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25 // 25 //
>> 26 // $Id: G4VEmModel.cc,v 1.30 2009/09/23 14:42:47 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-03 $
>> 28 //
26 // ------------------------------------------- 29 // -------------------------------------------------------------------
27 // 30 //
28 // GEANT4 Class file 31 // GEANT4 Class file
29 // 32 //
30 // 33 //
31 // File name: G4VEmModel 34 // File name: G4VEmModel
32 // 35 //
33 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
34 // 37 //
35 // Creation date: 25.07.2005 38 // Creation date: 25.07.2005
36 // 39 //
37 // Modifications: 40 // Modifications:
38 // 25.10.2005 Set default highLimit=100.TeV (V 41 // 25.10.2005 Set default highLimit=100.TeV (V.Ivanchenko)
39 // 06.02.2006 add method ComputeMeanFreePath() 42 // 06.02.2006 add method ComputeMeanFreePath() (mma)
40 // 16.02.2009 Move implementations of virtual 43 // 16.02.2009 Move implementations of virtual methods to source (VI)
41 // 44 //
42 // 45 //
43 // Class Description: 46 // Class Description:
44 // 47 //
45 // Abstract interface to energy loss models 48 // Abstract interface to energy loss models
46 49
47 // ------------------------------------------- 50 // -------------------------------------------------------------------
48 // 51 //
49 52
50 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh"
51 #include "G4ElementData.hh" <<
52 #include "G4LossTableManager.hh" 54 #include "G4LossTableManager.hh"
53 #include "G4LossTableBuilder.hh" <<
54 #include "G4ProductionCutsTable.hh" 55 #include "G4ProductionCutsTable.hh"
55 #include "G4ParticleChangeForLoss.hh" 56 #include "G4ParticleChangeForLoss.hh"
56 #include "G4ParticleChangeForGamma.hh" 57 #include "G4ParticleChangeForGamma.hh"
57 #include "G4EmParameters.hh" <<
58 #include "G4SystemOfUnits.hh" <<
59 #include "G4EmUtility.hh" <<
60 #include "G4Log.hh" <<
61 #include "Randomize.hh" <<
62 #include <iostream> <<
63 58
64 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 //....oooOO0OOooo........oooOO0OOooo........oo 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 61
67 G4VEmModel::G4VEmModel(const G4String& nam): 62 G4VEmModel::G4VEmModel(const G4String& nam):
68 inveplus(1.0/CLHEP::eplus), << 63 fluc(0), name(nam), lowLimit(0.1*keV), highLimit(100.0*TeV),
69 lowLimit(0.1*CLHEP::keV), << 64 eMinActive(0.0),eMaxActive(DBL_MAX),
70 highLimit(100.0*CLHEP::TeV), << 65 polarAngleLimit(0.0),secondaryThreshold(DBL_MAX),theLPMflag(false),
71 polarAngleLimit(CLHEP::pi), << 66 pParticleChange(0),nuclearStopping(false),
72 name(nam) << 67 currentCouple(0),currentElement(0),
>> 68 nsec(5),flagDeexcitation(false)
73 { 69 {
74 xsec.resize(nsec); 70 xsec.resize(nsec);
75 fEmManager = G4LossTableManager::Instance(); << 71 nSelectors = 0;
76 fEmManager->Register(this); << 72 G4LossTableManager::Instance()->Register(this);
77 isMaster = fEmManager->IsMaster(); <<
78 <<
79 G4LossTableBuilder* bld = fEmManager->GetTab <<
80 theDensityFactor = bld->GetDensityFactors(); <<
81 theDensityIdx = bld->GetCoupleIndexes(); <<
82 } 73 }
83 74
84 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
85 76
86 G4VEmModel::~G4VEmModel() 77 G4VEmModel::~G4VEmModel()
87 { 78 {
88 if(localElmSelectors) { << 79 G4LossTableManager::Instance()->DeRegister(this);
89 for(G4int i=0; i<nSelectors; ++i) { << 80 G4int n = elmSelectors.size();
90 delete (*elmSelectors)[i]; << 81 if(n > 0) {
>> 82 for(G4int i=0; i<n; i++) {
>> 83 delete elmSelectors[i];
91 } 84 }
92 delete elmSelectors; <<
93 } <<
94 delete anglModel; <<
95 <<
96 if(localTable && xSectionTable != nullptr) { <<
97 xSectionTable->clearAndDestroy(); <<
98 delete xSectionTable; <<
99 xSectionTable = nullptr; <<
100 } 85 }
101 fEmManager->DeRegister(this); <<
102 } 86 }
103 87
104 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
105 89
106 G4ParticleChangeForLoss* G4VEmModel::GetPartic 90 G4ParticleChangeForLoss* G4VEmModel::GetParticleChangeForLoss()
107 { 91 {
108 G4ParticleChangeForLoss* p = nullptr; << 92 G4ParticleChangeForLoss* p = 0;
109 if (pParticleChange != nullptr) { << 93 if (pParticleChange) {
110 p = static_cast<G4ParticleChangeForLoss*>( 94 p = static_cast<G4ParticleChangeForLoss*>(pParticleChange);
111 } else { 95 } else {
112 p = new G4ParticleChangeForLoss(); 96 p = new G4ParticleChangeForLoss();
113 pParticleChange = p; 97 pParticleChange = p;
114 } 98 }
115 if(fTripletModel != nullptr) { fTripletModel <<
116 return p; 99 return p;
117 } 100 }
118 101
119 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
120 103
121 G4ParticleChangeForGamma* G4VEmModel::GetParti 104 G4ParticleChangeForGamma* G4VEmModel::GetParticleChangeForGamma()
122 { 105 {
123 G4ParticleChangeForGamma* p = nullptr; << 106 G4ParticleChangeForGamma* p = 0;
124 if (pParticleChange != nullptr) { << 107 if (pParticleChange) {
125 p = static_cast<G4ParticleChangeForGamma*> 108 p = static_cast<G4ParticleChangeForGamma*>(pParticleChange);
126 } else { 109 } else {
127 p = new G4ParticleChangeForGamma(); 110 p = new G4ParticleChangeForGamma();
128 pParticleChange = p; 111 pParticleChange = p;
129 } 112 }
130 if(fTripletModel != nullptr) { fTripletModel <<
131 return p; 113 return p;
132 } 114 }
133 115
134 //....oooOO0OOooo........oooOO0OOooo........oo 116 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
135 117
136 void G4VEmModel::InitialiseElementSelectors(co << 118 void G4VEmModel::InitialiseElementSelectors(const G4ParticleDefinition* p,
137 co << 119 const G4DataVector& cuts)
138 { 120 {
139 if(highLimit <= lowLimit) { return; } << 121 // initialise before run
140 G4EmUtility::InitialiseElementSelectors(this << 122 flagDeexcitation = false;
141 localElmSelectors = true; <<
142 } <<
143 <<
144 //....oooOO0OOooo........oooOO0OOooo........oo <<
145 <<
146 void G4VEmModel::InitialiseLocal(const G4Parti <<
147 {} <<
148 123
149 //....oooOO0OOooo........oooOO0OOooo........oo << 124 G4int nbins = G4int(std::log10(highLimit/lowLimit) + 0.5);
150 << 125 if(nbins < 3) nbins = 3;
151 void G4VEmModel::InitialiseForMaterial(const G << 126 G4bool spline = G4LossTableManager::Instance()->SplineFlag();
152 const G << 127
153 { << 128 G4ProductionCutsTable* theCoupleTable=
154 if(material != nullptr) { << 129 G4ProductionCutsTable::GetProductionCutsTable();
155 G4int n = (G4int)material->GetNumberOfElem << 130 G4int numOfCouples = theCoupleTable->GetTableSize();
156 for(G4int i=0; i<n; ++i) { << 131
157 G4int Z = material->GetElement(i)->GetZa << 132 // prepare vector
158 InitialiseForElement(part, Z); << 133 if(numOfCouples > nSelectors) elmSelectors.reserve(numOfCouples);
>> 134
>> 135 // initialise vector
>> 136 for(G4int i=0; i<numOfCouples; i++) {
>> 137 currentCouple = theCoupleTable->GetMaterialCutsCouple(i);
>> 138 const G4Material* material = currentCouple->GetMaterial();
>> 139 G4int idx = currentCouple->GetIndex();
>> 140
>> 141 // selector already exist check if should be deleted
>> 142 G4bool create = true;
>> 143 if(i < nSelectors) {
>> 144 if(elmSelectors[i]) {
>> 145 if(material == elmSelectors[i]->GetMaterial()) create = false;
>> 146 else delete elmSelectors[i];
>> 147 }
>> 148 } else {
>> 149 nSelectors++;
>> 150 elmSelectors.push_back(0);
159 } 151 }
160 } << 152 if(create) {
>> 153 elmSelectors[i] = new G4EmElementSelector(this,material,nbins,
>> 154 lowLimit,highLimit,spline);
>> 155 }
>> 156 elmSelectors[i]->Initialise(p, cuts[idx]);
>> 157 //elmSelectors[i]->Dump(p);
>> 158 }
161 } 159 }
162 160
163 //....oooOO0OOooo........oooOO0OOooo........oo 161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
164 162
165 void G4VEmModel::InitialiseForElement(const G4 <<
166 {} <<
167 <<
168 //....oooOO0OOooo........oooOO0OOooo........oo <<
169 <<
170 G4double G4VEmModel::ComputeDEDXPerVolume(cons 163 G4double G4VEmModel::ComputeDEDXPerVolume(const G4Material*,
171 cons << 164 const G4ParticleDefinition*,
172 G4do << 165 G4double,G4double)
173 { 166 {
174 return 0.0; 167 return 0.0;
175 } 168 }
176 169
177 //....oooOO0OOooo........oooOO0OOooo........oo 170 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
178 171
179 G4double G4VEmModel::CrossSectionPerVolume(con << 172 G4double G4VEmModel::CrossSectionPerVolume(const G4Material* material,
180 con << 173 const G4ParticleDefinition* p,
181 G4d << 174 G4double ekin,
182 G4d << 175 G4double emin,
183 G4d << 176 G4double emax)
184 { << 177 {
185 SetupForMaterial(p, mat, ekin); << 178 SetupForMaterial(p, material, ekin);
186 const G4double* theAtomNumDensityVector = ma << 179 G4double cross = 0.0;
187 G4int nelm = (G4int)mat->GetNumberOfElements << 180 const G4ElementVector* theElementVector = material->GetElementVector();
>> 181 const G4double* theAtomNumDensityVector = material->GetVecNbOfAtomsPerVolume();
>> 182 G4int nelm = material->GetNumberOfElements();
188 if(nelm > nsec) { 183 if(nelm > nsec) {
189 xsec.resize(nelm); 184 xsec.resize(nelm);
190 nsec = nelm; 185 nsec = nelm;
191 } 186 }
192 G4double cross = 0.0; << 187 for (G4int i=0; i<nelm; i++) {
193 for (G4int i=0; i<nelm; ++i) { <<
194 cross += theAtomNumDensityVector[i]* 188 cross += theAtomNumDensityVector[i]*
195 ComputeCrossSectionPerAtom(p,mat->GetEle << 189 ComputeCrossSectionPerAtom(p,(*theElementVector)[i],ekin,emin,emax);
196 xsec[i] = cross; 190 xsec[i] = cross;
197 } 191 }
198 return cross; 192 return cross;
199 } 193 }
200 194
201 //....oooOO0OOooo........oooOO0OOooo........oo 195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
202 196
203 G4double G4VEmModel::GetPartialCrossSection(co <<
204 co <<
205 G4 <<
206 { <<
207 return 0.0; <<
208 } <<
209 <<
210 //....oooOO0OOooo........oooOO0OOooo........oo <<
211 <<
212 void G4VEmModel::StartTracking(G4Track*) <<
213 {} <<
214 <<
215 //....oooOO0OOooo........oooOO0OOooo........oo <<
216 <<
217 const G4Element* G4VEmModel::SelectRandomAtom( <<
218 <<
219 <<
220 <<
221 <<
222 { <<
223 G4int n = (G4int)mat->GetNumberOfElements(); <<
224 fCurrentElement = mat->GetElement(0); <<
225 if (n > 1) { <<
226 const G4double x = G4UniformRand()* <<
227 G4VEmModel::CrossSectionPerVolume(mat,pd <<
228 for(G4int i=0; i<n; ++i) { <<
229 if (x <= xsec[i]) { <<
230 fCurrentElement = mat->GetElement(i); <<
231 break; <<
232 } <<
233 } <<
234 } <<
235 return fCurrentElement; <<
236 } <<
237 <<
238 //....oooOO0OOooo........oooOO0OOooo........oo <<
239 <<
240 const G4Element* G4VEmModel::GetCurrentElement <<
241 { <<
242 const G4Element* elm = fCurrentElement; <<
243 if(nullptr == elm && nullptr != mat) { <<
244 elm = G4EmUtility::SampleRandomElement(mat <<
245 } <<
246 return elm; <<
247 } <<
248 <<
249 //....oooOO0OOooo........oooOO0OOooo........oo <<
250 <<
251 G4int G4VEmModel::SelectRandomAtomNumber(const <<
252 { <<
253 const G4Element* elm = GetCurrentElement(mat <<
254 return (nullptr == elm) ? 0 : elm->GetZasInt <<
255 } <<
256 <<
257 //....oooOO0OOooo........oooOO0OOooo........oo <<
258 <<
259 const G4Isotope* G4VEmModel::GetCurrentIsotope <<
260 { <<
261 const G4Isotope* iso = nullptr; <<
262 const G4Element* el = elm; <<
263 if(nullptr == el && nullptr != fCurrentCoupl <<
264 el = GetCurrentElement(fCurrentCouple->Get <<
265 } <<
266 if(nullptr != el) { <<
267 iso = G4EmUtility::SampleRandomIsotope(el) <<
268 } <<
269 return iso; <<
270 } <<
271 <<
272 //....oooOO0OOooo........oooOO0OOooo........oo <<
273 <<
274 G4int G4VEmModel::SelectIsotopeNumber(const G4 <<
275 { <<
276 auto iso = GetCurrentIsotope(elm); <<
277 return (nullptr != iso) ? iso->GetN() : 0; <<
278 } <<
279 <<
280 //....oooOO0OOooo........oooOO0OOooo........oo <<
281 <<
282 G4double G4VEmModel::ComputeCrossSectionPerAto 197 G4double G4VEmModel::ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
283 << 198 G4double, G4double, G4double,
284 << 199 G4double, G4double)
285 { <<
286 return 0.0; <<
287 } <<
288 <<
289 //....oooOO0OOooo........oooOO0OOooo........oo <<
290 <<
291 G4double <<
292 G4VEmModel::ComputeCrossSectionPerShell(const <<
293 G4int, <<
294 G4doub <<
295 { 200 {
296 return 0.0; 201 return 0.0;
297 } 202 }
298 203
299 //....oooOO0OOooo........oooOO0OOooo........oo 204 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
300 205
301 void G4VEmModel::DefineForRegion(const G4Regio 206 void G4VEmModel::DefineForRegion(const G4Region*)
302 {} 207 {}
303 208
304 //....oooOO0OOooo........oooOO0OOooo........oo 209 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
305 210
306 void G4VEmModel::FillNumberOfSecondaries(G4int << 211 G4double G4VEmModel::MinEnergyCut(const G4ParticleDefinition*,
307 G4int << 212 const G4MaterialCutsCouple*)
308 { 213 {
309 numberOfTriplets = 0; << 214 return 0.0;
310 numberOfRecoil = 0; <<
311 } <<
312 <<
313 //....oooOO0OOooo........oooOO0OOooo........oo <<
314 <<
315 G4double G4VEmModel::ChargeSquareRatio(const G <<
316 { <<
317 return GetChargeSquareRatio(track.GetParticl <<
318 track.GetMateria <<
319 } 215 }
320 216
321 //....oooOO0OOooo........oooOO0OOooo........oo 217 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
322 218
323 G4double G4VEmModel::GetChargeSquareRatio(cons 219 G4double G4VEmModel::GetChargeSquareRatio(const G4ParticleDefinition* p,
324 cons << 220 const G4Material*, G4double)
325 { 221 {
326 const G4double q = p->GetPDGCharge()*inveplu << 222 G4double q = p->GetPDGCharge()/CLHEP::eplus;
327 return q*q; 223 return q*q;
328 } 224 }
329 225
330 //....oooOO0OOooo........oooOO0OOooo........oo 226 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
331 227
332 G4double G4VEmModel::GetParticleCharge(const G 228 G4double G4VEmModel::GetParticleCharge(const G4ParticleDefinition* p,
333 const G << 229 const G4Material*, G4double)
334 { 230 {
335 return p->GetPDGCharge(); 231 return p->GetPDGCharge();
336 } 232 }
337 233
338 //....oooOO0OOooo........oooOO0OOooo........oo 234 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
339 235
340 void G4VEmModel::CorrectionsAlongStep(const G4 236 void G4VEmModel::CorrectionsAlongStep(const G4MaterialCutsCouple*,
341 const G4 << 237 const G4DynamicParticle*,
342 const G4 << 238 G4double&,G4double&,G4double)
343 {} 239 {}
344 240
345 //....oooOO0OOooo........oooOO0OOooo........oo 241 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
346 242
347 G4double G4VEmModel::Value(const G4MaterialCut << 243 void G4VEmModel::SampleDeexcitationAlongStep(const G4Material*,
348 const G4ParticleDef << 244 const G4Track&,
349 { << 245 G4double& )
350 SetCurrentCouple(couple); << 246 {}
351 return pFactor*e*e*CrossSectionPerVolume(pBa <<
352 } <<
353 <<
354 //....oooOO0OOooo........oooOO0OOooo........oo <<
355 <<
356 G4double G4VEmModel::MinPrimaryEnergy(const G4 <<
357 const G4 <<
358 G4double <<
359 { <<
360 return 0.0; <<
361 } <<
362 <<
363 //....oooOO0OOooo........oooOO0OOooo........oo <<
364 <<
365 G4double G4VEmModel::MinEnergyCut(const G4Part <<
366 const G4Mate <<
367 { <<
368 return 0.0; <<
369 } <<
370 247
371 //....oooOO0OOooo........oooOO0OOooo........oo 248 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
372 249
373 G4double G4VEmModel::MaxSecondaryEnergy(const 250 G4double G4VEmModel::MaxSecondaryEnergy(const G4ParticleDefinition*,
374 G4doub << 251 G4double kineticEnergy)
375 { 252 {
376 return kineticEnergy; 253 return kineticEnergy;
377 } 254 }
378 255
379 //....oooOO0OOooo........oooOO0OOooo........oo 256 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
380 257
381 void G4VEmModel::SetupForMaterial(const G4Part << 258 void G4VEmModel::SetupForMaterial(const G4ParticleDefinition*,
382 const G4Mate << 259 const G4Material*, G4double)
383 { <<
384 GetChargeSquareRatio(p, mat, ekin); <<
385 } <<
386 <<
387 //....oooOO0OOooo........oooOO0OOooo........oo <<
388 <<
389 void <<
390 G4VEmModel::SetParticleChange(G4VParticleChang <<
391 { <<
392 if(p != nullptr && pParticleChange != p) { p <<
393 if(flucModel != f) { flucModel = f; } <<
394 } <<
395 <<
396 //....oooOO0OOooo........oooOO0OOooo........oo <<
397 <<
398 void G4VEmModel::SetCrossSectionTable(G4Physic <<
399 { <<
400 xSectionTable = p; <<
401 localTable = isLocal; <<
402 } <<
403 <<
404 //....oooOO0OOooo........oooOO0OOooo........oo <<
405 <<
406 void G4VEmModel::SetLPMFlag(G4bool) <<
407 { <<
408 if (G4EmParameters::Instance()->Verbose() > <<
409 G4ExceptionDescription ed; <<
410 ed << "The obsolete method SetLPMFlag(..) <<
411 << " is called. Please, use G4EmParamet <<
412 << " instead"; <<
413 G4Exception("G4VEmModel::SetLPMFlag", "em0 <<
414 } <<
415 } <<
416 <<
417 //....oooOO0OOooo........oooOO0OOooo........oo <<
418 <<
419 void G4VEmModel::SetMasterThread(G4bool) <<
420 {} 260 {}
421 <<
422 //....oooOO0OOooo........oooOO0OOooo........oo <<
423 <<
424 void G4VEmModel::ModelDescription(std::ostrea <<
425 { <<
426 outFile << "The description for this model h <<
427 } <<
428 261
429 //....oooOO0OOooo........oooOO0OOooo........oo 262 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
430 263