| 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 | //
|
|---|
| 26 | // $Id: G4VEmProcess.cc,v 1.66 2009/04/17 10:35:32 vnivanch Exp $
|
|---|
| 27 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $
|
|---|
| 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)
|
|---|
| 54 | //
|
|---|
| 55 | // Class Description:
|
|---|
| 56 | //
|
|---|
| 57 |
|
|---|
| 58 | // -------------------------------------------------------------------
|
|---|
| 59 | //
|
|---|
| 60 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 61 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 62 |
|
|---|
| 63 | #include "G4VEmProcess.hh"
|
|---|
| 64 | #include "G4LossTableManager.hh"
|
|---|
| 65 | #include "G4Step.hh"
|
|---|
| 66 | #include "G4ParticleDefinition.hh"
|
|---|
| 67 | #include "G4VEmModel.hh"
|
|---|
| 68 | #include "G4DataVector.hh"
|
|---|
| 69 | #include "G4PhysicsTable.hh"
|
|---|
| 70 | #include "G4PhysicsVector.hh"
|
|---|
| 71 | #include "G4PhysicsLogVector.hh"
|
|---|
| 72 | #include "G4VParticleChange.hh"
|
|---|
| 73 | #include "G4ProductionCutsTable.hh"
|
|---|
| 74 | #include "G4Region.hh"
|
|---|
| 75 | #include "G4RegionStore.hh"
|
|---|
| 76 | #include "G4Gamma.hh"
|
|---|
| 77 | #include "G4Electron.hh"
|
|---|
| 78 | #include "G4Positron.hh"
|
|---|
| 79 | #include "G4PhysicsTableHelper.hh"
|
|---|
| 80 | #include "G4EmConfigurator.hh"
|
|---|
| 81 |
|
|---|
| 82 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 83 |
|
|---|
| 84 | G4VEmProcess::G4VEmProcess(const G4String& name, G4ProcessType type):
|
|---|
| 85 | G4VDiscreteProcess(name, type),
|
|---|
| 86 | secondaryParticle(0),
|
|---|
| 87 | buildLambdaTable(true),
|
|---|
| 88 | theLambdaTable(0),
|
|---|
| 89 | theEnergyOfCrossSectionMax(0),
|
|---|
| 90 | theCrossSectionMax(0),
|
|---|
| 91 | integral(false),
|
|---|
| 92 | applyCuts(false),
|
|---|
| 93 | startFromNull(true),
|
|---|
| 94 | useDeexcitation(false),
|
|---|
| 95 | nDERegions(0),
|
|---|
| 96 | idxDERegions(0),
|
|---|
| 97 | currentModel(0),
|
|---|
| 98 | particle(0),
|
|---|
| 99 | currentCouple(0)
|
|---|
| 100 | {
|
|---|
| 101 | SetVerboseLevel(1);
|
|---|
| 102 |
|
|---|
| 103 | // Size of tables assuming spline
|
|---|
| 104 | minKinEnergy = 0.1*keV;
|
|---|
| 105 | maxKinEnergy = 10.0*TeV;
|
|---|
| 106 | nLambdaBins = 77;
|
|---|
| 107 |
|
|---|
| 108 | // default lambda factor
|
|---|
| 109 | lambdaFactor = 0.8;
|
|---|
| 110 |
|
|---|
| 111 | // default limit on polar angle
|
|---|
| 112 | polarAngleLimit = 0.0;
|
|---|
| 113 |
|
|---|
| 114 | // particle types
|
|---|
| 115 | theGamma = G4Gamma::Gamma();
|
|---|
| 116 | theElectron = G4Electron::Electron();
|
|---|
| 117 | thePositron = G4Positron::Positron();
|
|---|
| 118 |
|
|---|
| 119 | pParticleChange = &fParticleChange;
|
|---|
| 120 | secParticles.reserve(5);
|
|---|
| 121 |
|
|---|
| 122 | modelManager = new G4EmModelManager();
|
|---|
| 123 | (G4LossTableManager::Instance())->Register(this);
|
|---|
| 124 | }
|
|---|
| 125 |
|
|---|
| 126 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 127 |
|
|---|
| 128 | G4VEmProcess::~G4VEmProcess()
|
|---|
| 129 | {
|
|---|
| 130 | if(1 < verboseLevel)
|
|---|
| 131 | G4cout << "G4VEmProcess destruct " << GetProcessName()
|
|---|
| 132 | << G4endl;
|
|---|
| 133 | Clear();
|
|---|
| 134 | if(theLambdaTable) {
|
|---|
| 135 | theLambdaTable->clearAndDestroy();
|
|---|
| 136 | delete theLambdaTable;
|
|---|
| 137 | }
|
|---|
| 138 | delete modelManager;
|
|---|
| 139 | (G4LossTableManager::Instance())->DeRegister(this);
|
|---|
| 140 | }
|
|---|
| 141 |
|
|---|
| 142 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 143 |
|
|---|
| 144 | void G4VEmProcess::Clear()
|
|---|
| 145 | {
|
|---|
| 146 | delete [] theEnergyOfCrossSectionMax;
|
|---|
| 147 | delete [] theCrossSectionMax;
|
|---|
| 148 | delete [] idxDERegions;
|
|---|
| 149 | theEnergyOfCrossSectionMax = 0;
|
|---|
| 150 | theCrossSectionMax = 0;
|
|---|
| 151 | idxDERegions = 0;
|
|---|
| 152 | currentCouple = 0;
|
|---|
| 153 | preStepLambda = 0.0;
|
|---|
| 154 | mfpKinEnergy = DBL_MAX;
|
|---|
| 155 | deRegions.clear();
|
|---|
| 156 | nDERegions = 0;
|
|---|
| 157 | }
|
|---|
| 158 |
|
|---|
| 159 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 160 |
|
|---|
| 161 | void G4VEmProcess::AddEmModel(G4int order, G4VEmModel* p,
|
|---|
| 162 | const G4Region* region)
|
|---|
| 163 | {
|
|---|
| 164 | G4VEmFluctuationModel* fm = 0;
|
|---|
| 165 | modelManager->AddEmModel(order, p, fm, region);
|
|---|
| 166 | if(p) p->SetParticleChange(pParticleChange);
|
|---|
| 167 | }
|
|---|
| 168 |
|
|---|
| 169 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 170 |
|
|---|
| 171 | void G4VEmProcess::SetModel(G4VEmModel* p, G4int index)
|
|---|
| 172 | {
|
|---|
| 173 | G4int n = emModels.size();
|
|---|
| 174 | if(index >= n) for(G4int i=n; i<index+1; i++) {emModels.push_back(0);}
|
|---|
| 175 | emModels[index] = p;
|
|---|
| 176 | }
|
|---|
| 177 |
|
|---|
| 178 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 179 |
|
|---|
| 180 | G4VEmModel* G4VEmProcess::Model(G4int index)
|
|---|
| 181 | {
|
|---|
| 182 | G4VEmModel* p = 0;
|
|---|
| 183 | if(index >= 0 && index < G4int(emModels.size())) p = emModels[index];
|
|---|
| 184 | return p;
|
|---|
| 185 | }
|
|---|
| 186 |
|
|---|
| 187 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 188 |
|
|---|
| 189 | void G4VEmProcess::UpdateEmModel(const G4String& nam,
|
|---|
| 190 | G4double emin, G4double emax)
|
|---|
| 191 | {
|
|---|
| 192 | modelManager->UpdateEmModel(nam, emin, emax);
|
|---|
| 193 | }
|
|---|
| 194 |
|
|---|
| 195 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 196 |
|
|---|
| 197 | G4VEmModel* G4VEmProcess::GetModelByIndex(G4int idx, G4bool ver)
|
|---|
| 198 | {
|
|---|
| 199 | return modelManager->GetModel(idx, ver);
|
|---|
| 200 | }
|
|---|
| 201 |
|
|---|
| 202 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 203 |
|
|---|
| 204 | void G4VEmProcess::PreparePhysicsTable(const G4ParticleDefinition& part)
|
|---|
| 205 | {
|
|---|
| 206 | if(!particle) particle = ∂
|
|---|
| 207 | if(1 < verboseLevel) {
|
|---|
| 208 | G4cout << "G4VEmProcess::PreparePhysicsTable() for "
|
|---|
| 209 | << GetProcessName()
|
|---|
| 210 | << " and particle " << part.GetParticleName()
|
|---|
| 211 | << " local particle " << particle->GetParticleName()
|
|---|
| 212 | << G4endl;
|
|---|
| 213 | }
|
|---|
| 214 |
|
|---|
| 215 | (G4LossTableManager::Instance())->EmConfigurator()->AddModels();
|
|---|
| 216 |
|
|---|
| 217 | if(particle == &part) {
|
|---|
| 218 | Clear();
|
|---|
| 219 | InitialiseProcess(particle);
|
|---|
| 220 | theCuts = modelManager->Initialise(particle,secondaryParticle,2.,verboseLevel);
|
|---|
| 221 | const G4ProductionCutsTable* theCoupleTable=
|
|---|
| 222 | G4ProductionCutsTable::GetProductionCutsTable();
|
|---|
| 223 | theCutsGamma = theCoupleTable->GetEnergyCutsVector(idxG4GammaCut);
|
|---|
| 224 | theCutsElectron = theCoupleTable->GetEnergyCutsVector(idxG4ElectronCut);
|
|---|
| 225 | theCutsPositron = theCoupleTable->GetEnergyCutsVector(idxG4PositronCut);
|
|---|
| 226 | if(buildLambdaTable){
|
|---|
| 227 | theLambdaTable = G4PhysicsTableHelper::PreparePhysicsTable(theLambdaTable);
|
|---|
| 228 | }
|
|---|
| 229 | }
|
|---|
| 230 | // Sub Cutoff and Deexcitation
|
|---|
| 231 | if (nDERegions>0) {
|
|---|
| 232 |
|
|---|
| 233 | const G4ProductionCutsTable* theCoupleTable=
|
|---|
| 234 | G4ProductionCutsTable::GetProductionCutsTable();
|
|---|
| 235 | size_t numOfCouples = theCoupleTable->GetTableSize();
|
|---|
| 236 |
|
|---|
| 237 | idxDERegions = new G4bool[numOfCouples];
|
|---|
| 238 |
|
|---|
| 239 | for (size_t j=0; j<numOfCouples; j++) {
|
|---|
| 240 |
|
|---|
| 241 | const G4MaterialCutsCouple* couple =
|
|---|
| 242 | theCoupleTable->GetMaterialCutsCouple(j);
|
|---|
| 243 | const G4ProductionCuts* pcuts = couple->GetProductionCuts();
|
|---|
| 244 | G4bool reg = false;
|
|---|
| 245 | for(G4int i=0; i<nDERegions; i++) {
|
|---|
| 246 | if(deRegions[i]) {
|
|---|
| 247 | if(pcuts == deRegions[i]->GetProductionCuts()) reg = true;
|
|---|
| 248 | }
|
|---|
| 249 | }
|
|---|
| 250 | idxDERegions[j] = reg;
|
|---|
| 251 | }
|
|---|
| 252 | }
|
|---|
| 253 | if (1 < verboseLevel && nDERegions>0) {
|
|---|
| 254 | G4cout << " Deexcitation is activated for regions: " << G4endl;
|
|---|
| 255 | for (G4int i=0; i<nDERegions; i++) {
|
|---|
| 256 | const G4Region* r = deRegions[i];
|
|---|
| 257 | G4cout << " " << r->GetName() << G4endl;
|
|---|
| 258 | }
|
|---|
| 259 | }
|
|---|
| 260 | }
|
|---|
| 261 |
|
|---|
| 262 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 263 |
|
|---|
| 264 | void G4VEmProcess::BuildPhysicsTable(const G4ParticleDefinition& part)
|
|---|
| 265 | {
|
|---|
| 266 | if(1 < verboseLevel) {
|
|---|
| 267 | G4cout << "G4VEmProcess::BuildPhysicsTable() for "
|
|---|
| 268 | << GetProcessName()
|
|---|
| 269 | << " and particle " << part.GetParticleName()
|
|---|
| 270 | << " buildLambdaTable= " << buildLambdaTable
|
|---|
| 271 | << G4endl;
|
|---|
| 272 | }
|
|---|
| 273 |
|
|---|
| 274 | if(buildLambdaTable) {
|
|---|
| 275 | BuildLambdaTable();
|
|---|
| 276 | FindLambdaMax();
|
|---|
| 277 | }
|
|---|
| 278 | if(0 < verboseLevel) PrintInfoDefinition();
|
|---|
| 279 |
|
|---|
| 280 | if(1 < verboseLevel) {
|
|---|
| 281 | G4cout << "G4VEmProcess::BuildPhysicsTable() done for "
|
|---|
| 282 | << GetProcessName()
|
|---|
| 283 | << " and particle " << part.GetParticleName()
|
|---|
| 284 | << G4endl;
|
|---|
| 285 | }
|
|---|
| 286 | }
|
|---|
| 287 |
|
|---|
| 288 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 289 |
|
|---|
| 290 | void G4VEmProcess::BuildLambdaTable()
|
|---|
| 291 | {
|
|---|
| 292 | if(1 < verboseLevel) {
|
|---|
| 293 | G4cout << "G4EmProcess::BuildLambdaTable() for process "
|
|---|
| 294 | << GetProcessName() << " and particle "
|
|---|
| 295 | << particle->GetParticleName()
|
|---|
| 296 | << G4endl;
|
|---|
| 297 | }
|
|---|
| 298 |
|
|---|
| 299 | // Access to materials
|
|---|
| 300 | const G4ProductionCutsTable* theCoupleTable=
|
|---|
| 301 | G4ProductionCutsTable::GetProductionCutsTable();
|
|---|
| 302 | size_t numOfCouples = theCoupleTable->GetTableSize();
|
|---|
| 303 | for(size_t i=0; i<numOfCouples; i++) {
|
|---|
| 304 |
|
|---|
| 305 | if (theLambdaTable->GetFlag(i)) {
|
|---|
| 306 |
|
|---|
| 307 | // create physics vector and fill it
|
|---|
| 308 | const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(i);
|
|---|
| 309 | G4PhysicsVector* aVector = LambdaPhysicsVector(couple);
|
|---|
| 310 | modelManager->FillLambdaVector(aVector, couple, startFromNull);
|
|---|
| 311 | G4PhysicsTableHelper::SetPhysicsVector(theLambdaTable, i, aVector);
|
|---|
| 312 | }
|
|---|
| 313 | }
|
|---|
| 314 |
|
|---|
| 315 | if(1 < verboseLevel) {
|
|---|
| 316 | G4cout << "Lambda table is built for "
|
|---|
| 317 | << particle->GetParticleName()
|
|---|
| 318 | << G4endl;
|
|---|
| 319 | if(2 < verboseLevel) {
|
|---|
| 320 | G4cout << *theLambdaTable << G4endl;
|
|---|
| 321 | }
|
|---|
| 322 | }
|
|---|
| 323 | }
|
|---|
| 324 |
|
|---|
| 325 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 326 |
|
|---|
| 327 | void G4VEmProcess::PrintInfoDefinition()
|
|---|
| 328 | {
|
|---|
| 329 | if(verboseLevel > 0) {
|
|---|
| 330 | G4cout << G4endl << GetProcessName() << ": for "
|
|---|
| 331 | << particle->GetParticleName();
|
|---|
| 332 | if(integral) G4cout << ", integral: 1 ";
|
|---|
| 333 | if(applyCuts) G4cout << ", applyCuts: 1 ";
|
|---|
| 334 | G4cout << " SubType= " << GetProcessSubType() << G4endl;
|
|---|
| 335 | if(buildLambdaTable) {
|
|---|
| 336 | G4cout << " Lambda tables from "
|
|---|
| 337 | << G4BestUnit(minKinEnergy,"Energy")
|
|---|
| 338 | << " to "
|
|---|
| 339 | << G4BestUnit(maxKinEnergy,"Energy")
|
|---|
| 340 | << " in " << nLambdaBins << " bins, spline: "
|
|---|
| 341 | << (G4LossTableManager::Instance())->SplineFlag()
|
|---|
| 342 | << G4endl;
|
|---|
| 343 | }
|
|---|
| 344 | PrintInfo();
|
|---|
| 345 | modelManager->DumpModelList(verboseLevel);
|
|---|
| 346 | }
|
|---|
| 347 |
|
|---|
| 348 | if(verboseLevel > 2 && buildLambdaTable) {
|
|---|
| 349 | G4cout << " LambdaTable address= " << theLambdaTable << G4endl;
|
|---|
| 350 | if(theLambdaTable) G4cout << (*theLambdaTable) << G4endl;
|
|---|
| 351 | }
|
|---|
| 352 | }
|
|---|
| 353 |
|
|---|
| 354 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 355 |
|
|---|
| 356 | G4double G4VEmProcess::PostStepGetPhysicalInteractionLength(
|
|---|
| 357 | const G4Track& track,
|
|---|
| 358 | G4double previousStepSize,
|
|---|
| 359 | G4ForceCondition* condition)
|
|---|
| 360 | {
|
|---|
| 361 | // condition is set to "Not Forced"
|
|---|
| 362 | *condition = NotForced;
|
|---|
| 363 | G4double x = DBL_MAX;
|
|---|
| 364 | if(previousStepSize <= DBL_MIN) theNumberOfInteractionLengthLeft = -1.0;
|
|---|
| 365 | InitialiseStep(track);
|
|---|
| 366 |
|
|---|
| 367 | if(preStepKinEnergy < mfpKinEnergy) {
|
|---|
| 368 | if (integral) ComputeIntegralLambda(preStepKinEnergy);
|
|---|
| 369 | else preStepLambda = GetCurrentLambda(preStepKinEnergy);
|
|---|
| 370 | if(preStepLambda <= DBL_MIN) mfpKinEnergy = 0.0;
|
|---|
| 371 | }
|
|---|
| 372 |
|
|---|
| 373 | // non-zero cross section
|
|---|
| 374 | if(preStepLambda > DBL_MIN) {
|
|---|
| 375 | if (theNumberOfInteractionLengthLeft < 0.0) {
|
|---|
| 376 | // beggining of tracking (or just after DoIt of this process)
|
|---|
| 377 | ResetNumberOfInteractionLengthLeft();
|
|---|
| 378 | } else if(currentInteractionLength < DBL_MAX) {
|
|---|
| 379 | // subtract NumberOfInteractionLengthLeft
|
|---|
| 380 | SubtractNumberOfInteractionLengthLeft(previousStepSize);
|
|---|
| 381 | if(theNumberOfInteractionLengthLeft < 0.)
|
|---|
| 382 | theNumberOfInteractionLengthLeft = perMillion;
|
|---|
| 383 | }
|
|---|
| 384 |
|
|---|
| 385 | // get mean free path and step limit
|
|---|
| 386 | currentInteractionLength = 1.0/preStepLambda;
|
|---|
| 387 | x = theNumberOfInteractionLengthLeft * currentInteractionLength;
|
|---|
| 388 | #ifdef G4VERBOSE
|
|---|
| 389 | if (verboseLevel>2){
|
|---|
| 390 | G4cout << "G4VEmProcess::PostStepGetPhysicalInteractionLength ";
|
|---|
| 391 | G4cout << "[ " << GetProcessName() << "]" << G4endl;
|
|---|
| 392 | G4cout << " for " << particle->GetParticleName()
|
|---|
| 393 | << " in Material " << currentMaterial->GetName()
|
|---|
| 394 | << " Ekin(MeV)= " << preStepKinEnergy/MeV
|
|---|
| 395 | <<G4endl;
|
|---|
| 396 | G4cout << "MeanFreePath = " << currentInteractionLength/cm << "[cm]"
|
|---|
| 397 | << "InteractionLength= " << x/cm <<"[cm] " <<G4endl;
|
|---|
| 398 | }
|
|---|
| 399 | #endif
|
|---|
| 400 |
|
|---|
| 401 | // zero cross section case
|
|---|
| 402 | } else {
|
|---|
| 403 | if(theNumberOfInteractionLengthLeft > DBL_MIN &&
|
|---|
| 404 | currentInteractionLength < DBL_MAX) {
|
|---|
| 405 |
|
|---|
| 406 | // subtract NumberOfInteractionLengthLeft
|
|---|
| 407 | SubtractNumberOfInteractionLengthLeft(previousStepSize);
|
|---|
| 408 | if(theNumberOfInteractionLengthLeft < 0.)
|
|---|
| 409 | theNumberOfInteractionLengthLeft = perMillion;
|
|---|
| 410 | }
|
|---|
| 411 | currentInteractionLength = DBL_MAX;
|
|---|
| 412 | }
|
|---|
| 413 | return x;
|
|---|
| 414 | }
|
|---|
| 415 |
|
|---|
| 416 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 417 |
|
|---|
| 418 | G4VParticleChange* G4VEmProcess::PostStepDoIt(const G4Track& track,
|
|---|
| 419 | const G4Step&)
|
|---|
| 420 | {
|
|---|
| 421 | fParticleChange.InitializeForPostStep(track);
|
|---|
| 422 |
|
|---|
| 423 | // Do not make anything if particle is stopped, the annihilation then
|
|---|
| 424 | // should be performed by the AtRestDoIt!
|
|---|
| 425 | if (track.GetTrackStatus() == fStopButAlive) return &fParticleChange;
|
|---|
| 426 |
|
|---|
| 427 | G4double finalT = track.GetKineticEnergy();
|
|---|
| 428 |
|
|---|
| 429 | // Integral approach
|
|---|
| 430 | if (integral) {
|
|---|
| 431 | G4double lx = GetLambda(finalT, currentCouple);
|
|---|
| 432 | if(preStepLambda<lx && 1 < verboseLevel) {
|
|---|
| 433 | G4cout << "WARING: for " << particle->GetParticleName()
|
|---|
| 434 | << " and " << GetProcessName()
|
|---|
| 435 | << " E(MeV)= " << finalT/MeV
|
|---|
| 436 | << " preLambda= " << preStepLambda << " < " << lx << " (postLambda) "
|
|---|
| 437 | << G4endl;
|
|---|
| 438 | }
|
|---|
| 439 |
|
|---|
| 440 | if(preStepLambda*G4UniformRand() > lx) {
|
|---|
| 441 | ClearNumberOfInteractionLengthLeft();
|
|---|
| 442 | return &fParticleChange;
|
|---|
| 443 | }
|
|---|
| 444 | }
|
|---|
| 445 |
|
|---|
| 446 | SelectModel(finalT);
|
|---|
| 447 | if(useDeexcitation) {
|
|---|
| 448 | currentModel->SetDeexcitationFlag(idxDERegions[currentMaterialIndex]);
|
|---|
| 449 | }
|
|---|
| 450 | /*
|
|---|
| 451 | if(0 < verboseLevel) {
|
|---|
| 452 | G4cout << "G4VEmProcess::PostStepDoIt: Sample secondary; E= "
|
|---|
| 453 | << finalT/MeV
|
|---|
| 454 | << " MeV; model= (" << currentModel->LowEnergyLimit()
|
|---|
| 455 | << ", " << currentModel->HighEnergyLimit() << ")"
|
|---|
| 456 | << G4endl;
|
|---|
| 457 | }
|
|---|
| 458 | */
|
|---|
| 459 |
|
|---|
| 460 |
|
|---|
| 461 | // sample secondaries
|
|---|
| 462 | secParticles.clear();
|
|---|
| 463 | currentModel->SampleSecondaries(&secParticles,
|
|---|
| 464 | currentCouple,
|
|---|
| 465 | track.GetDynamicParticle(),
|
|---|
| 466 | (*theCuts)[currentMaterialIndex]);
|
|---|
| 467 |
|
|---|
| 468 | // save secondaries
|
|---|
| 469 | G4int num = secParticles.size();
|
|---|
| 470 | if(num > 0) {
|
|---|
| 471 |
|
|---|
| 472 | fParticleChange.SetNumberOfSecondaries(num);
|
|---|
| 473 | G4double edep = fParticleChange.GetLocalEnergyDeposit();
|
|---|
| 474 |
|
|---|
| 475 | for (G4int i=0; i<num; i++) {
|
|---|
| 476 | G4DynamicParticle* dp = secParticles[i];
|
|---|
| 477 | const G4ParticleDefinition* p = dp->GetDefinition();
|
|---|
| 478 | G4double e = dp->GetKineticEnergy();
|
|---|
| 479 | G4bool good = true;
|
|---|
| 480 | if(applyCuts) {
|
|---|
| 481 | if (p == theGamma) {
|
|---|
| 482 | if (e < (*theCutsGamma)[currentMaterialIndex]) good = false;
|
|---|
| 483 |
|
|---|
| 484 | } else if (p == theElectron) {
|
|---|
| 485 | if (e < (*theCutsElectron)[currentMaterialIndex]) good = false;
|
|---|
| 486 |
|
|---|
| 487 | } else if (p == thePositron) {
|
|---|
| 488 | if (electron_mass_c2 < (*theCutsGamma)[currentMaterialIndex] &&
|
|---|
| 489 | e < (*theCutsPositron)[currentMaterialIndex]) {
|
|---|
| 490 | good = false;
|
|---|
| 491 | e += 2.0*electron_mass_c2;
|
|---|
| 492 | }
|
|---|
| 493 | }
|
|---|
| 494 | if(!good) {
|
|---|
| 495 | delete dp;
|
|---|
| 496 | edep += e;
|
|---|
| 497 | }
|
|---|
| 498 | }
|
|---|
| 499 | if (good) fParticleChange.AddSecondary(dp);
|
|---|
| 500 | }
|
|---|
| 501 | fParticleChange.ProposeLocalEnergyDeposit(edep);
|
|---|
| 502 | }
|
|---|
| 503 |
|
|---|
| 504 | ClearNumberOfInteractionLengthLeft();
|
|---|
| 505 | return &fParticleChange;
|
|---|
| 506 | }
|
|---|
| 507 |
|
|---|
| 508 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 509 |
|
|---|
| 510 | G4bool G4VEmProcess::StorePhysicsTable(const G4ParticleDefinition* part,
|
|---|
| 511 | const G4String& directory,
|
|---|
| 512 | G4bool ascii)
|
|---|
| 513 | {
|
|---|
| 514 | G4bool yes = true;
|
|---|
| 515 |
|
|---|
| 516 | if ( theLambdaTable && part == particle) {
|
|---|
| 517 | const G4String name =
|
|---|
| 518 | GetPhysicsTableFileName(part,directory,"Lambda",ascii);
|
|---|
| 519 | yes = theLambdaTable->StorePhysicsTable(name,ascii);
|
|---|
| 520 |
|
|---|
| 521 | if ( yes ) {
|
|---|
| 522 | G4cout << "Physics tables are stored for " << particle->GetParticleName()
|
|---|
| 523 | << " and process " << GetProcessName()
|
|---|
| 524 | << " in the directory <" << directory
|
|---|
| 525 | << "> " << G4endl;
|
|---|
| 526 | } else {
|
|---|
| 527 | G4cout << "Fail to store Physics Tables for "
|
|---|
| 528 | << particle->GetParticleName()
|
|---|
| 529 | << " and process " << GetProcessName()
|
|---|
| 530 | << " in the directory <" << directory
|
|---|
| 531 | << "> " << G4endl;
|
|---|
| 532 | }
|
|---|
| 533 | }
|
|---|
| 534 | return yes;
|
|---|
| 535 | }
|
|---|
| 536 |
|
|---|
| 537 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.....
|
|---|
| 538 |
|
|---|
| 539 | G4bool G4VEmProcess::RetrievePhysicsTable(const G4ParticleDefinition* part,
|
|---|
| 540 | const G4String& directory,
|
|---|
| 541 | G4bool ascii)
|
|---|
| 542 | {
|
|---|
| 543 | if(1 < verboseLevel) {
|
|---|
| 544 | G4cout << "G4VEmProcess::RetrievePhysicsTable() for "
|
|---|
| 545 | << part->GetParticleName() << " and process "
|
|---|
| 546 | << GetProcessName() << G4endl;
|
|---|
| 547 | }
|
|---|
| 548 | G4bool yes = true;
|
|---|
| 549 |
|
|---|
| 550 | if(!buildLambdaTable || particle != part) return yes;
|
|---|
| 551 |
|
|---|
| 552 | const G4String particleName = part->GetParticleName();
|
|---|
| 553 | G4String filename;
|
|---|
| 554 |
|
|---|
| 555 | filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
|
|---|
| 556 | yes = G4PhysicsTableHelper::RetrievePhysicsTable(theLambdaTable,
|
|---|
| 557 | filename,ascii);
|
|---|
| 558 | if ( yes ) {
|
|---|
| 559 | if (0 < verboseLevel) {
|
|---|
| 560 | G4cout << "Lambda table for " << particleName << " is Retrieved from <"
|
|---|
| 561 | << filename << ">"
|
|---|
| 562 | << G4endl;
|
|---|
| 563 | }
|
|---|
| 564 | if((G4LossTableManager::Instance())->SplineFlag()) {
|
|---|
| 565 | size_t n = theLambdaTable->length();
|
|---|
| 566 | for(size_t i=0; i<n; i++) {(* theLambdaTable)[i]->SetSpline(true);}
|
|---|
| 567 | }
|
|---|
| 568 | } else {
|
|---|
| 569 | if (1 < verboseLevel) {
|
|---|
| 570 | G4cout << "Lambda table for " << particleName << " in file <"
|
|---|
| 571 | << filename << "> is not exist"
|
|---|
| 572 | << G4endl;
|
|---|
| 573 | }
|
|---|
| 574 | }
|
|---|
| 575 |
|
|---|
| 576 | return yes;
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 580 |
|
|---|
| 581 | void G4VEmProcess::ActivateDeexcitation(G4bool val, const G4Region* r)
|
|---|
| 582 | {
|
|---|
| 583 | G4RegionStore* regionStore = G4RegionStore::GetInstance();
|
|---|
| 584 | const G4Region* reg = r;
|
|---|
| 585 | if (!reg) {reg = regionStore->GetRegion("DefaultRegionForTheWorld", false);}
|
|---|
| 586 |
|
|---|
| 587 | // the region is in the list
|
|---|
| 588 | if (nDERegions) {
|
|---|
| 589 | for (G4int i=0; i<nDERegions; i++) {
|
|---|
| 590 | if (reg == deRegions[i]) {
|
|---|
| 591 | if(!val) deRegions[i] = 0;
|
|---|
| 592 | return;
|
|---|
| 593 | }
|
|---|
| 594 | }
|
|---|
| 595 | }
|
|---|
| 596 |
|
|---|
| 597 | // new region
|
|---|
| 598 | if(val) {
|
|---|
| 599 | useDeexcitation = true;
|
|---|
| 600 | deRegions.push_back(reg);
|
|---|
| 601 | nDERegions++;
|
|---|
| 602 | } else {
|
|---|
| 603 | useDeexcitation = false;
|
|---|
| 604 | }
|
|---|
| 605 | }
|
|---|
| 606 |
|
|---|
| 607 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 608 |
|
|---|
| 609 | G4double G4VEmProcess::CrossSectionPerVolume(G4double kineticEnergy,
|
|---|
| 610 | const G4MaterialCutsCouple* couple)
|
|---|
| 611 | {
|
|---|
| 612 | // Cross section per atom is calculated
|
|---|
| 613 | DefineMaterial(couple);
|
|---|
| 614 | G4double cross = 0.0;
|
|---|
| 615 | G4bool b;
|
|---|
| 616 | if(theLambdaTable) {
|
|---|
| 617 | cross = (((*theLambdaTable)[currentMaterialIndex])->
|
|---|
| 618 | GetValue(kineticEnergy, b));
|
|---|
| 619 | } else {
|
|---|
| 620 | SelectModel(kineticEnergy);
|
|---|
| 621 | cross = currentModel->CrossSectionPerVolume(currentMaterial,
|
|---|
| 622 | particle,kineticEnergy);
|
|---|
| 623 | }
|
|---|
| 624 |
|
|---|
| 625 | return cross;
|
|---|
| 626 | }
|
|---|
| 627 |
|
|---|
| 628 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 629 |
|
|---|
| 630 | G4double G4VEmProcess::GetMeanFreePath(const G4Track& track,
|
|---|
| 631 | G4double,
|
|---|
| 632 | G4ForceCondition* condition)
|
|---|
| 633 | {
|
|---|
| 634 | *condition = NotForced;
|
|---|
| 635 | return G4VEmProcess::MeanFreePath(track);
|
|---|
| 636 | }
|
|---|
| 637 |
|
|---|
| 638 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 639 |
|
|---|
| 640 | void G4VEmProcess::FindLambdaMax()
|
|---|
| 641 | {
|
|---|
| 642 | if(1 < verboseLevel) {
|
|---|
| 643 | G4cout << "### G4VEmProcess::FindLambdaMax: "
|
|---|
| 644 | << particle->GetParticleName()
|
|---|
| 645 | << " and process " << GetProcessName() << G4endl;
|
|---|
| 646 | }
|
|---|
| 647 | size_t n = theLambdaTable->length();
|
|---|
| 648 | G4PhysicsVector* pv = (*theLambdaTable)[0];
|
|---|
| 649 | G4double e, s, emax, smax;
|
|---|
| 650 | theEnergyOfCrossSectionMax = new G4double [n];
|
|---|
| 651 | theCrossSectionMax = new G4double [n];
|
|---|
| 652 | G4bool b;
|
|---|
| 653 |
|
|---|
| 654 | for (size_t i=0; i<n; i++) {
|
|---|
| 655 | pv = (*theLambdaTable)[i];
|
|---|
| 656 | emax = DBL_MAX;
|
|---|
| 657 | smax = 0.0;
|
|---|
| 658 | if(pv) {
|
|---|
| 659 | size_t nb = pv->GetVectorLength();
|
|---|
| 660 | emax = pv->GetLowEdgeEnergy(nb);
|
|---|
| 661 | smax = 0.0;
|
|---|
| 662 | for (size_t j=0; j<nb; j++) {
|
|---|
| 663 | e = pv->GetLowEdgeEnergy(j);
|
|---|
| 664 | s = pv->GetValue(e,b);
|
|---|
| 665 | if(s > smax) {
|
|---|
| 666 | smax = s;
|
|---|
| 667 | emax = e;
|
|---|
| 668 | }
|
|---|
| 669 | }
|
|---|
| 670 | }
|
|---|
| 671 | theEnergyOfCrossSectionMax[i] = emax;
|
|---|
| 672 | theCrossSectionMax[i] = smax;
|
|---|
| 673 | if(2 < verboseLevel) {
|
|---|
| 674 | G4cout << "For " << particle->GetParticleName()
|
|---|
| 675 | << " Max CS at i= " << i << " emax(MeV)= " << emax/MeV
|
|---|
| 676 | << " lambda= " << smax << G4endl;
|
|---|
| 677 | }
|
|---|
| 678 | }
|
|---|
| 679 | }
|
|---|
| 680 |
|
|---|
| 681 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|
| 682 |
|
|---|
| 683 | G4PhysicsVector* G4VEmProcess::LambdaPhysicsVector(const G4MaterialCutsCouple*)
|
|---|
| 684 | {
|
|---|
| 685 | G4PhysicsVector* v =
|
|---|
| 686 | new G4PhysicsLogVector(minKinEnergy, maxKinEnergy, nLambdaBins);
|
|---|
| 687 | v->SetSpline((G4LossTableManager::Instance())->SplineFlag());
|
|---|
| 688 | return v;
|
|---|
| 689 | }
|
|---|
| 690 |
|
|---|
| 691 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|---|