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25 // 25 //
>> 26 // $Id: G4VAtomDeexcitation.cc,v 1.8 2011-01-03 19:34:03 vnivanch Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class class file 31 // GEANT4 Class class file
30 // 32 //
31 // 33 //
32 // File name: G4VAtomDeexcitation 34 // File name: G4VAtomDeexcitation
33 // 35 //
34 // Author: Alfonso Mantero & Vladimir I 36 // Author: Alfonso Mantero & Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 21.04.2010 38 // Creation date: 21.04.2010
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // Class Description: 42 // Class Description:
41 // 43 //
42 // Abstract interface to energy loss models 44 // Abstract interface to energy loss models
43 45
44 // ------------------------------------------- 46 // -------------------------------------------------------------------
45 // 47 //
46 48
47 #include "G4VAtomDeexcitation.hh" 49 #include "G4VAtomDeexcitation.hh"
48 #include "G4SystemOfUnits.hh" <<
49 #include "G4EmParameters.hh" <<
50 #include "G4ParticleDefinition.hh" 50 #include "G4ParticleDefinition.hh"
51 #include "G4DynamicParticle.hh" 51 #include "G4DynamicParticle.hh"
52 #include "G4Step.hh" 52 #include "G4Step.hh"
53 #include "G4Region.hh" 53 #include "G4Region.hh"
54 #include "G4RegionStore.hh" 54 #include "G4RegionStore.hh"
55 #include "G4MaterialCutsCouple.hh" 55 #include "G4MaterialCutsCouple.hh"
56 #include "G4MaterialCutsCouple.hh" 56 #include "G4MaterialCutsCouple.hh"
57 #include "G4Material.hh" 57 #include "G4Material.hh"
58 #include "G4Element.hh" 58 #include "G4Element.hh"
59 #include "G4ElementVector.hh" 59 #include "G4ElementVector.hh"
60 #include "Randomize.hh" 60 #include "Randomize.hh"
61 #include "G4VParticleChange.hh" 61 #include "G4VParticleChange.hh"
62 #include "G4EmSecondaryParticleType.hh" <<
63 #include "G4Gamma.hh" <<
64 #include "G4Log.hh" <<
65 <<
66 #ifdef G4MULTITHREADED <<
67 G4Mutex G4VAtomDeexcitation::atomDeexcitatio <<
68 #endif <<
69 62
70 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 64
72 G4VAtomDeexcitation::G4VAtomDeexcitation(const << 65 G4VAtomDeexcitation::G4VAtomDeexcitation(const G4String& modname,
73 : name(modname) << 66 const G4String& pname)
>> 67 : lowestKinEnergy(keV), verbose(1), name(modname), namePIXE(pname),
>> 68 nameElectronPIXE(""),isActive(false), flagAuger(false), flagPIXE(false)
74 { 69 {
75 vdyn.reserve(5); 70 vdyn.reserve(5);
76 theCoupleTable = nullptr; << 71 theCoupleTable = 0;
77 gamma = G4Gamma::Gamma(); << 72 SetDeexcitationActiveRegion("World");
78 } 73 }
79 74
80 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
81 76
82 G4VAtomDeexcitation::~G4VAtomDeexcitation() = << 77 G4VAtomDeexcitation::~G4VAtomDeexcitation()
>> 78 {}
83 79
84 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
85 81
86 void G4VAtomDeexcitation::InitialiseAtomicDeex 82 void G4VAtomDeexcitation::InitialiseAtomicDeexcitation()
87 { 83 {
88 G4EmParameters* theParameters = G4EmParamete <<
89 theParameters->DefineRegParamForDeex(this); <<
90 <<
91 // Define list of couples 84 // Define list of couples
92 theCoupleTable = G4ProductionCutsTable::GetP 85 theCoupleTable = G4ProductionCutsTable::GetProductionCutsTable();
93 nCouples = (G4int)theCoupleTable->GetTableSi << 86 size_t numOfCouples = theCoupleTable->GetTableSize();
94 << 87 activeDeexcitationMedia.resize(numOfCouples, false);
95 // needed for unit tests << 88 activeAugerMedia.resize(numOfCouples, false);
96 std::size_t nn = std::max(nCouples, 1); << 89 activePIXEMedia.resize(numOfCouples, false);
97 if(activeDeexcitationMedia.size() != nn) { << 90 activeZ.resize(93, false);
98 activeDeexcitationMedia.resize(nn, false); <<
99 activeAugerMedia.resize(nn, false); <<
100 activePIXEMedia.resize(nn, false); <<
101 } <<
102 if(activeZ.size() != 93) { activeZ.resize(93 <<
103 91
104 // initialisation of flags and options << 92 // check if deexcitation is active for the given run
105 // normally there is no locksed flags << 93 if( !isActive ) { return; }
106 if(!isActiveLocked) { isActive = theParamet <<
107 if(!isAugerLocked) { flagAuger = theParamet <<
108 if(!isPIXELocked) { flagPIXE = theParamet <<
109 ignoreCuts = theParameters->DeexcitationIgno <<
110 94
111 // Define list of regions 95 // Define list of regions
112 std::size_t nRegions = deRegions.size(); << 96 size_t nRegions = activeRegions.size();
113 // check if deexcitation is active for the g <<
114 if(!isActive && 0 == nRegions) { return; } <<
115 97
116 // if no active regions add a world << 98 // There is no active regions
117 if(0 == nRegions) { << 99 if(0 == nRegions) { return; }
118 SetDeexcitationActiveRegion("World",isActi <<
119 nRegions = deRegions.size(); <<
120 } <<
121 100
122 if(0 < verbose) { 101 if(0 < verbose) {
123 G4cout << G4endl; 102 G4cout << G4endl;
124 G4cout << "### === Deexcitation model " < 103 G4cout << "### === Deexcitation model " << name
125 << " is activated for " << nRegions << 104 << " is activated for regions:" << G4endl;
126 if(1 == nRegions) { G4cout << " region:" < <<
127 else { G4cout << " regions:" <<
128 } 105 }
129 106
130 // Identify active media 107 // Identify active media
131 const G4RegionStore* regionStore = G4RegionS << 108 G4RegionStore* regionStore = G4RegionStore::GetInstance();
132 for(std::size_t j=0; j<nRegions; ++j) { << 109 for(size_t j=0; j<nRegions; ++j) {
133 const G4Region* reg = regionStore->GetRegi 110 const G4Region* reg = regionStore->GetRegion(activeRegions[j], false);
134 if(nullptr != reg && 0 < nCouples) { << 111 const G4ProductionCuts* rpcuts = reg->GetProductionCuts();
135 const G4ProductionCuts* rpcuts = reg->Ge << 112 if(0 < verbose) {
136 if(0 < verbose) { << 113 G4cout << " " << activeRegions[j] << G4endl;
137 G4cout << " " << activeRegion <<
138 << " " << deRegions[j] << " <<
139 << " " << PIXERegions[j] << G4 <<
140 } <<
141 for(G4int i=0; i<nCouples; ++i) { <<
142 const G4MaterialCutsCouple* couple = <<
143 theCoupleTable->GetMaterialCutsCoupl <<
144 if (couple->GetProductionCuts() == rpc <<
145 activeDeexcitationMedia[i] = deRegio <<
146 activeAugerMedia[i] = AugerRegions[j <<
147 activePIXEMedia[i] = PIXERegions[j]; <<
148 } <<
149 } <<
150 } 114 }
151 } << 115
152 std::size_t nelm = G4Element::GetNumberOfEle << 116 for(size_t i=0; i<numOfCouples; ++i) {
153 //G4cout << nelm << G4endl; << 117 if( !activeDeexcitationMedia[i] ) {
154 for(std::size_t k=0; k<nelm; ++k) { << 118
155 G4int Z = (*(G4Element::GetElementTable()) << 119 const G4MaterialCutsCouple* couple =
156 if(Z > 5 && Z < 93) { << 120 theCoupleTable->GetMaterialCutsCouple(i);
157 activeZ[Z] = true; << 121 if (couple->GetProductionCuts() == rpcuts) {
158 //G4cout << "!!! Active de-excitation Z= << 122 activeDeexcitationMedia[i] = deRegions[j];
>> 123 activeAugerMedia[i] = AugerRegions[j];
>> 124 activePIXEMedia[i] = PIXERegions[j];
>> 125 const G4Material* mat = couple->GetMaterial();
>> 126 const G4ElementVector* theElementVector =
>> 127 mat->GetElementVector();
>> 128 G4int nelm = mat->GetNumberOfElements();
>> 129 if(deRegions[j]) {
>> 130 for(G4int k=0; k<nelm; ++k) {
>> 131 G4int Z = (G4int)((*theElementVector)[k])->GetZ();
>> 132 if(Z > 5 && Z < 93) { activeZ[Z] = true; }
>> 133 }
>> 134 }
>> 135 }
>> 136 }
159 } 137 }
160 } 138 }
161 139
162 // Initialise derived class 140 // Initialise derived class
163 InitialiseForNewRun(); 141 InitialiseForNewRun();
164 142
165 if(0 < verbose && flagAuger) { <<
166 G4cout << "### === Auger flag: " << flagA <<
167 << G4endl; <<
168 } <<
169 if(0 < verbose) { <<
170 G4cout << "### === Ignore cuts flag: " <<
171 << G4endl; <<
172 } <<
173 if(0 < verbose && flagPIXE) { 143 if(0 < verbose && flagPIXE) {
174 G4cout << "### === PIXE model for hadrons << 144 G4cout << "### === PIXE model for hadrons: " << namePIXE
175 << theParameters->PIXECrossSectionM << 145 << " " << IsPIXEActive()
176 << G4endl; << 146 << G4endl;
177 G4cout << "### === PIXE model for e+-: << 147 G4cout << "### === PIXE model for e+-: " << nameElectronPIXE
178 << theParameters->PIXEElectronCross << 148 << " " << IsPIXEActive()
179 << G4endl; << 149 << G4endl;
180 } 150 }
181 } 151 }
182 152
183 //....oooOO0OOooo........oooOO0OOooo........oo 153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184 154
185 void 155 void
186 G4VAtomDeexcitation::SetDeexcitationActiveRegi 156 G4VAtomDeexcitation::SetDeexcitationActiveRegion(const G4String& rname,
187 << 157 G4bool valDeexcitation,
188 << 158 G4bool valAuger,
189 << 159 G4bool valPIXE)
190 { 160 {
191 // no PIXE in parallel world << 161 G4String s = rname;
192 if(rname == "DefaultRegionForParallelWorld") << 162 //G4cout << "### G4VAtomDeexcitation::SetDeexcitationActiveRegion " << s
193 << 163 // << G4endl;
194 G4String ss = rname; << 164 if(s == "world" || s == "World" || s == "WORLD") {
195 /* << 165 s = "DefaultRegionForTheWorld";
196 G4cout << "### G4VAtomDeexcitation::SetDeexc << 166 }
197 << " " << valDeexcitation << " " << << 167 size_t n = activeRegions.size();
198 << " " << valPIXE << G4endl; << 168 if(n > 0) {
199 */ << 169 for(size_t i=0; i<n; ++i) {
200 if(ss == "world" || ss == "World" || ss == " <<
201 ss = "DefaultRegionForTheWorld"; <<
202 } <<
203 std::size_t n = deRegions.size(); <<
204 for(std::size_t i=0; i<n; ++i) { <<
205 170
206 // Region already exist << 171 // Region already exist
207 if(ss == activeRegions[i]) { << 172 if(s == activeRegions[i]) {
208 deRegions[i] = valDeexcitation; << 173 deRegions[i] = valDeexcitation;
209 AugerRegions[i] = valAuger; << 174 AugerRegions[i] = valAuger;
210 PIXERegions[i] = valPIXE; << 175 PIXERegions[i] = valPIXE;
211 return; << 176 return;
>> 177 }
212 } 178 }
213 } 179 }
214 // New region 180 // New region
215 activeRegions.push_back(ss); << 181 activeRegions.push_back(s);
216 deRegions.push_back(valDeexcitation); 182 deRegions.push_back(valDeexcitation);
217 AugerRegions.push_back(valAuger); 183 AugerRegions.push_back(valAuger);
218 PIXERegions.push_back(valPIXE); 184 PIXERegions.push_back(valPIXE);
219 <<
220 // if de-excitation defined for the world vo <<
221 // it should be active for all G4Regions <<
222 if(ss == "DefaultRegionForTheWorld") { <<
223 G4RegionStore* regions = G4RegionStore::Ge <<
224 std::size_t nn = regions->size(); <<
225 for(std::size_t i=0; i<nn; ++i) { <<
226 if(ss == (*regions)[i]->GetName()) { con <<
227 SetDeexcitationActiveRegion((*regions)[i <<
228 valAuger, va <<
229 <<
230 } <<
231 } <<
232 } <<
233 <<
234 void G4VAtomDeexcitation::GenerateParticles(st <<
235 co <<
236 G4 <<
237 { <<
238 G4double gCut = DBL_MAX; <<
239 if(ignoreCuts) { <<
240 gCut = 0.0; <<
241 } else if (nullptr != theCoupleTable) { <<
242 gCut = (*(theCoupleTable->GetEnergyCutsVec <<
243 } <<
244 if(gCut < as->BindingEnergy()) { <<
245 G4double eCut = DBL_MAX; <<
246 if(CheckAugerActiveRegion(idx)) { <<
247 if(ignoreCuts) { <<
248 eCut = 0.0; <<
249 } else if (nullptr != theCoupleTable) { <<
250 eCut = (*(theCoupleTable->GetEnergyCut <<
251 } <<
252 } <<
253 GenerateParticles(v, as, Z, gCut, eCut); <<
254 } <<
255 } 185 }
256 186
257 //....oooOO0OOooo........oooOO0OOooo........oo 187 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
258 188
259 void << 189 void
260 G4VAtomDeexcitation::AlongStepDeexcitation(std 190 G4VAtomDeexcitation::AlongStepDeexcitation(std::vector<G4Track*>& tracks,
261 con << 191 const G4Step& step,
262 G4d << 192 G4double& eLoss,
263 G4i 193 G4int coupleIndex)
264 { 194 {
265 G4double truelength = step.GetStepLength(); << 195 if(!flagPIXE || !isActive || !activeDeexcitationMedia[coupleIndex] ||
266 if(!flagPIXE && !activePIXEMedia[coupleIndex << 196 !activePIXEMedia[coupleIndex] || eLoss == 0.0) { return; }
267 if(eLossMax <= 0.0 || truelength <= 0.0) <<
268 197
269 // step parameters 198 // step parameters
270 const G4StepPoint* preStep = step.GetPreStep 199 const G4StepPoint* preStep = step.GetPreStepPoint();
271 const G4ThreeVector prePos = preStep->GetPos << 200 G4ThreeVector prePos = preStep->GetPosition();
272 const G4ThreeVector delta = step.GetPostStep << 201 G4ThreeVector delta = step.GetPostStepPoint()->GetPosition() - prePos;
273 const G4double preTime = preStep->GetGlobalT << 202 G4double preTime = preStep->GetGlobalTime();
274 const G4double dt = step.GetPostStepPoint()- << 203 G4double dt = step.GetPostStepPoint()->GetGlobalTime() - preTime;
>> 204 G4double truelength = step.GetStepLength();
275 205
276 // particle parameters 206 // particle parameters
277 const G4Track* track = step.GetTrack(); 207 const G4Track* track = step.GetTrack();
278 const G4ParticleDefinition* part = track->Ge 208 const G4ParticleDefinition* part = track->GetDefinition();
279 G4double ekin = preStep->GetKineticEnergy(); << 209 G4double ekin = preStep->GetKineticEnergy() - 0.5*eLoss;
>> 210 if(ekin <= lowestKinEnergy) { return; }
280 211
281 // media parameters 212 // media parameters
282 G4double gCut = (*theCoupleTable->GetEnergyC 213 G4double gCut = (*theCoupleTable->GetEnergyCutsVector(0))[coupleIndex];
283 if(ignoreCuts) { gCut = 0.0; } <<
284 G4double eCut = DBL_MAX; 214 G4double eCut = DBL_MAX;
285 if(CheckAugerActiveRegion(coupleIndex)) { << 215 if(flagAuger && activeAugerMedia[coupleIndex]) {
286 eCut = (*theCoupleTable->GetEnergyCutsVect 216 eCut = (*theCoupleTable->GetEnergyCutsVector(1))[coupleIndex];
287 if(ignoreCuts) { eCut = 0.0; } <<
288 } 217 }
289 218
290 //G4cout<<"!Sample PIXE gCut(MeV)= "<<gCut<< 219 //G4cout<<"!Sample PIXE gCut(MeV)= "<<gCut<<" eCut(MeV)= "<<eCut
291 // <<" Ekin(MeV)= " << ekin/MeV << G4 << 220 // <<" Ekin(MeV)= " << ekin/MeV << G4endl;
292 221
293 const G4Material* material = preStep->GetMat 222 const G4Material* material = preStep->GetMaterial();
294 const G4ElementVector* theElementVector = ma 223 const G4ElementVector* theElementVector = material->GetElementVector();
295 const G4double* theAtomNumDensityVector = << 224 const G4double* theAtomNumDensityVector = material->GetVecNbOfAtomsPerVolume();
296 material->GetVecNbOfAtomsPerVolume(); << 225 G4int nelm = material->GetNumberOfElements();
297 const std::size_t nelm = material->GetNumber <<
298 226
299 // loop over deexcitations 227 // loop over deexcitations
300 for(std::size_t i=0; i<nelm; ++i) { << 228 for(G4int i=0; i<nelm; ++i) {
301 G4int Z = (*theElementVector)[i]->GetZasIn << 229 G4int Z = G4int((*theElementVector)[i]->GetZ());
302 if(activeZ[Z] && Z < 93) { << 230 if(Z >= 93) { continue; }
303 G4int nshells = << 231 if(!activeZ[Z]) { continue; }
304 std::min(9,(*theElementVector)[i]->Get << 232 G4int nshells = std::min(9,(*theElementVector)[i]->GetNbOfAtomicShells());
305 G4double rho = truelength*theAtomNumDens << 233 G4double rho = truelength*theAtomNumDensityVector[i];
306 //G4cout<<" Z "<< Z <<" is active x(m << 234 //G4cout << " Z " << Z <<" is active x(mm)= " << truelength/mm << G4endl;
>> 235 if(rho > 0.0) {
307 for(G4int ii=0; ii<nshells; ++ii) { 236 for(G4int ii=0; ii<nshells; ++ii) {
308 auto as = (G4AtomicShellEnumerator)(ii << 237 G4AtomicShellEnumerator as = G4AtomicShellEnumerator(ii);
309 const G4AtomicShell* shell = GetAtomic << 238 const G4AtomicShell* shell = GetAtomicShell(Z, as);
310 const G4double bindingEnergy = shell-> << 239 if(gCut < shell->BindingEnergy()) {
311 << 240 G4double sig = rho*
312 if(gCut > bindingEnergy) { break; } << 241 GetShellIonisationCrossSectionPerAtom(part, Z, as, ekin, material);
313 << 242
314 if(eLossMax > bindingEnergy) { << 243 // mfp is mean free path in units of step size
315 G4double sig = rho* << 244 if(sig > 0.0) {
316 GetShellIonisationCrossSectionPerA << 245 G4double mfp = 1.0/sig;
317 << 246 G4double stot = 0.0;
318 // mfp is mean free path in units of << 247 //G4cout << " Shell " << ii << " mfp(mm)= " << mfp/mm << G4endl;
319 if(sig > 0.0) { << 248 // sample ionisation points
320 G4double mfp = 1.0/sig; << 249 do {
321 G4double stot = 0.0; << 250 stot -= mfp*std::log(G4UniformRand());
322 //G4cout << " Shell " << ii << " m << 251 if( stot <= 1.0) {
323 // sample ionisation points << 252
324 do { << 253 // sample deexcitation
325 stot -= mfp*G4Log(G4UniformRand( << 254 vdyn.clear();
326 if( stot > 1.0 || eLossMax < bin << 255 GenerateParticles(&vdyn, shell, Z, gCut, eCut);
327 // sample deexcitation << 256 G4int nsec = vdyn.size();
328 vdyn.clear(); << 257 if(nsec > 0) {
329 GenerateParticles(&vdyn, shell, << 258 G4ThreeVector r = prePos + stot*delta;
330 std::size_t nsec = vdyn.size(); << 259 G4double time = preTime + stot*dt;
331 if(nsec > 0) { << 260 for(G4int j=0; j<nsec; ++j) {
332 G4ThreeVector r = prePos + st << 261 G4DynamicParticle* dp = vdyn[j];
333 G4double time = preTime + st << 262 G4double e = dp->GetKineticEnergy();
334 for(std::size_t j=0; j<nsec; + << 263
335 G4DynamicParticle* dp = vdyn << 264 // save new secondary if there is enough energy
336 G4double e = dp->GetKineticE << 265 if(e <= eLoss) {
337 << 266 G4Track* t = new G4Track(dp, time, r);
338 // save new secondary if the << 267 tracks.push_back(t);
339 if(eLossMax >= e) { << 268 eLoss -= e;
340 eLossMax -= e; << 269 } else {
341 G4Track* t = new G4Track(d << 270 delete dp;
342 << 271 }
343 // defined secondary type << 272 }
344 if(dp->GetDefinition() == << 273 }
345 t->SetCreatorModelID(_Ga << 274 }
346 } else { << 275 } while ( stot < 1.0 && eLoss > 0.0);
347 t->SetCreatorModelID(_eP << 276 }
348 } << 277 }
349 tracks.push_back(t); <<
350 } else { <<
351 delete dp; <<
352 } <<
353 } <<
354 } <<
355 // Loop checking, 03-Aug-2015, V <<
356 } while (stot < 1.0); <<
357 } <<
358 } <<
359 } 278 }
360 } 279 }
361 } 280 }
362 return; <<
363 } 281 }
364 282
365 //....oooOO0OOooo........oooOO0OOooo........oo 283 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
366 284