.0*electron_mass_c2; |
---|
| 531 | } |
---|
| 532 | } |
---|
| 533 | if(!good) { |
---|
| 534 | delete dp; |
---|
| 535 | edep += e; |
---|
| 536 | } |
---|
| 537 | } |
---|
| 538 | if (good) fParticleChange.AddSecondary(dp); |
---|
| 539 | } |
---|
| 540 | fParticleChange.ProposeLocalEnergyDeposit(edep); |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | ClearNumberOfInteractionLengthLeft(); |
---|
| 544 | return &fParticleChange; |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 548 | |
---|
| 549 | G4bool G4VEmProcess::StorePhysicsTable(const G4ParticleDefinition* part, |
---|
| 550 | const G4String& directory, |
---|
| 551 | G4bool ascii) |
---|
| 552 | { |
---|
| 553 | G4bool yes = true; |
---|
| 554 | |
---|
| 555 | if ( theLambdaTable && part == particle) { |
---|
| 556 | const G4String name = |
---|
| 557 | GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
---|
| 558 | yes = theLambdaTable->StorePhysicsTable(name,ascii); |
---|
| 559 | |
---|
| 560 | if ( yes ) { |
---|
| 561 | G4cout << "Physics tables are stored for " << particle->GetParticleName() |
---|
| 562 | << " and process " << GetProcessName() |
---|
| 563 | << " in the directory <" << directory |
---|
| 564 | << "> " << G4endl; |
---|
| 565 | } else { |
---|
| 566 | G4cout << "Fail to store Physics Tables for " |
---|
| 567 | << particle->GetParticleName() |
---|
| 568 | << " and process " << GetProcessName() |
---|
| 569 | << " in the directory <" << directory |
---|
| 570 | << "> " << G4endl; |
---|
| 571 | } |
---|
| 572 | } |
---|
| 573 | return yes; |
---|
| 574 | } |
---|
| 575 | |
---|
| 576 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo..... |
---|
| 577 | |
---|
| 578 | G4bool G4VEmProcess::RetrievePhysicsTable(const G4ParticleDefinition* part, |
---|
| 579 | const G4String& directory, |
---|
[1196] | 580 | G4bool ascii) |
---|
[819] | 581 | { |
---|
| 582 | if(1 < verboseLevel) { |
---|
| 583 | G4cout << "G4VEmProcess::RetrievePhysicsTable() for " |
---|
| 584 | << part->GetParticleName() << " and process " |
---|
| 585 | << GetProcessName() << G4endl; |
---|
| 586 | } |
---|
| 587 | G4bool yes = true; |
---|
| 588 | |
---|
| 589 | if(!buildLambdaTable || particle != part) return yes; |
---|
| 590 | |
---|
| 591 | const G4String particleName = part->GetParticleName(); |
---|
| 592 | G4String filename; |
---|
| 593 | |
---|
| 594 | filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii); |
---|
| 595 | yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable, |
---|
| 596 | filename,ascii); |
---|
| 597 | if ( yes ) { |
---|
| 598 | if (0 < verboseLevel) { |
---|
[1196] | 599 | G4cout << "Lambda table for " << particleName |
---|
| 600 | << " is Retrieved from <" |
---|
[819] | 601 | << filename << ">" |
---|
| 602 | << G4endl; |
---|
| 603 | } |
---|
[961] | 604 | if((G4LossTableManager::Instance())->SplineFlag()) { |
---|
| 605 | size_t n = theLambdaTable->length(); |
---|
[1196] | 606 | for(size_t i=0; i<n; ++i) { |
---|
| 607 | if((* theLambdaTable)[i]) { |
---|
| 608 | (* theLambdaTable)[i]->SetSpline(true); |
---|
| 609 | } |
---|
| 610 | } |
---|
[961] | 611 | } |
---|
[819] | 612 | } else { |
---|
| 613 | if (1 < verboseLevel) { |
---|
| 614 | G4cout << "Lambda table for " << particleName << " in file <" |
---|
| 615 | << filename << "> is not exist" |
---|
| 616 | << G4endl; |
---|
| 617 | } |
---|
| 618 | } |
---|
| 619 | |
---|
| 620 | return yes; |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 624 | |
---|
[1055] | 625 | void G4VEmProcess::ActivateDeexcitation(G4bool val, const G4Region* r) |
---|
| 626 | { |
---|
| 627 | G4RegionStore* regionStore = G4RegionStore::GetInstance(); |
---|
| 628 | const G4Region* reg = r; |
---|
| 629 | if (!reg) {reg = regionStore->GetRegion("DefaultRegionForTheWorld", false);} |
---|
| 630 | |
---|
| 631 | // the region is in the list |
---|
| 632 | if (nDERegions) { |
---|
[1196] | 633 | for (G4int i=0; i<nDERegions; ++i) { |
---|
[1055] | 634 | if (reg == deRegions[i]) { |
---|
| 635 | if(!val) deRegions[i] = 0; |
---|
| 636 | return; |
---|
| 637 | } |
---|
| 638 | } |
---|
| 639 | } |
---|
| 640 | |
---|
| 641 | // new region |
---|
| 642 | if(val) { |
---|
| 643 | useDeexcitation = true; |
---|
| 644 | deRegions.push_back(reg); |
---|
| 645 | nDERegions++; |
---|
| 646 | } else { |
---|
| 647 | useDeexcitation = false; |
---|
| 648 | } |
---|
| 649 | } |
---|
| 650 | |
---|
| 651 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 652 | |
---|
| 653 | G4double G4VEmProcess::CrossSectionPerVolume(G4double kineticEnergy, |
---|
| 654 | const G4MaterialCutsCouple* couple) |
---|
| 655 | { |
---|
| 656 | // Cross section per atom is calculated |
---|
| 657 | DefineMaterial(couple); |
---|
| 658 | G4double cross = 0.0; |
---|
| 659 | if(theLambdaTable) { |
---|
[1196] | 660 | cross = (((*theLambdaTable)[currentCoupleIndex])->Value(kineticEnergy)); |
---|
[1055] | 661 | } else { |
---|
[1196] | 662 | SelectModel(kineticEnergy, currentCoupleIndex); |
---|
[1055] | 663 | cross = currentModel->CrossSectionPerVolume(currentMaterial, |
---|
| 664 | particle,kineticEnergy); |
---|
| 665 | } |
---|
| 666 | |
---|
| 667 | return cross; |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 671 | |
---|
| 672 | G4double G4VEmProcess::GetMeanFreePath(const G4Track& track, |
---|
| 673 | G4double, |
---|
| 674 | G4ForceCondition* condition) |
---|
| 675 | { |
---|
| 676 | *condition = NotForced; |
---|
| 677 | return G4VEmProcess::MeanFreePath(track); |
---|
| 678 | } |
---|
| 679 | |
---|
| 680 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 681 | |
---|
[819] | 682 | void G4VEmProcess::FindLambdaMax() |
---|
| 683 | { |
---|
| 684 | if(1 < verboseLevel) { |
---|
| 685 | G4cout << "### G4VEmProcess::FindLambdaMax: " |
---|
| 686 | << particle->GetParticleName() |
---|
| 687 | << " and process " << GetProcessName() << G4endl; |
---|
| 688 | } |
---|
| 689 | size_t n = theLambdaTable->length(); |
---|
| 690 | G4PhysicsVector* pv = (*theLambdaTable)[0]; |
---|
| 691 | G4double e, s, emax, smax; |
---|
| 692 | theEnergyOfCrossSectionMax = new G4double [n]; |
---|
| 693 | theCrossSectionMax = new G4double [n]; |
---|
| 694 | |
---|
[1196] | 695 | for (size_t i=0; i<n; ++i) { |
---|
[819] | 696 | pv = (*theLambdaTable)[i]; |
---|
| 697 | emax = DBL_MAX; |
---|
| 698 | smax = 0.0; |
---|
| 699 | if(pv) { |
---|
| 700 | size_t nb = pv->GetVectorLength(); |
---|
[1196] | 701 | emax = DBL_MAX; |
---|
[819] | 702 | smax = 0.0; |
---|
[1196] | 703 | if(nb > 0) { |
---|
| 704 | for (size_t j=0; j<nb; ++j) { |
---|
| 705 | e = pv->Energy(j); |
---|
| 706 | s = (*pv)(j); |
---|
| 707 | if(s > smax) { |
---|
| 708 | smax = s; |
---|
| 709 | emax = e; |
---|
| 710 | } |
---|
[819] | 711 | } |
---|
| 712 | } |
---|
| 713 | } |
---|
| 714 | theEnergyOfCrossSectionMax[i] = emax; |
---|
| 715 | theCrossSectionMax[i] = smax; |
---|
| 716 | if(2 < verboseLevel) { |
---|
| 717 | G4cout << "For " << particle->GetParticleName() |
---|
| 718 | << " Max CS at i= " << i << " emax(MeV)= " << emax/MeV |
---|
| 719 | << " lambda= " << smax << G4endl; |
---|
| 720 | } |
---|
| 721 | } |
---|
| 722 | } |
---|
| 723 | |
---|
| 724 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
| 725 | |
---|
| 726 | G4PhysicsVector* G4VEmProcess::LambdaPhysicsVector(const G4MaterialCutsCouple*) |
---|
| 727 | { |
---|
| 728 | G4PhysicsVector* v = |
---|
| 729 | new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nLambdaBins); |
---|
[961] | 730 | v->SetSpline((G4LossTableManager::Instance())->SplineFlag()); |
---|
[819] | 731 | return v; |
---|
| 732 | } |
---|
| 733 | |
---|
| 734 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|