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25 // 22 //
>> 23 // $Id: G4VEmProcess.cc,v 1.3 2003/10/14 07:50:34 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-06-00 $
>> 25 //
26 // ------------------------------------------- 26 // -------------------------------------------------------------------
27 // 27 //
28 // GEANT4 Class file 28 // GEANT4 Class file
29 // 29 //
30 // 30 //
31 // File name: G4VEmProcess 31 // File name: G4VEmProcess
32 // 32 //
33 // Author: Vladimir Ivanchenko on base 33 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
34 // 34 //
35 // Creation date: 01.10.2003 35 // Creation date: 01.10.2003
36 // 36 //
37 // Modifications: by V.Ivanchenko << 37 // Modifications:
>> 38 //
38 // 39 //
39 // Class Description: based class for discrete << 40 // Class Description:
40 // 41 //
>> 42 // It is the unified process for e+ annililation at rest and in fly.
41 43
42 // ------------------------------------------- 44 // -------------------------------------------------------------------
43 // 45 //
44 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
45 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
46 48
47 #include "G4VEmProcess.hh" 49 #include "G4VEmProcess.hh"
48 #include "G4PhysicalConstants.hh" <<
49 #include "G4SystemOfUnits.hh" <<
50 #include "G4ProcessManager.hh" <<
51 #include "G4LossTableManager.hh" 50 #include "G4LossTableManager.hh"
52 #include "G4LossTableBuilder.hh" <<
53 #include "G4Step.hh" 51 #include "G4Step.hh"
54 #include "G4ParticleDefinition.hh" 52 #include "G4ParticleDefinition.hh"
55 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh"
>> 54 #include "G4VEmFluctuationModel.hh"
56 #include "G4DataVector.hh" 55 #include "G4DataVector.hh"
57 #include "G4PhysicsTable.hh" 56 #include "G4PhysicsTable.hh"
58 #include "G4EmDataHandler.hh" << 57 #include "G4PhysicsVector.hh"
59 #include "G4PhysicsLogVector.hh" 58 #include "G4PhysicsLogVector.hh"
60 #include "G4VParticleChange.hh" 59 #include "G4VParticleChange.hh"
61 #include "G4ProductionCutsTable.hh" <<
62 #include "G4Region.hh" <<
63 #include "G4Gamma.hh" 60 #include "G4Gamma.hh"
64 #include "G4Electron.hh" 61 #include "G4Electron.hh"
65 #include "G4Positron.hh" 62 #include "G4Positron.hh"
66 #include "G4PhysicsTableHelper.hh" << 63 #include "G4ProcessManager.hh"
67 #include "G4EmBiasingManager.hh" << 64 #include "G4UnitsTable.hh"
68 #include "G4EmParameters.hh" << 65 #include "G4ProductionCutsTable.hh"
69 #include "G4EmProcessSubType.hh" << 66 #include "G4Region.hh"
70 #include "G4EmTableUtil.hh" << 67 #include "G4RegionStore.hh"
71 #include "G4EmUtility.hh" <<
72 #include "G4DNAModelSubType.hh" <<
73 #include "G4GenericIon.hh" <<
74 #include "G4Log.hh" <<
75 #include <iostream> <<
76 68
77 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
78 70
79 G4VEmProcess::G4VEmProcess(const G4String& nam 71 G4VEmProcess::G4VEmProcess(const G4String& name, G4ProcessType type):
80 G4VDiscreteProcess(name, type) << 72 G4VDiscreteProcess(name, type),
>> 73 theLambdaTable(0),
>> 74 particle(0),
>> 75 secondaryParticle(0),
>> 76 currentCouple(0),
>> 77 nLambdaBins(90),
>> 78 integral(true),
>> 79 meanFreePath(true)
81 { 80 {
82 theParameters = G4EmParameters::Instance(); <<
83 SetVerboseLevel(1); <<
84 81
85 // Size of tables << 82 minKinEnergy = 0.1*keV;
86 minKinEnergy = 0.1*CLHEP::keV; << 83 maxKinEnergy = 100.0*GeV;
87 maxKinEnergy = 100.0*CLHEP::TeV; <<
88 <<
89 // default lambda factor <<
90 invLambdaFactor = 1.0/lambdaFactor; <<
91 <<
92 // particle types <<
93 theGamma = G4Gamma::Gamma(); <<
94 theElectron = G4Electron::Electron(); <<
95 thePositron = G4Positron::Positron(); <<
96 <<
97 pParticleChange = &fParticleChange; <<
98 fParticleChange.SetSecondaryWeightByProcess( <<
99 secParticles.reserve(5); <<
100 84
101 modelManager = new G4EmModelManager(); 85 modelManager = new G4EmModelManager();
102 lManager = G4LossTableManager::Instance(); << 86 (G4LossTableManager::Instance())->Register(this);
103 lManager->Register(this); <<
104 isTheMaster = lManager->IsMaster(); <<
105 G4LossTableBuilder* bld = lManager->GetTable <<
106 theDensityFactor = bld->GetDensityFactors(); <<
107 theDensityIdx = bld->GetCoupleIndexes(); <<
108 } 87 }
109 88
110 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
111 90
112 G4VEmProcess::~G4VEmProcess() 91 G4VEmProcess::~G4VEmProcess()
113 { 92 {
114 if(isTheMaster) { << 93 if(theLambdaTable) theLambdaTable->clearAndDestroy();
115 delete theData; << 94 theLambdaTable = 0;
116 delete theEnergyOfCrossSectionMax; << 95 modelManager->Clear();
117 } <<
118 delete modelManager; 96 delete modelManager;
119 delete biasManager; << 97 (G4LossTableManager::Instance())->DeRegister(this);
120 lManager->DeRegister(this); <<
121 } 98 }
122 99
123 //....oooOO0OOooo........oooOO0OOooo........oo 100 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
124 101
125 void G4VEmProcess::AddEmModel(G4int order, G4V << 102 void G4VEmProcess::Initialise()
126 const G4Region* <<
127 { 103 {
128 if(nullptr == ptr) { return; } << 104 if(theLambdaTable) theLambdaTable->clearAndDestroy();
129 G4VEmFluctuationModel* fm = nullptr; << 105 theLambdaTable = 0;
130 modelManager->AddEmModel(order, ptr, fm, reg << 106 modelManager->Clear();
131 ptr->SetParticleChange(pParticleChange); << 107 theCuts = modelManager->Initialise(particle,secondaryParticle,2.,verboseLevel);
132 } 108 }
133 109
134 //....oooOO0OOooo........oooOO0OOooo........oo 110 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
135 111
136 void G4VEmProcess::SetEmModel(G4VEmModel* ptr, << 112 void G4VEmProcess::BuildPhysicsTable(const G4ParticleDefinition& part)
137 { 113 {
138 if(nullptr == ptr) { return; } << 114 if( !particle ) particle = ∂
139 if(!emModels.empty()) { << 115 currentCouple = 0;
140 for(auto & em : emModels) { if(em == ptr) << 116 preStepLambda = 0.0;
>> 117 if(0 < verboseLevel) {
>> 118 G4cout << "G4VEmProcess::BuildPhysicsTable() for "
>> 119 << GetProcessName()
>> 120 << " and particle " << part.GetParticleName()
>> 121 << G4endl;
>> 122 }
>> 123
>> 124 G4bool cutsWasModified = false;
>> 125 const G4ProductionCutsTable* theCoupleTable=
>> 126 G4ProductionCutsTable::GetProductionCutsTable();
>> 127 size_t numOfCouples = theCoupleTable->GetTableSize();
>> 128 for (size_t j=0; j<numOfCouples; j++){
>> 129 if (theCoupleTable->GetMaterialCutsCouple(j)->IsRecalcNeeded()) {
>> 130 cutsWasModified = true;
>> 131 break;
>> 132 }
>> 133 }
>> 134 if( !cutsWasModified ) return;
>> 135
>> 136 Initialise();
>> 137 theLambdaTable = BuildLambdaTable();
>> 138 PrintInfoDefinition();
>> 139
>> 140 if(0 < verboseLevel && theCuts) {
>> 141 G4cout << "G4VEmProcess::BuildPhysicsTable() done for "
>> 142 << GetProcessName()
>> 143 << " and particle " << part.GetParticleName()
>> 144 << G4endl;
141 } 145 }
142 emModels.push_back(ptr); <<
143 } 146 }
144 147
145 //....oooOO0OOooo........oooOO0OOooo........oo 148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
146 149
147 void G4VEmProcess::PreparePhysicsTable(const G << 150 G4PhysicsTable* G4VEmProcess::BuildLambdaTable()
148 { 151 {
149 if(nullptr == particle) { SetParticle(&part) <<
150 152
151 if(part.GetParticleType() == "nucleus" && << 153 if(0 < verboseLevel) {
152 part.GetParticleSubType() == "generic") { << 154 G4cout << "G4VEnergyLossSTD::BuildLambdaTable() for process "
>> 155 << GetProcessName() << " and particle "
>> 156 << particle->GetParticleName()
>> 157 << G4endl;
>> 158 }
153 159
154 G4String pname = part.GetParticleName(); << 160 // Access to materials
155 if(pname != "deuteron" && pname != "triton << 161 const G4ProductionCutsTable* theCoupleTable=
156 pname != "He3" && pname != "alpha" && p << 162 G4ProductionCutsTable::GetProductionCutsTable();
157 pname != "helium" && pname != "hydrogen << 163 size_t numOfCouples = theCoupleTable->GetTableSize();
158 164
159 particle = G4GenericIon::GenericIon(); << 165 G4PhysicsTable* theTable = new G4PhysicsTable(numOfCouples);
160 isIon = true; <<
161 } <<
162 } <<
163 if(particle != &part) { return; } <<
164 166
165 lManager->PreparePhysicsTable(&part, this); << 167 for(size_t i=0; i<numOfCouples; i++) {
166 168
167 // for new run << 169 // create physics vector and fill it
168 currentCouple = nullptr; << 170 const G4MaterialCutsCouple* couple = theCoupleTable->GetMaterialCutsCouple(i);
169 preStepLambda = 0.0; << 171 G4PhysicsVector* aVector = LambdaPhysicsVector(couple);
170 fLambdaEnergy = 0.0; << 172 modelManager->FillLambdaVector(aVector, couple);
171 173
172 InitialiseProcess(particle); << 174 // Insert vector for this material into the table
>> 175 theTable->insert(aVector) ;
>> 176 }
173 177
174 G4LossTableBuilder* bld = lManager->GetTable << 178 if(0 < verboseLevel) {
175 const G4ProductionCutsTable* theCoupleTable= << 179 G4cout << "Lambda table is built for "
176 G4ProductionCutsTable::GetProductionCutsTa << 180 << particle->GetParticleName()
177 theCutsGamma = theCoupleTable->GetEnergyC << 181 << G4endl;
178 theCutsElectron = theCoupleTable->GetEnergyC << 182 if(2 < verboseLevel) {
179 theCutsPositron = theCoupleTable->GetEnergyC << 183 G4cout << *theTable << G4endl;
180 <<
181 // initialisation of the process <<
182 if(!actMinKinEnergy) { minKinEnergy = thePar <<
183 if(!actMaxKinEnergy) { maxKinEnergy = thePar <<
184 <<
185 applyCuts = theParameters->ApplyCuts() <<
186 lambdaFactor = theParameters->LambdaFacto <<
187 invLambdaFactor = 1.0/lambdaFactor; <<
188 theParameters->DefineRegParamForEM(this); <<
189 <<
190 // integral option may be disabled <<
191 if(!theParameters->Integral()) { fXSType = f <<
192 <<
193 // prepare tables <<
194 if(isTheMaster) { <<
195 if(nullptr == theData) { theData = new G4E <<
196 <<
197 if(buildLambdaTable) { <<
198 theLambdaTable = theData->MakeTable(0); <<
199 bld->InitialiseBaseMaterials(theLambdaTa <<
200 } <<
201 // high energy table <<
202 if(minKinEnergyPrim < maxKinEnergy) { <<
203 theLambdaTablePrim = theData->MakeTable( <<
204 bld->InitialiseBaseMaterials(theLambdaTa <<
205 } 184 }
206 } 185 }
207 // models << 186
208 baseMat = bld->GetBaseMaterialFlag(); << 187 return theTable;
209 numberOfModels = modelManager->NumberOfModel <<
210 currentModel = modelManager->GetModel(0); <<
211 if(nullptr != lManager->AtomDeexcitation()) <<
212 modelManager->SetFluoFlag(true); <<
213 } <<
214 // forced biasing <<
215 if(nullptr != biasManager) { <<
216 biasManager->Initialise(part, GetProcessNa <<
217 biasFlag = false; <<
218 } <<
219 <<
220 theCuts = <<
221 G4EmTableUtil::PrepareEmProcess(this, part <<
222 modelManag <<
223 secID, tri <<
224 verboseLev <<
225 } 188 }
226 189
227 //....oooOO0OOooo........oooOO0OOooo........oo 190 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
228 191
229 void G4VEmProcess::BuildPhysicsTable(const G4P << 192 void G4VEmProcess::SetParticle(const G4ParticleDefinition* p)
230 { 193 {
231 if(nullptr == masterProc) { << 194 particle = p;
232 if(isTheMaster) { masterProc = this; } <<
233 else { masterProc = static_cast<const G4VE <<
234 } <<
235 G4int nModels = modelManager->NumberOfModels <<
236 G4bool isLocked = theParameters->IsPrintLock <<
237 G4bool toBuild = (buildLambdaTable || minKin <<
238 <<
239 G4EmTableUtil::BuildEmProcess(this, masterPr <<
240 nModels, verbo <<
241 isLocked, toBu <<
242 } <<
243 <<
244 //....oooOO0OOooo........oooOO0OOooo........oo <<
245 <<
246 void G4VEmProcess::BuildLambdaTable() <<
247 { <<
248 G4double scale = theParameters->MaxKinEnergy <<
249 G4int nbin = <<
250 theParameters->NumberOfBinsPerDecade()*G4l <<
251 if(actBinning) { nbin = std::max(nbin, nLamb <<
252 scale = nbin/G4Log(scale); <<
253 <<
254 G4LossTableBuilder* bld = lManager->GetTable <<
255 G4EmTableUtil::BuildLambdaTable(this, partic <<
256 bld, theLamb <<
257 minKinEnergy <<
258 maxKinEnergy <<
259 startFromNul <<
260 } <<
261 <<
262 //....oooOO0OOooo........oooOO0OOooo........oo <<
263 <<
264 void G4VEmProcess::StreamInfo(std::ostream& ou <<
265 const G4ParticleDefinition& <<
266 { <<
267 G4String indent = (rst ? " " : ""); <<
268 out << std::setprecision(6); <<
269 out << G4endl << indent << GetProcessName() <<
270 if (!rst) { <<
271 out << " for " << part.GetParticleName(); <<
272 } <<
273 if(fXSType != fEmNoIntegral) { out << " XSt <<
274 if(applyCuts) { out << " applyCuts:1 "; } <<
275 G4int subtype = GetProcessSubType(); <<
276 out << " SubType=" << subtype; <<
277 if (subtype == fAnnihilation) { <<
278 G4int mod = theParameters->PositronAtRestM <<
279 const G4String namp[2] = {"Simple", "Allis <<
280 out << " AtRestModel:" << namp[mod]; <<
281 } <<
282 if(biasFactor != 1.0) { out << " BiasingFac <<
283 out << " BuildTable=" << buildLambdaTable << <<
284 if(buildLambdaTable) { <<
285 if(particle == &part) { <<
286 for(auto & v : *theLambdaTable) { <<
287 if(nullptr != v) { <<
288 out << " Lambda table from "; <<
289 G4double emin = v->Energy(0); <<
290 G4double emax = v->GetMaxEnergy(); <<
291 G4int nbin = G4int(v->GetVectorLengt <<
292 if(emin > minKinEnergy) { out << "th <<
293 else { out << G4BestUnit(emin,"Energ <<
294 out << " to " <<
295 << G4BestUnit(emax,"Energy") <<
296 << ", " << G4lrint(nbin/std::log <<
297 << " bins/decade, spline: " <<
298 << splineFlag << G4endl; <<
299 break; <<
300 } <<
301 } <<
302 } else { <<
303 out << " Used Lambda table of " <<
304 << particle->GetParticleName() << G4endl <<
305 } <<
306 } <<
307 if(minKinEnergyPrim < maxKinEnergy) { <<
308 if(particle == &part) { <<
309 for(auto & v : *theLambdaTablePrim) { <<
310 if(nullptr != v) { <<
311 out << " LambdaPrime table from <<
312 << G4BestUnit(v->Energy(0),"Ener <<
313 << " to " <<
314 << G4BestUnit(v->GetMaxEnergy(), <<
315 << " in " << v->GetVectorLength( <<
316 << " bins " << G4endl; <<
317 break; <<
318 } <<
319 } <<
320 } else { <<
321 out << " Used LambdaPrime table of <<
322 << particle->GetParticleName() <<
323 } <<
324 } <<
325 StreamProcessInfo(out); <<
326 modelManager->DumpModelList(out, verboseLeve <<
327 <<
328 if(verboseLevel > 2 && buildLambdaTable) { <<
329 out << " LambdaTable address= " << th <<
330 if(theLambdaTable && particle == &part) { <<
331 out << (*theLambdaTable) << G4endl; <<
332 } <<
333 } <<
334 } 195 }
335 196
336 //....oooOO0OOooo........oooOO0OOooo........oo 197 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
337 198
338 void G4VEmProcess::StartTracking(G4Track* trac << 199 void G4VEmProcess::SetSecondaryParticle(const G4ParticleDefinition* p)
339 { 200 {
340 // reset parameters for the new track << 201 secondaryParticle = p;
341 currentParticle = track->GetParticleDefiniti <<
342 theNumberOfInteractionLengthLeft = -1.0; <<
343 mfpKinEnergy = DBL_MAX; <<
344 preStepLambda = 0.0; <<
345 <<
346 if(isIon) { massRatio = proton_mass_c2/curre <<
347 <<
348 // forced biasing only for primary particles <<
349 if(biasManager) { <<
350 if(0 == track->GetParentID()) { <<
351 // primary particle <<
352 biasFlag = true; <<
353 biasManager->ResetForcedInteraction(); <<
354 } <<
355 } <<
356 } 202 }
357 203
358 //....oooOO0OOooo........oooOO0OOooo........oo 204 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
359 205
360 G4double G4VEmProcess::PostStepGetPhysicalInte << 206 void G4VEmProcess::AddEmModel(G4int order, G4VEmModel* p,
361 const G4Track& tr << 207 G4VEmFluctuationModel*,
362 G4double previo << 208 const G4Region* region)
363 G4ForceCondition* << 209 {
364 { << 210 modelManager->AddEmModel(order, p, 0, region);
365 *condition = NotForced; <<
366 G4double x = DBL_MAX; <<
367 <<
368 DefineMaterial(track.GetMaterialCutsCouple() <<
369 preStepKinEnergy = track.GetKineticEnergy(); <<
370 const G4double scaledEnergy = preStepKinEner <<
371 SelectModel(scaledEnergy, currentCoupleIndex <<
372 /* <<
373 G4cout << "PostStepGetPhysicalInteractionLen <<
374 << " couple: " << currentCouple << G <<
375 */ <<
376 if(!currentModel->IsActive(scaledEnergy)) { <<
377 theNumberOfInteractionLengthLeft = -1.0; <<
378 currentInteractionLength = DBL_MAX; <<
379 mfpKinEnergy = DBL_MAX; <<
380 preStepLambda = 0.0; <<
381 return x; <<
382 } <<
383 <<
384 // forced biasing only for primary particles <<
385 if(biasManager) { <<
386 if(0 == track.GetParentID()) { <<
387 if(biasFlag && <<
388 biasManager->ForcedInteractionRegion( <<
389 return biasManager->GetStepLimit((G4in <<
390 } <<
391 } <<
392 } <<
393 <<
394 // compute mean free path <<
395 <<
396 ComputeIntegralLambda(preStepKinEnergy, trac <<
397 <<
398 // zero cross section <<
399 if(preStepLambda <= 0.0) { <<
400 theNumberOfInteractionLengthLeft = -1.0; <<
401 currentInteractionLength = DBL_MAX; <<
402 <<
403 } else { <<
404 <<
405 // non-zero cross section <<
406 if (theNumberOfInteractionLengthLeft < 0.0 <<
407 <<
408 // beggining of tracking (or just after <<
409 theNumberOfInteractionLengthLeft = -G4Lo <<
410 theInitialNumberOfInteractionLength = th <<
411 <<
412 } else { <<
413 <<
414 theNumberOfInteractionLengthLeft -= <<
415 previousStepSize/currentInteractionLen <<
416 theNumberOfInteractionLengthLeft = <<
417 std::max(theNumberOfInteractionLengthL <<
418 } <<
419 <<
420 // new mean free path and step limit for t <<
421 currentInteractionLength = 1.0/preStepLamb <<
422 x = theNumberOfInteractionLengthLeft * cur <<
423 } <<
424 return x; <<
425 } 211 }
426 212
427 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
428 214
429 void G4VEmProcess::ComputeIntegralLambda(G4dou << 215 void G4VEmProcess::UpdateEmModel(const G4String& nam, G4double emin,
>> 216 G4double emax)
430 { 217 {
431 if (fXSType == fEmNoIntegral) { << 218 modelManager->UpdateEmModel(nam, emin, emax);
432 preStepLambda = GetCurrentLambda(e, LogEki <<
433 <<
434 } else if (fXSType == fEmIncreasing) { <<
435 if(e*invLambdaFactor < mfpKinEnergy) { <<
436 preStepLambda = GetCurrentLambda(e, LogE <<
437 mfpKinEnergy = (preStepLambda > 0.0) ? e <<
438 } <<
439 <<
440 } else if(fXSType == fEmDecreasing) { <<
441 if(e < mfpKinEnergy) { <<
442 const G4double e1 = e*lambdaFactor; <<
443 preStepLambda = GetCurrentLambda(e1); <<
444 mfpKinEnergy = e1; <<
445 } <<
446 <<
447 } else if(fXSType == fEmOnePeak) { <<
448 const G4double epeak = (*theEnergyOfCrossS <<
449 if(e <= epeak) { <<
450 if(e*invLambdaFactor < mfpKinEnergy) { <<
451 preStepLambda = GetCurrentLambda(e, Lo <<
452 mfpKinEnergy = (preStepLambda > 0.0) ? <<
453 } <<
454 } else if(e < mfpKinEnergy) { <<
455 const G4double e1 = std::max(epeak, e*la <<
456 preStepLambda = GetCurrentLambda(e1); <<
457 mfpKinEnergy = e1; <<
458 } <<
459 } else { <<
460 preStepLambda = GetCurrentLambda(e, LogEki <<
461 } <<
462 } 219 }
463 220
464 //....oooOO0OOooo........oooOO0OOooo........oo 221 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
465 222
466 G4VParticleChange* G4VEmProcess::PostStepDoIt( 223 G4VParticleChange* G4VEmProcess::PostStepDoIt(const G4Track& track,
467 << 224 const G4Step& step)
468 { 225 {
469 // clear number of interaction lengths in an << 226 aParticleChange.Initialize(track);
470 theNumberOfInteractionLengthLeft = -1.0; << 227 G4double finalT = track.GetKineticEnergy();
471 mfpKinEnergy = DBL_MAX; <<
472 <<
473 fParticleChange.InitializeForPostStep(track) <<
474 <<
475 // Do not make anything if particle is stopp <<
476 // should be performed by the AtRestDoIt! <<
477 if (track.GetTrackStatus() == fStopButAlive) <<
478 <<
479 const G4double finalT = track.GetKineticEner <<
480 <<
481 // forced process - should happen only once <<
482 if(biasFlag) { <<
483 if(biasManager->ForcedInteractionRegion((G <<
484 biasFlag = false; <<
485 } <<
486 } <<
487 <<
488 // check active and select model <<
489 const G4double scaledEnergy = finalT*massRat <<
490 SelectModel(scaledEnergy, currentCoupleIndex <<
491 if(!currentModel->IsActive(scaledEnergy)) { <<
492 228
493 // Integral approach 229 // Integral approach
494 if (fXSType != fEmNoIntegral) { << 230 if (integral) {
495 const G4double logFinalT = << 231 G4bool b;
496 track.GetDynamicParticle()->GetLogKineti << 232 G4double postStepLambda =
497 const G4double lx = std::max(GetCurrentLam << 233 (((*theLambdaTable)[currentMaterialIndex])->GetValue(finalT,b));
498 #ifdef G4VERBOSE << 234
499 if(preStepLambda < lx && 1 < verboseLevel) << 235 if(preStepLambda*G4UniformRand() > postStepLambda)
500 G4cout << "WARNING: for " << currentPart << 236 return G4VDiscreteProcess::PostStepDoIt(track,step);
501 << " and " << GetProcessName() << <<
502 << " preLambda= " << preStepLambd <<
503 << " < " << lx << " (postLambda) <<
504 } <<
505 #endif <<
506 // if false interaction then use new cross <<
507 // if both values are zero - no interactio <<
508 if(preStepLambda*G4UniformRand() >= lx) { <<
509 return &fParticleChange; <<
510 } <<
511 } 237 }
512 238
513 // define new weight for primary and seconda << 239 G4VEmModel* currentModel = SelectModel(finalT);
514 G4double weight = fParticleChange.GetParentW << 240 G4double tcut = (*theCuts)[currentMaterialIndex];
515 if(weightFlag) { << 241 const G4DynamicParticle* dynParticle = track.GetDynamicParticle();
516 weight /= biasFactor; << 242
517 fParticleChange.ProposeWeight(weight); << 243 /*
518 } << 244 if(0 < verboseLevel) {
519 << 245 const G4ParticleDefinition* pd = dynParticle->GetDefinition();
520 #ifdef G4VERBOSE <<
521 if(1 < verboseLevel) { <<
522 G4cout << "G4VEmProcess::PostStepDoIt: Sam 246 G4cout << "G4VEmProcess::PostStepDoIt: Sample secondary; E= "
523 << finalT/MeV 247 << finalT/MeV
524 << " MeV; model= (" << currentModel << 248 << " MeV; model= (" << currentModel->LowEnergyLimit(pd)
525 << ", " << currentModel->HighEnerg << 249 << ", " << currentModel->HighEnergyLimit(pd) << ")"
526 << G4endl; 250 << G4endl;
527 } 251 }
528 #endif << 252 */
529 <<
530 // sample secondaries <<
531 secParticles.clear(); <<
532 currentModel->SampleSecondaries(&secParticle <<
533 currentCoupl <<
534 track.GetDyn <<
535 (*theCuts)[c <<
536 <<
537 G4int num0 = (G4int)secParticles.size(); <<
538 <<
539 // splitting or Russian roulette <<
540 if(biasManager) { <<
541 if(biasManager->SecondaryBiasingRegion((G4 <<
542 G4double eloss = 0.0; <<
543 weight *= biasManager->ApplySecondaryBia <<
544 secParticles, track, currentModel, &fP <<
545 (G4int)currentCoupleIndex, (*theCuts)[ <<
546 step.GetPostStepPoint()->GetSafety()); <<
547 if(eloss > 0.0) { <<
548 eloss += fParticleChange.GetLocalEnerg <<
549 fParticleChange.ProposeLocalEnergyDepo <<
550 } <<
551 } <<
552 } <<
553 <<
554 // save secondaries <<
555 G4int num = (G4int)secParticles.size(); <<
556 if(num > 0) { <<
557 <<
558 fParticleChange.SetNumberOfSecondaries(num <<
559 G4double edep = fParticleChange.GetLocalEn <<
560 G4double time = track.GetGlobalTime(); <<
561 <<
562 G4int n1(0), n2(0); <<
563 if(num0 > mainSecondaries) { <<
564 currentModel->FillNumberOfSecondaries(n1 <<
565 } <<
566 <<
567 for (G4int i=0; i<num; ++i) { <<
568 G4DynamicParticle* dp = secParticles[i]; <<
569 if (nullptr != dp) { <<
570 const G4ParticleDefinition* p = dp->Ge <<
571 G4double e = dp->GetKineticEnergy(); <<
572 G4bool good = true; <<
573 if(applyCuts) { <<
574 if (p == theGamma) { <<
575 if (e < (*theCutsGamma)[currentCou <<
576 <<
577 } else if (p == theElectron) { <<
578 if (e < (*theCutsElectron)[current <<
579 <<
580 } else if (p == thePositron) { <<
581 if (electron_mass_c2 < (*theCutsGa <<
582 e < (*theCutsPositron)[current <<
583 good = false; <<
584 e += 2.0*electron_mass_c2; <<
585 } <<
586 } <<
587 // added secondary if it is good <<
588 } <<
589 if (good) { <<
590 G4Track* t = new G4Track(dp, time, t <<
591 t->SetTouchableHandle(track.GetTouch <<
592 if (biasManager) { <<
593 t->SetWeight(weight * biasManager- <<
594 } else { <<
595 t->SetWeight(weight); <<
596 } <<
597 pParticleChange->AddSecondary(t); <<
598 <<
599 // define type of secondary <<
600 if(i < mainSecondaries) { <<
601 t->SetCreatorModelID(secID); <<
602 if(GetProcessSubType() == fCompton <<
603 t->SetCreatorModelID(_ComptonGam <<
604 } <<
605 } else if(i < mainSecondaries + n1) <<
606 t->SetCreatorModelID(tripletID); <<
607 } else if(i < mainSecondaries + n1 + <<
608 t->SetCreatorModelID(_IonRecoil); <<
609 } else { <<
610 if(i < num0) { <<
611 if(p == theGamma) { <<
612 t->SetCreatorModelID(fluoID); <<
613 } else { <<
614 t->SetCreatorModelID(augerID); <<
615 } <<
616 } else { <<
617 t->SetCreatorModelID(biasID); <<
618 } <<
619 } <<
620 /* <<
621 G4cout << "Secondary(post step) has <<
622 << ", Ekin= " << t->GetKineti <<
623 << GetProcessName() << " fluo <<
624 << " augerID= " << augerID << <<
625 */ <<
626 } else { <<
627 delete dp; <<
628 edep += e; <<
629 } <<
630 } <<
631 } <<
632 fParticleChange.ProposeLocalEnergyDeposit( <<
633 } <<
634 <<
635 if(0.0 == fParticleChange.GetProposedKinetic <<
636 fAlive == fParticleChange.GetTrackStatus( <<
637 if(particle->GetProcessManager()->GetAtRes <<
638 { fParticleChange.ProposeTrackStatus( <<
639 else { fParticleChange.ProposeTrackStatus( <<
640 } <<
641 253
642 return &fParticleChange; << 254 SecondariesPostStep(currentModel,currentCouple,dynParticle,tcut,finalT);
>> 255 return &aParticleChange;
643 } 256 }
644 257
645 //....oooOO0OOooo........oooOO0OOooo........oo 258 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
646 259
647 G4bool G4VEmProcess::StorePhysicsTable(const G << 260 void G4VEmProcess::PrintInfoDefinition()
648 const G <<
649 G4bool <<
650 { 261 {
651 if(!isTheMaster || part != particle) { retur << 262 G4cout << G4endl << GetProcessName() << ": " << G4endl
652 if(G4EmTableUtil::StoreTable(this, part, the << 263 << " Lambda tables from threshold to "
653 directory, "Lambda", << 264 << G4BestUnit(maxKinEnergy,"Energy")
654 verboseLevel, a << 265 << " in " << nLambdaBins << " bins."
655 G4EmTableUtil::StoreTable(this, part, the << 266 << G4endl;
656 directory, "LambdaPrim", << 267 /*
657 verboseLevel, a << 268 G4cout << "DEDXTable address= " << theDEDXTable << G4endl;
658 return true; << 269 if(theDEDXTable) G4cout << (*theDEDXTable) << G4endl;
659 } << 270 G4cout << "RangeTable address= " << theRangeTable << G4endl;
660 return false; << 271 if(theRangeTable) G4cout << (*theRangeTable) << G4endl;
661 } << 272 G4cout << "InverseRangeTable address= " << theInverseRangeTable << G4endl;
662 << 273 if(theInverseRangeTable) G4cout << (*theInverseRangeTable) << G4endl;
663 //....oooOO0OOooo........oooOO0OOooo........oo << 274 */
>> 275 if(0 < verboseLevel) {
>> 276 G4cout << "Tables are built for " << particle->GetParticleName()
>> 277 << " IntegralFlag= " << integral
>> 278 << G4endl;
664 279
665 G4bool G4VEmProcess::RetrievePhysicsTable(cons << 280 if(2 < verboseLevel) {
666 cons << 281 G4cout << "LambdaTable address= " << theLambdaTable << G4endl;
667 G4bo << 282 if(theLambdaTable) G4cout << (*theLambdaTable) << G4endl;
668 { << 283 }
669 if(!isTheMaster || part != particle) { retur <<
670 G4bool yes = true; <<
671 if(buildLambdaTable) { <<
672 yes = G4EmTableUtil::RetrieveTable(this, p <<
673 "Lambda <<
674 ascii, <<
675 } <<
676 if(yes && minKinEnergyPrim < maxKinEnergy) { <<
677 yes = G4EmTableUtil::RetrieveTable(this, p <<
678 "Lambda <<
679 ascii, <<
680 } 284 }
681 return yes; <<
682 } <<
683 <<
684 //....oooOO0OOooo........oooOO0OOooo........oo <<
685 <<
686 G4double G4VEmProcess::GetCrossSection(G4doubl <<
687 const G <<
688 { <<
689 CurrentSetup(couple, kinEnergy); <<
690 return GetCurrentLambda(kinEnergy, G4Log(kin <<
691 } <<
692 <<
693 //....oooOO0OOooo........oooOO0OOooo........oo <<
694 <<
695 G4double G4VEmProcess::GetMeanFreePath(const G <<
696 G4doubl <<
697 G4Force <<
698 { <<
699 *condition = NotForced; <<
700 return G4VEmProcess::MeanFreePath(track); <<
701 } 285 }
702 286
703 //....oooOO0OOooo........oooOO0OOooo........oo 287 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
704 288
705 G4double << 289 G4PhysicsVector* G4VEmProcess::LambdaPhysicsVector(const G4MaterialCutsCouple* couple)
706 G4VEmProcess::ComputeCrossSectionPerAtom(G4dou <<
707 G4dou <<
708 { 290 {
709 SelectModel(kinEnergy, currentCoupleIndex); << 291 G4double cut = (*theCuts)[couple->GetIndex()];
710 return (currentModel) ? << 292 G4int nbins = 3;
711 currentModel->ComputeCrossSectionPerAtom(c << 293 if( couple->IsUsed() ) nbins = nLambdaBins;
712 Z << 294 G4double tmin = std::max(MinPrimaryEnergy(particle, couple->GetMaterial(), cut),
>> 295 minKinEnergy);
>> 296 if(tmin >= maxKinEnergy) tmin = 0.5*maxKinEnergy;
>> 297 // G4double xmax = maxKinEnergy*exp(log(maxKinEnergy/tmin)/((G4double)(nbins-1)) );
>> 298 G4PhysicsVector* v = new G4PhysicsLogVector(tmin, maxKinEnergy, nbins);
>> 299 return v;
713 } 300 }
714 301
715 //....oooOO0OOooo........oooOO0OOooo........oo 302 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
716 303
717 G4PhysicsVector* << 304 G4double G4VEmProcess::MicroscopicCrossSection(G4double kineticEnergy,
718 G4VEmProcess::LambdaPhysicsVector(const G4Mate << 305 const G4MaterialCutsCouple* couple)
719 { 306 {
>> 307 // Cross section per atom is calculated
720 DefineMaterial(couple); 308 DefineMaterial(couple);
721 G4PhysicsVector* newv = new G4PhysicsLogVect << 309 G4double cross = 0.0;
722 << 310 G4bool b;
723 return newv; << 311 if(theLambdaTable) {
724 } << 312 cross = (((*theLambdaTable)[currentMaterialIndex])->
>> 313 GetValue(kineticEnergy, b));
725 314
726 //....oooOO0OOooo........oooOO0OOooo........oo << 315 cross /= currentMaterial->GetTotNbOfAtomsPerVolume();
>> 316 }
727 317
728 const G4Element* G4VEmProcess::GetCurrentEleme << 318 return cross;
729 { <<
730 return (nullptr != currentModel) ? <<
731 currentModel->GetCurrentElement(currentMat <<
732 } 319 }
733 320
734 //....oooOO0OOooo........oooOO0OOooo........oo 321 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
735 322
736 const G4Element* G4VEmProcess::GetTargetElemen << 323 G4double G4VEmProcess::MeanFreePath(const G4Track& track,
>> 324 G4double s,
>> 325 G4ForceCondition* cond)
737 { 326 {
738 return (nullptr != currentModel) ? << 327 return GetMeanFreePath(track, s, cond);
739 currentModel->GetCurrentElement(currentMat <<
740 } 328 }
741 329
742 //....oooOO0OOooo........oooOO0OOooo........oo 330 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
743 331
744 const G4Isotope* G4VEmProcess::GetTargetIsotop << 332 G4bool G4VEmProcess::StorePhysicsTable(G4ParticleDefinition* part,
>> 333 const G4String& directory,
>> 334 G4bool ascii)
745 { 335 {
746 return (nullptr != currentModel) ? << 336 G4bool yes = true;
747 currentModel->GetCurrentIsotope(GetCurrent <<
748 } <<
749 <<
750 //....oooOO0OOooo........oooOO0OOooo........oo <<
751 337
752 void G4VEmProcess::SetCrossSectionBiasingFacto << 338 if ( theLambdaTable ) {
753 { << 339 const G4String name = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
754 if(f > 0.0) { << 340 yes = theLambdaTable->StorePhysicsTable(name,ascii);
755 biasFactor = f; <<
756 weightFlag = flag; <<
757 if(1 < verboseLevel) { <<
758 G4cout << "### SetCrossSectionBiasingFac <<
759 << particle->GetParticleName() <<
760 << " and process " << GetProcessN <<
761 << " biasFactor= " << f << " weig <<
762 << G4endl; <<
763 } <<
764 } 341 }
765 } <<
766 342
767 //....oooOO0OOooo........oooOO0OOooo........oo << 343 if ( yes ) {
768 << 344 G4cout << "Physics tables are stored for " << particle->GetParticleName()
769 void <<
770 G4VEmProcess::ActivateForcedInteraction(G4doub <<
771 G4bool <<
772 { <<
773 if(nullptr == biasManager) { biasManager = n <<
774 if(1 < verboseLevel) { <<
775 G4cout << "### ActivateForcedInteraction: <<
776 << particle->GetParticleName() <<
777 << " and process " << GetProcessNam 345 << " and process " << GetProcessName()
778 << " length(mm)= " << length/mm << 346 << " in the directory <" << directory
779 << " in G4Region <" << r << 347 << "> " << G4endl;
780 << "> weightFlag= " << flag << 348 } else {
781 << G4endl; << 349 G4cout << "Fail to store Physics Tables for " << particle->GetParticleName()
>> 350 << " and process " << GetProcessName()
>> 351 << " in the directory <" << directory
>> 352 << "> " << G4endl;
782 } 353 }
783 weightFlag = flag; << 354 return yes;
784 biasManager->ActivateForcedInteraction(lengt <<
785 } 355 }
786 356
787 //....oooOO0OOooo........oooOO0OOooo........oo << 357 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
788 358
789 void << 359 G4bool G4VEmProcess::RetrievePhysicsTable(G4ParticleDefinition* part,
790 G4VEmProcess::ActivateSecondaryBiasing(const G << 360 const G4String& directory,
791 G4double factor, << 361 G4bool ascii)
792 G4double energyLimit) <<
793 { 362 {
794 if (0.0 <= factor) { << 363 currentCouple = 0;
795 << 364 preStepLambda = 0.0;
796 // Range cut can be applied only for e- << 365 if(0 < verboseLevel) {
797 if(0.0 == factor && secondaryParticle != G << 366 G4cout << "G4VEmProcess::RetrievePhysicsTable() for "
798 { return; } << 367 << part->GetParticleName() << " and process "
799 << 368 << GetProcessName() << G4endl;
800 if(!biasManager) { biasManager = new G4EmB <<
801 biasManager->ActivateSecondaryBiasing(regi <<
802 if(1 < verboseLevel) { <<
803 G4cout << "### ActivateSecondaryBiasing: <<
804 << " process " << GetProcessName() <<
805 << " factor= " << factor <<
806 << " in G4Region <" << region <<
807 << "> energyLimit(MeV)= " << energyLimi <<
808 << G4endl; <<
809 } <<
810 } 369 }
811 } << 370 G4bool yes = true;
812 <<
813 //....oooOO0OOooo........oooOO0OOooo........oo <<
814 <<
815 void G4VEmProcess::SetLambdaBinning(G4int n) <<
816 { <<
817 if(5 < n && n < 10000000) { <<
818 nLambdaBins = n; <<
819 actBinning = true; <<
820 } else { <<
821 G4double e = (G4double)n; <<
822 PrintWarning("SetLambdaBinning", e); <<
823 } <<
824 } <<
825 <<
826 //....oooOO0OOooo........oooOO0OOooo........oo <<
827 <<
828 void G4VEmProcess::SetMinKinEnergy(G4double e) <<
829 { <<
830 if(1.e-3*eV < e && e < maxKinEnergy) { <<
831 nLambdaBins = G4lrint(nLambdaBins*G4Log(ma <<
832 /G4Log(maxKinEnergy/ <<
833 minKinEnergy = e; <<
834 actMinKinEnergy = true; <<
835 } else { PrintWarning("SetMinKinEnergy", e); <<
836 } <<
837 <<
838 //....oooOO0OOooo........oooOO0OOooo........oo <<
839 <<
840 void G4VEmProcess::SetMaxKinEnergy(G4double e) <<
841 { <<
842 if(minKinEnergy < e && e < 1.e+6*TeV) { <<
843 nLambdaBins = G4lrint(nLambdaBins*G4Log(e/ <<
844 /G4Log(maxKinEnergy/ <<
845 maxKinEnergy = e; <<
846 actMaxKinEnergy = true; <<
847 } else { PrintWarning("SetMaxKinEnergy", e); <<
848 } <<
849 <<
850 //....oooOO0OOooo........oooOO0OOooo........oo <<
851 <<
852 void G4VEmProcess::SetMinKinEnergyPrim(G4doubl <<
853 { <<
854 if(theParameters->MinKinEnergy() <= e && <<
855 e <= theParameters->MaxKinEnergy()) { min <<
856 else { PrintWarning("SetMinKinEnergyPrim", e <<
857 } <<
858 <<
859 //....oooOO0OOooo........oooOO0OOooo........oo <<
860 <<
861 G4VEmProcess* G4VEmProcess::GetEmProcess(const <<
862 { <<
863 return (nam == GetProcessName()) ? this : nu <<
864 } <<
865 <<
866 //....oooOO0OOooo........oooOO0OOooo........oo <<
867 371
868 G4double G4VEmProcess::PolarAngleLimit() const << 372 const G4String particleName = part->GetParticleName();
869 { << 373 if( !particle ) particle = part;
870 return theParameters->MscThetaLimit(); <<
871 } <<
872 374
873 //....oooOO0OOooo........oooOO0OOooo........oo << 375 Initialise();
874 376
875 void G4VEmProcess::PrintWarning(G4String tit, << 377 G4String filename;
876 { << 378 const G4ProductionCutsTable* theCoupleTable=
877 G4String ss = "G4VEmProcess::" + tit; << 379 G4ProductionCutsTable::GetProductionCutsTable();
878 G4ExceptionDescription ed; << 380 size_t numOfCouples = theCoupleTable->GetTableSize();
879 ed << "Parameter is out of range: " << val <<
880 << " it will have no effect!\n" << " Pro <<
881 << GetProcessName() << " nbins= " << the <<
882 << " Emin(keV)= " << theParameters->MinKi <<
883 << " Emax(GeV)= " << theParameters->MaxKi <<
884 G4Exception(ss, "em0044", JustWarning, ed); <<
885 } <<
886 <<
887 //....oooOO0OOooo........oooOO0OOooo........oo <<
888 381
889 void G4VEmProcess::ProcessDescription(std::ost << 382 filename = GetPhysicsTableFileName(part,directory,"Lambda",ascii);
890 { << 383 theLambdaTable = new G4PhysicsTable(numOfCouples);
891 if(nullptr != particle) { << 384 yes = theLambdaTable->RetrievePhysicsTable(filename,ascii);
892 StreamInfo(out, *particle, true); << 385 if ( yes ) {
>> 386 if (-1 < verboseLevel) {
>> 387 G4cout << "Lambda table for " << particleName << " is retrieved from <"
>> 388 << filename << ">"
>> 389 << G4endl;
>> 390 }
>> 391 PrintInfoDefinition();
>> 392 } else {
>> 393 theLambdaTable->clearAndDestroy();
>> 394 theLambdaTable = 0;
>> 395 if (-1 < verboseLevel) {
>> 396 G4cout << "Lambda table for " << particleName << " in file <"
>> 397 << filename << "> is not exist"
>> 398 << G4endl;
>> 399 }
893 } 400 }
>> 401
>> 402 return yes;
894 } 403 }
895 404
896 //....oooOO0OOooo........oooOO0OOooo........oo 405 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
897 406