| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 // $Id: G4PenelopePhotoElectricModel.cc,v 1.6 2010-12-15 10:26:41 pandola Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 // Author: Luciano Pandola 29 // Author: Luciano Pandola
28 // 30 //
29 // History: 31 // History:
30 // -------- 32 // --------
31 // 08 Jan 2010 L Pandola First implementati 33 // 08 Jan 2010 L Pandola First implementation
32 // 01 Feb 2011 L Pandola Suppress fake ener << 34 // 01 Feb 2011 L Pandola Suppress fake energy-violation warning when Auger is active.
33 // is active. << 35 // Make sure that fluorescence/Auger is generated only if
34 // Make sure that flu << 36 // above threshold
35 // only if above thre <<
36 // 25 May 2011 L Pandola Renamed (make v200 37 // 25 May 2011 L Pandola Renamed (make v2008 as default Penelope)
37 // 10 Jun 2011 L Pandola Migrate atomic dee 38 // 10 Jun 2011 L Pandola Migrate atomic deexcitation interface
38 // 07 Oct 2011 L Pandola Bug fix (potential 39 // 07 Oct 2011 L Pandola Bug fix (potential violation of energy conservation)
39 // 27 Sep 2013 L Pandola Migrate to MT para <<
40 // tables. <<
41 // 02 Oct 2013 L Pandola Rewrite sampling a <<
42 // to improve CPU per <<
43 // 40 //
44 41
45 #include "G4PenelopePhotoElectricModel.hh" 42 #include "G4PenelopePhotoElectricModel.hh"
46 #include "G4PhysicalConstants.hh" <<
47 #include "G4SystemOfUnits.hh" <<
48 #include "G4ParticleDefinition.hh" 43 #include "G4ParticleDefinition.hh"
49 #include "G4MaterialCutsCouple.hh" 44 #include "G4MaterialCutsCouple.hh"
50 #include "G4DynamicParticle.hh" 45 #include "G4DynamicParticle.hh"
51 #include "G4PhysicsTable.hh" 46 #include "G4PhysicsTable.hh"
52 #include "G4PhysicsFreeVector.hh" 47 #include "G4PhysicsFreeVector.hh"
53 #include "G4ElementTable.hh" 48 #include "G4ElementTable.hh"
54 #include "G4Element.hh" 49 #include "G4Element.hh"
55 #include "G4AtomicTransitionManager.hh" 50 #include "G4AtomicTransitionManager.hh"
56 #include "G4AtomicShell.hh" 51 #include "G4AtomicShell.hh"
57 #include "G4Gamma.hh" 52 #include "G4Gamma.hh"
58 #include "G4Electron.hh" 53 #include "G4Electron.hh"
59 #include "G4AutoLock.hh" <<
60 #include "G4LossTableManager.hh" 54 #include "G4LossTableManager.hh"
61 #include "G4Exp.hh" <<
62 55
63 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
64 57
65 const G4int G4PenelopePhotoElectricModel::fMax <<
66 G4PhysicsTable* G4PenelopePhotoElectricModel:: <<
67 58
68 //....oooOO0OOooo........oooOO0OOooo........oo << 59 G4PenelopePhotoElectricModel::G4PenelopePhotoElectricModel(const G4ParticleDefinition*,
69 <<
70 G4PenelopePhotoElectricModel::G4PenelopePhotoE <<
71 const G4String& nam) 60 const G4String& nam)
72 :G4VEmModel(nam),fParticleChange(nullptr),fP << 61 :G4VEmModel(nam),isInitialised(false),logAtomicShellXS(0)
73 fAtomDeexcitation(nullptr),fIsInitialised(f <<
74 { 62 {
75 fIntrinsicLowEnergyLimit = 100.0*eV; 63 fIntrinsicLowEnergyLimit = 100.0*eV;
76 fIntrinsicHighEnergyLimit = 100.0*GeV; 64 fIntrinsicHighEnergyLimit = 100.0*GeV;
77 // SetLowEnergyLimit(fIntrinsicLowEnergyLim 65 // SetLowEnergyLimit(fIntrinsicLowEnergyLimit);
78 SetHighEnergyLimit(fIntrinsicHighEnergyLimit 66 SetHighEnergyLimit(fIntrinsicHighEnergyLimit);
79 // 67 //
80 << 68 verboseLevel= 0;
81 if (part) <<
82 SetParticle(part); <<
83 <<
84 fVerboseLevel= 0; <<
85 // Verbosity scale: 69 // Verbosity scale:
86 // 0 = nothing << 70 // 0 = nothing
87 // 1 = warning for energy non-conservation << 71 // 1 = warning for energy non-conservation
88 // 2 = details of energy budget 72 // 2 = details of energy budget
89 // 3 = calculation of cross sections, file o 73 // 3 = calculation of cross sections, file openings, sampling of atoms
90 // 4 = entering in methods 74 // 4 = entering in methods
91 75
92 //Mark this model as "applicable" for atomic 76 //Mark this model as "applicable" for atomic deexcitation
93 SetDeexcitationFlag(true); 77 SetDeexcitationFlag(true);
94 78
95 fTransitionManager = G4AtomicTransitionManag 79 fTransitionManager = G4AtomicTransitionManager::Instance();
96 } 80 }
97 81
98 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
99 83
100 G4PenelopePhotoElectricModel::~G4PenelopePhoto 84 G4PenelopePhotoElectricModel::~G4PenelopePhotoElectricModel()
101 { << 85 {
102 if (IsMaster() || fLocalTable) << 86 std::map <const G4int,G4PhysicsTable*>::iterator i;
>> 87 if (logAtomicShellXS)
103 { 88 {
104 for(G4int i=0; i<=fMaxZ; ++i) << 89 for (i=logAtomicShellXS->begin();i != logAtomicShellXS->end();i++)
105 { 90 {
106 if(fLogAtomicShellXS[i]) { << 91 G4PhysicsTable* tab = i->second;
107 fLogAtomicShellXS[i]->clearAndDestroy(); << 92 tab->clearAndDestroy();
108 delete fLogAtomicShellXS[i]; << 93 delete tab;
109 fLogAtomicShellXS[i] = nullptr; <<
110 } <<
111 } 94 }
112 } 95 }
>> 96 delete logAtomicShellXS;
113 } 97 }
114 98
115 //....oooOO0OOooo........oooOO0OOooo........oo 99 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
116 100
117 void G4PenelopePhotoElectricModel::Initialise( 101 void G4PenelopePhotoElectricModel::Initialise(const G4ParticleDefinition* particle,
118 const G4DataVector& cuts) 102 const G4DataVector& cuts)
119 { 103 {
120 if (fVerboseLevel > 3) << 104 if (verboseLevel > 3)
121 G4cout << "Calling G4PenelopePhotoElectri 105 G4cout << "Calling G4PenelopePhotoElectricModel::Initialise()" << G4endl;
122 106
123 fAtomDeexcitation = G4LossTableManager::Inst << 107 // logAtomicShellXS is created only once, since it is never cleared
124 //Issue warning if the AtomicDeexcitation ha << 108 if (!logAtomicShellXS)
125 if (!fAtomDeexcitation) << 109 logAtomicShellXS = new std::map<const G4int,G4PhysicsTable*>;
126 { <<
127 G4cout << G4endl; <<
128 G4cout << "WARNING from G4PenelopePhotoE <<
129 G4cout << "Atomic de-excitation module i <<
130 G4cout << "any fluorescence/Auger emissi <<
131 G4cout << "Please make sure this is inte <<
132 } <<
133 <<
134 SetParticle(particle); <<
135 <<
136 //Only the master model creates/fills/destro <<
137 if (IsMaster() && particle == fParticle) <<
138 { <<
139 G4ProductionCutsTable* theCoupleTable = <<
140 G4ProductionCutsTable::GetProductionCutsTabl <<
141 <<
142 for (G4int i=0;i<(G4int)theCoupleTable-> <<
143 { <<
144 const G4Material* material = <<
145 theCoupleTable->GetMaterialCutsCouple(i) <<
146 const G4ElementVector* theElementVector = <<
147 <<
148 for (std::size_t j=0;j<material->GetNumber <<
149 { <<
150 G4int iZ = theElementVector->at(j)->Ge <<
151 //read data files only in the master <<
152 if (!fLogAtomicShellXS[iZ]) <<
153 ReadDataFile(iZ); <<
154 } <<
155 } <<
156 110
157 InitialiseElementSelectors(particle,cuts << 111 InitialiseElementSelectors(particle,cuts);
>> 112 fAtomDeexcitation = G4LossTableManager::Instance()->AtomDeexcitation();
158 113
159 if (fVerboseLevel > 0) { << 114 if (verboseLevel > 0) {
160 G4cout << "Penelope Photo-Electric model v20 << 115 G4cout << "Penelope Photo-Electric model v2008 is initialized " << G4endl
161 << "Energy range: " << 116 << "Energy range: "
162 << LowEnergyLimit() / MeV << " MeV - << 117 << LowEnergyLimit() / MeV << " MeV - "
163 << HighEnergyLimit() / GeV << " GeV"; << 118 << HighEnergyLimit() / GeV << " GeV";
164 } << 119 }
165 } <<
166 120
167 if(fIsInitialised) return; << 121 if(isInitialised) return;
168 fParticleChange = GetParticleChangeForGamma( 122 fParticleChange = GetParticleChangeForGamma();
169 fIsInitialised = true; << 123 isInitialised = true;
170 124
171 } 125 }
172 126
173 void G4PenelopePhotoElectricModel::InitialiseL <<
174 G4VEmModel *masterModel) <<
175 { <<
176 if (fVerboseLevel > 3) <<
177 G4cout << "Calling G4PenelopePhotoElectri <<
178 // <<
179 //Check that particle matches: one might hav <<
180 //for e+ and e-). <<
181 // <<
182 if (part == fParticle) <<
183 { <<
184 SetElementSelectors(masterModel->GetElem <<
185 <<
186 //Get the const table pointers from the <<
187 const G4PenelopePhotoElectricModel* theM <<
188 static_cast<G4PenelopePhotoElectricModel*> ( <<
189 for(G4int i=0; i<=fMaxZ; ++i) <<
190 fLogAtomicShellXS[i] = theModel->fLogAtomicS <<
191 //Same verbosity for all workers, as the <<
192 fVerboseLevel = theModel->fVerboseLevel; <<
193 } <<
194 <<
195 return; <<
196 } <<
197 <<
198 //....oooOO0OOooo........oooOO0OOooo........oo 127 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
199 namespace { G4Mutex PenelopePhotoElectricMode << 128
200 G4double G4PenelopePhotoElectricModel::Compute 129 G4double G4PenelopePhotoElectricModel::ComputeCrossSectionPerAtom(
201 const G4ParticleDefinition*, 130 const G4ParticleDefinition*,
202 G4double energy, 131 G4double energy,
203 G4double Z, G4double, 132 G4double Z, G4double,
204 G4double, G4double) 133 G4double, G4double)
205 { 134 {
206 // 135 //
207 // Penelope model v2008 136 // Penelope model v2008
208 // 137 //
209 if (fVerboseLevel > 3) <<
210 G4cout << "Calling ComputeCrossSectionPerA <<
211 138
212 G4int iZ = G4int(Z); << 139 if (verboseLevel > 3)
>> 140 G4cout << "Calling ComputeCrossSectionPerAtom() of G4PenelopePhotoElectricModel" << G4endl;
213 141
214 if (!fLogAtomicShellXS[iZ]) << 142 G4int iZ = (G4int) Z;
215 { <<
216 //If we are here, it means that Initiali <<
217 //not filled up. This can happen in a Un <<
218 if (fVerboseLevel > 0) <<
219 { <<
220 //Issue a G4Exception (warning) only in ve <<
221 G4ExceptionDescription ed; <<
222 ed << "Unable to retrieve the shell cross <<
223 ed << "This can happen only in Unit Tests <<
224 G4Exception("G4PenelopePhotoElectricModel: <<
225 "em2038",JustWarning,ed); <<
226 } <<
227 //protect file reading via autolock <<
228 G4AutoLock lock(&PenelopePhotoElectricMo <<
229 ReadDataFile(iZ); <<
230 lock.unlock(); <<
231 } <<
232 143
>> 144 //read data files
>> 145 if (!logAtomicShellXS->count(iZ))
>> 146 ReadDataFile(iZ);
>> 147 //now it should be ok
>> 148 if (!logAtomicShellXS->count(iZ))
>> 149 G4Exception("G4PenelopePhotoElectricModel::ComputeCrossSectionPerAtom()",
>> 150 "em2038",FatalException,
>> 151 "Unable to retrieve the shell cross section table");
>> 152
233 G4double cross = 0; 153 G4double cross = 0;
234 G4PhysicsTable* theTable = fLogAtomicShellX << 154
>> 155 G4PhysicsTable* theTable = logAtomicShellXS->find(iZ)->second;
235 G4PhysicsFreeVector* totalXSLog = (G4Physics 156 G4PhysicsFreeVector* totalXSLog = (G4PhysicsFreeVector*) (*theTable)[0];
236 157
237 if (!totalXSLog) 158 if (!totalXSLog)
238 { 159 {
239 G4Exception("G4PenelopePhotoElectricMod 160 G4Exception("G4PenelopePhotoElectricModel::ComputeCrossSectionPerAtom()",
240 "em2039",FatalException, 161 "em2039",FatalException,
241 "Unable to retrieve the total cross sec << 162 "Unable to retrieve the total cross section table");
242 return 0; 163 return 0;
243 } 164 }
244 G4double logene = G4Log(energy); << 165 G4double logene = std::log(energy);
245 G4double logXS = totalXSLog->Value(logene); 166 G4double logXS = totalXSLog->Value(logene);
246 cross = G4Exp(logXS); << 167 cross = std::exp(logXS);
247 << 168
248 if (fVerboseLevel > 2) << 169 if (verboseLevel > 2)
249 G4cout << "Photoelectric cross section at 170 G4cout << "Photoelectric cross section at " << energy/MeV << " MeV for Z=" << Z <<
250 " = " << cross/barn << " barn" << G4endl 171 " = " << cross/barn << " barn" << G4endl;
251 return cross; 172 return cross;
252 } 173 }
253 174
254 //....oooOO0OOooo........oooOO0OOooo........oo 175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
255 176
256 void G4PenelopePhotoElectricModel::SampleSecon 177 void G4PenelopePhotoElectricModel::SampleSecondaries(std::vector<G4DynamicParticle*>* fvect,
257 const G4MaterialCutsCouple* c 178 const G4MaterialCutsCouple* couple,
258 const G4DynamicParticle* aDyn 179 const G4DynamicParticle* aDynamicGamma,
259 G4double, 180 G4double,
260 G4double) 181 G4double)
261 { 182 {
262 // 183 //
263 // Photoelectric effect, Penelope model v200 184 // Photoelectric effect, Penelope model v2008
264 // 185 //
265 // The target atom and the target shell are << 186 // The target atom and the target shell are sampled according to the Livermore
266 // database << 187 // database
267 // D.E. Cullen et al., Report UCRL-50400 (1 188 // D.E. Cullen et al., Report UCRL-50400 (1989)
268 // The angular distribution of the electron << 189 // The angular distribution of the electron in the final state is sampled
269 // according to the Sauter distribution from << 190 // according to the Sauter distribution from
270 // F. Sauter, Ann. Phys. 11 (1931) 454 191 // F. Sauter, Ann. Phys. 11 (1931) 454
271 // The energy of the final electron is given << 192 // The energy of the final electron is given by the initial photon energy minus
272 // the binding energy. Fluorescence de-excit << 193 // the binding energy. Fluorescence de-excitation is subsequently produced
273 // (to fill the vacancy) according to the ge 194 // (to fill the vacancy) according to the general Geant4 G4DeexcitationManager:
274 // J. Stepanek, Comp. Phys. Comm. 1206 pp 1 195 // J. Stepanek, Comp. Phys. Comm. 1206 pp 1-1-9 (1997)
275 196
276 if (fVerboseLevel > 3) << 197 if (verboseLevel > 3)
277 G4cout << "Calling SamplingSecondaries() o 198 G4cout << "Calling SamplingSecondaries() of G4PenelopePhotoElectricModel" << G4endl;
278 199
279 G4double photonEnergy = aDynamicGamma->GetKi 200 G4double photonEnergy = aDynamicGamma->GetKineticEnergy();
280 201
281 // always kill primary 202 // always kill primary
282 fParticleChange->ProposeTrackStatus(fStopAnd 203 fParticleChange->ProposeTrackStatus(fStopAndKill);
283 fParticleChange->SetProposedKineticEnergy(0. 204 fParticleChange->SetProposedKineticEnergy(0.);
284 205
285 if (photonEnergy <= fIntrinsicLowEnergyLimit 206 if (photonEnergy <= fIntrinsicLowEnergyLimit)
286 { 207 {
287 fParticleChange->ProposeLocalEnergyDepos 208 fParticleChange->ProposeLocalEnergyDeposit(photonEnergy);
288 return ; 209 return ;
289 } 210 }
290 211
291 G4ParticleMomentum photonDirection = aDynami 212 G4ParticleMomentum photonDirection = aDynamicGamma->GetMomentumDirection();
292 213
293 // Select randomly one element in the curren 214 // Select randomly one element in the current material
294 if (fVerboseLevel > 2) << 215 if (verboseLevel > 2)
295 G4cout << "Going to select element in " << 216 G4cout << "Going to select element in " << couple->GetMaterial()->GetName() << G4endl;
296 217
297 // atom can be selected efficiently if eleme 218 // atom can be selected efficiently if element selectors are initialised
298 const G4Element* anElement = 219 const G4Element* anElement =
299 SelectRandomAtom(couple,G4Gamma::GammaDefi 220 SelectRandomAtom(couple,G4Gamma::GammaDefinition(),photonEnergy);
300 G4int Z = anElement->GetZasInt(); << 221 G4int Z = (G4int) anElement->GetZ();
301 if (fVerboseLevel > 2) << 222 if (verboseLevel > 2)
302 G4cout << "Selected " << anElement->GetNam 223 G4cout << "Selected " << anElement->GetName() << G4endl;
303 << 224
304 // Select the ionised shell in the current a 225 // Select the ionised shell in the current atom according to shell cross sections
305 //shellIndex = 0 --> K shell 226 //shellIndex = 0 --> K shell
306 // 1-3 --> L shells 227 // 1-3 --> L shells
307 // 4-8 --> M shells 228 // 4-8 --> M shells
308 // 9 --> outer shells cumulative 229 // 9 --> outer shells cumulatively
309 // 230 //
310 std::size_t shellIndex = SelectRandomShell(Z << 231 size_t shellIndex = SelectRandomShell(Z,photonEnergy);
311 232
312 if (fVerboseLevel > 2) << 233 if (verboseLevel > 2)
313 G4cout << "Selected shell " << shellIndex 234 G4cout << "Selected shell " << shellIndex << " of element " << anElement->GetName() << G4endl;
314 235
315 // Retrieve the corresponding identifier and 236 // Retrieve the corresponding identifier and binding energy of the selected shell
316 const G4AtomicTransitionManager* transitionM 237 const G4AtomicTransitionManager* transitionManager = G4AtomicTransitionManager::Instance();
317 238
318 //The number of shell cross section possibly << 239 //The number of shell cross section possibly reported in the Penelope database
319 //might be different from the number of shel 240 //might be different from the number of shells in the G4AtomicTransitionManager
320 //(namely, Penelope may contain more shell, 241 //(namely, Penelope may contain more shell, especially for very light elements).
321 //In order to avoid a warning message from t << 242 //In order to avoid a warning message from the G4AtomicTransitionManager, I
322 //add this protection. Results are anyway ch 243 //add this protection. Results are anyway changed, because when G4AtomicTransitionManager
323 //has a shellID>maxID, it sets the shellID t << 244 //has a shellID>maxID, it sets the shellID to the last valid shell.
324 std::size_t numberOfShells = (std::size_t) t << 245 size_t numberOfShells = (size_t) transitionManager->NumberOfShells(Z);
325 if (shellIndex >= numberOfShells) 246 if (shellIndex >= numberOfShells)
326 shellIndex = numberOfShells-1; 247 shellIndex = numberOfShells-1;
327 248
328 const G4AtomicShell* shell = fTransitionMana 249 const G4AtomicShell* shell = fTransitionManager->Shell(Z,shellIndex);
329 G4double bindingEnergy = shell->BindingEnerg 250 G4double bindingEnergy = shell->BindingEnergy();
>> 251 //G4int shellId = shell->ShellId();
330 252
331 //Penelope considers only K, L and M shells. << 253 //Penelope considers only K, L and M shells. Cross sections of outer shells are
332 //not included in the Penelope database. If << 254 //not included in the Penelope database. If SelectRandomShell() returns
333 //shellIndex = 9, it means that an outer she << 255 //shellIndex = 9, it means that an outer shell was ionized. In this case the
334 //Penelope recipe is to set bindingEnergy = << 256 //Penelope recipe is to set bindingEnergy = 0 (the energy is entirely assigned
335 //to the electron) and to disregard fluoresc 257 //to the electron) and to disregard fluorescence.
336 if (shellIndex == 9) 258 if (shellIndex == 9)
337 bindingEnergy = 0.*eV; 259 bindingEnergy = 0.*eV;
338 260
>> 261
339 G4double localEnergyDeposit = 0.0; 262 G4double localEnergyDeposit = 0.0;
340 G4double cosTheta = 1.0; 263 G4double cosTheta = 1.0;
341 264
342 // Primary outcoming electron 265 // Primary outcoming electron
343 G4double eKineticEnergy = photonEnergy - bin 266 G4double eKineticEnergy = photonEnergy - bindingEnergy;
344 << 267
345 // There may be cases where the binding ener 268 // There may be cases where the binding energy of the selected shell is > photon energy
346 // In such cases do not generate secondaries 269 // In such cases do not generate secondaries
347 if (eKineticEnergy > 0.) 270 if (eKineticEnergy > 0.)
348 { 271 {
349 // The electron is created 272 // The electron is created
350 // Direction sampled from the Sauter dis 273 // Direction sampled from the Sauter distribution
351 cosTheta = SampleElectronDirection(eKine 274 cosTheta = SampleElectronDirection(eKineticEnergy);
352 G4double sinTheta = std::sqrt(1-cosTheta 275 G4double sinTheta = std::sqrt(1-cosTheta*cosTheta);
353 G4double phi = twopi * G4UniformRand() ; 276 G4double phi = twopi * G4UniformRand() ;
354 G4double dirx = sinTheta * std::cos(phi) 277 G4double dirx = sinTheta * std::cos(phi);
355 G4double diry = sinTheta * std::sin(phi) 278 G4double diry = sinTheta * std::sin(phi);
356 G4double dirz = cosTheta ; 279 G4double dirz = cosTheta ;
357 G4ThreeVector electronDirection(dirx,dir 280 G4ThreeVector electronDirection(dirx,diry,dirz); //electron direction
358 electronDirection.rotateUz(photonDirecti 281 electronDirection.rotateUz(photonDirection);
359 G4DynamicParticle* electron = new G4Dyna << 282 G4DynamicParticle* electron = new G4DynamicParticle (G4Electron::Electron(),
360 electronDirection, << 283 electronDirection,
361 eKineticEnergy); 284 eKineticEnergy);
362 fvect->push_back(electron); 285 fvect->push_back(electron);
363 } << 286 }
364 else << 287 else
365 bindingEnergy = photonEnergy; 288 bindingEnergy = photonEnergy;
366 289
>> 290
367 G4double energyInFluorescence = 0; //testing 291 G4double energyInFluorescence = 0; //testing purposes
368 G4double energyInAuger = 0; //testing purpos 292 G4double energyInAuger = 0; //testing purposes
369 << 293
370 //Now, take care of fluorescence, if require 294 //Now, take care of fluorescence, if required. According to the Penelope
371 //recipe, I have to skip fluoresence complet << 295 //recipe, I have to skip fluoresence completely if shellIndex == 9
372 //(= sampling of a shell outer than K,L,M) 296 //(= sampling of a shell outer than K,L,M)
373 if (fAtomDeexcitation && shellIndex<9) 297 if (fAtomDeexcitation && shellIndex<9)
374 { << 298 {
375 G4int index = couple->GetIndex(); 299 G4int index = couple->GetIndex();
376 if (fAtomDeexcitation->CheckDeexcitation 300 if (fAtomDeexcitation->CheckDeexcitationActiveRegion(index))
377 { << 301 {
378 std::size_t nBefore = fvect->size(); << 302 size_t nBefore = fvect->size();
379 fAtomDeexcitation->GenerateParticles(fvect 303 fAtomDeexcitation->GenerateParticles(fvect,shell,Z,index);
380 std::size_t nAfter = fvect->size(); << 304 size_t nAfter = fvect->size();
381 305
382 if (nAfter > nBefore) //actual production 306 if (nAfter > nBefore) //actual production of fluorescence
383 { 307 {
384 for (std::size_t j=nBefore;j<nAfter;++ << 308 for (size_t j=nBefore;j<nAfter;j++) //loop on products
385 { 309 {
386 G4double itsEnergy = ((*fvect)[j])->GetK 310 G4double itsEnergy = ((*fvect)[j])->GetKineticEnergy();
387 if (itsEnergy < bindingEnergy) // valid << 311 bindingEnergy -= itsEnergy;
388 { << 312 if (((*fvect)[j])->GetParticleDefinition() == G4Gamma::Definition())
389 bindingEnergy -= itsEnergy; << 313 energyInFluorescence += itsEnergy;
390 if (((*fvect)[j])->GetParticleDefini << 314 else if (((*fvect)[j])->GetParticleDefinition() == G4Electron::Definition())
391 energyInFluorescence += itsEnergy; << 315 energyInAuger += itsEnergy;
392 else if (((*fvect)[j])->GetParticleD << 316
393 energyInAuger += itsEnergy; <<
394 } <<
395 else //invalid secondary: takes more tha <<
396 { <<
397 delete (*fvect)[j]; <<
398 (*fvect)[j] = nullptr; <<
399 } <<
400 } 317 }
401 } 318 }
>> 319
402 } 320 }
403 } 321 }
404 322
405 //Residual energy is deposited locally 323 //Residual energy is deposited locally
406 localEnergyDeposit += bindingEnergy; 324 localEnergyDeposit += bindingEnergy;
407 << 325
408 if (localEnergyDeposit < 0) //Should not be: << 326 if (localEnergyDeposit < 0)
409 { 327 {
410 G4Exception("G4PenelopePhotoElectricMode << 328 G4cout << "WARNING - "
411 "em2099",JustWarning,"WARNING: Negative << 329 << "G4PenelopePhotoElectricModel::SampleSecondaries() - Negative energy deposit"
>> 330 << G4endl;
412 localEnergyDeposit = 0; 331 localEnergyDeposit = 0;
413 } 332 }
414 333
415 fParticleChange->ProposeLocalEnergyDeposit(l 334 fParticleChange->ProposeLocalEnergyDeposit(localEnergyDeposit);
416 335
417 if (fVerboseLevel > 1) << 336 if (verboseLevel > 1)
418 { 337 {
419 G4cout << "----------------------------- 338 G4cout << "-----------------------------------------------------------" << G4endl;
420 G4cout << "Energy balance from G4Penelop 339 G4cout << "Energy balance from G4PenelopePhotoElectric" << G4endl;
421 G4cout << "Selected shell: " << WriteTar << 340 G4cout << "Selected shell: " << WriteTargetShell(shellIndex) << " of element " <<
422 anElement->GetName() << G4endl; 341 anElement->GetName() << G4endl;
423 G4cout << "Incoming photon energy: " << 342 G4cout << "Incoming photon energy: " << photonEnergy/keV << " keV" << G4endl;
424 G4cout << "----------------------------- 343 G4cout << "-----------------------------------------------------------" << G4endl;
425 if (eKineticEnergy) 344 if (eKineticEnergy)
426 G4cout << "Outgoing electron " << eKineticEn 345 G4cout << "Outgoing electron " << eKineticEnergy/keV << " keV" << G4endl;
427 if (energyInFluorescence) 346 if (energyInFluorescence)
428 G4cout << "Fluorescence x-rays: " << energyI 347 G4cout << "Fluorescence x-rays: " << energyInFluorescence/keV << " keV" << G4endl;
429 if (energyInAuger) 348 if (energyInAuger)
430 G4cout << "Auger electrons: " << energyInAug 349 G4cout << "Auger electrons: " << energyInAuger/keV << " keV" << G4endl;
431 G4cout << "Local energy deposit " << loc 350 G4cout << "Local energy deposit " << localEnergyDeposit/keV << " keV" << G4endl;
432 G4cout << "Total final state: " << << 351 G4cout << "Total final state: " <<
433 (eKineticEnergy+energyInFluorescence+localEn << 352 (eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger)/keV <<
434 " keV" << G4endl; 353 " keV" << G4endl;
435 G4cout << "----------------------------- 354 G4cout << "-----------------------------------------------------------" << G4endl;
436 } 355 }
437 if (fVerboseLevel > 0) << 356 if (verboseLevel > 0)
438 { 357 {
439 G4double energyDiff = << 358 G4double energyDiff =
440 std::fabs(eKineticEnergy+energyInFluorescenc 359 std::fabs(eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger-photonEnergy);
441 if (energyDiff > 0.05*keV) 360 if (energyDiff > 0.05*keV)
442 { 361 {
443 G4cout << "Warning from G4PenelopePhotoEle << 362 G4cout << "Warning from G4PenelopePhotoElectric: problem with energy conservation: " <<
444 (eKineticEnergy+energyInFluorescence+loc << 363 (eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger)/keV
445 << " keV (final) vs. " << << 364 << " keV (final) vs. " <<
446 photonEnergy/keV << " keV (initial)" << 365 photonEnergy/keV << " keV (initial)" << G4endl;
447 G4cout << "------------------------------- 366 G4cout << "-----------------------------------------------------------" << G4endl;
448 G4cout << "Energy balance from G4PenelopeP 367 G4cout << "Energy balance from G4PenelopePhotoElectric" << G4endl;
449 G4cout << "Selected shell: " << WriteTarge << 368 G4cout << "Selected shell: " << WriteTargetShell(shellIndex) << " of element " <<
450 anElement->GetName() << G4endl; 369 anElement->GetName() << G4endl;
451 G4cout << "Incoming photon energy: " << ph 370 G4cout << "Incoming photon energy: " << photonEnergy/keV << " keV" << G4endl;
452 G4cout << "------------------------------- 371 G4cout << "-----------------------------------------------------------" << G4endl;
453 if (eKineticEnergy) 372 if (eKineticEnergy)
454 G4cout << "Outgoing electron " << eKinet 373 G4cout << "Outgoing electron " << eKineticEnergy/keV << " keV" << G4endl;
455 if (energyInFluorescence) 374 if (energyInFluorescence)
456 G4cout << "Fluorescence x-rays: " << ene 375 G4cout << "Fluorescence x-rays: " << energyInFluorescence/keV << " keV" << G4endl;
457 if (energyInAuger) 376 if (energyInAuger)
458 G4cout << "Auger electrons: " << energyI 377 G4cout << "Auger electrons: " << energyInAuger/keV << " keV" << G4endl;
459 G4cout << "Local energy deposit " << local 378 G4cout << "Local energy deposit " << localEnergyDeposit/keV << " keV" << G4endl;
460 G4cout << "Total final state: " << << 379 G4cout << "Total final state: " <<
461 (eKineticEnergy+energyInFluorescence+loc << 380 (eKineticEnergy+energyInFluorescence+localEnergyDeposit+energyInAuger)/keV <<
462 " keV" << G4endl; 381 " keV" << G4endl;
463 G4cout << "------------------------------- 382 G4cout << "-----------------------------------------------------------" << G4endl;
464 } 383 }
465 } 384 }
466 } 385 }
467 386
468 //....oooOO0OOooo........oooOO0OOooo........oo 387 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
469 388
470 G4double G4PenelopePhotoElectricModel::SampleE 389 G4double G4PenelopePhotoElectricModel::SampleElectronDirection(G4double energy)
471 { 390 {
472 G4double costheta = 1.0; 391 G4double costheta = 1.0;
473 if (energy>1*GeV) return costheta; 392 if (energy>1*GeV) return costheta;
474 << 393
475 //1) initialize energy-dependent variables 394 //1) initialize energy-dependent variables
476 // Variable naming according to Eq. (2.24) o 395 // Variable naming according to Eq. (2.24) of Penelope Manual
477 // (pag. 44) 396 // (pag. 44)
478 G4double gamma = 1.0 + energy/electron_mass_ 397 G4double gamma = 1.0 + energy/electron_mass_c2;
479 G4double gamma2 = gamma*gamma; 398 G4double gamma2 = gamma*gamma;
480 G4double beta = std::sqrt((gamma2-1.0)/gamma 399 G4double beta = std::sqrt((gamma2-1.0)/gamma2);
481 << 400
482 // ac corresponds to "A" of Eq. (2.31) 401 // ac corresponds to "A" of Eq. (2.31)
483 // 402 //
484 G4double ac = (1.0/beta) - 1.0; 403 G4double ac = (1.0/beta) - 1.0;
485 G4double a1 = 0.5*beta*gamma*(gamma-1.0)*(ga 404 G4double a1 = 0.5*beta*gamma*(gamma-1.0)*(gamma-2.0);
486 G4double a2 = ac + 2.0; 405 G4double a2 = ac + 2.0;
487 G4double gtmax = 2.0*(a1 + 1.0/ac); 406 G4double gtmax = 2.0*(a1 + 1.0/ac);
488 << 407
489 G4double tsam = 0; 408 G4double tsam = 0;
490 G4double gtr = 0; 409 G4double gtr = 0;
491 410
492 //2) sampling. Eq. (2.31) of Penelope Manual 411 //2) sampling. Eq. (2.31) of Penelope Manual
493 // tsam = 1-std::cos(theta) 412 // tsam = 1-std::cos(theta)
494 // gtr = rejection function according to Eq. 413 // gtr = rejection function according to Eq. (2.28)
495 do{ 414 do{
496 G4double rand = G4UniformRand(); 415 G4double rand = G4UniformRand();
497 tsam = 2.0*ac * (2.0*rand + a2*std::sqrt(r 416 tsam = 2.0*ac * (2.0*rand + a2*std::sqrt(rand)) / (a2*a2 - 4.0*rand);
498 gtr = (2.0 - tsam) * (a1 + 1.0/(ac+tsam)); 417 gtr = (2.0 - tsam) * (a1 + 1.0/(ac+tsam));
499 }while(G4UniformRand()*gtmax > gtr); 418 }while(G4UniformRand()*gtmax > gtr);
500 costheta = 1.0-tsam; 419 costheta = 1.0-tsam;
>> 420
501 421
502 return costheta; 422 return costheta;
503 } 423 }
504 424
505 //....oooOO0OOooo........oooOO0OOooo........oo 425 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
506 426
507 void G4PenelopePhotoElectricModel::ReadDataFil 427 void G4PenelopePhotoElectricModel::ReadDataFile(G4int Z)
508 { 428 {
509 if (!IsMaster()) << 429 if (verboseLevel > 2)
510 //Should not be here! <<
511 G4Exception("G4PenelopePhotoElectricModel: <<
512 "em0100",FatalException,"Worker thread in <<
513 <<
514 if (fVerboseLevel > 2) <<
515 { 430 {
516 G4cout << "G4PenelopePhotoElectricModel: 431 G4cout << "G4PenelopePhotoElectricModel::ReadDataFile()" << G4endl;
517 G4cout << "Going to read PhotoElectric d 432 G4cout << "Going to read PhotoElectric data files for Z=" << Z << G4endl;
518 } 433 }
519 << 434
520 const char* path = G4FindDataDir("G4LEDATA << 435 char* path = getenv("G4LEDATA");
521 if(!path) << 436 if (!path)
522 { 437 {
523 G4String excep = "G4PenelopePhotoElectri 438 G4String excep = "G4PenelopePhotoElectricModel - G4LEDATA environment variable not set!";
524 G4Exception("G4PenelopePhotoElectricMode 439 G4Exception("G4PenelopePhotoElectricModel::ReadDataFile()",
525 "em0006",FatalException,excep); 440 "em0006",FatalException,excep);
526 return; 441 return;
527 } 442 }
528 << 443
529 /* 444 /*
530 Read the cross section file 445 Read the cross section file
531 */ 446 */
532 std::ostringstream ost; 447 std::ostringstream ost;
533 if (Z>9) 448 if (Z>9)
534 ost << path << "/penelope/photoelectric/pd 449 ost << path << "/penelope/photoelectric/pdgph" << Z << ".p08";
535 else 450 else
536 ost << path << "/penelope/photoelectric/pd 451 ost << path << "/penelope/photoelectric/pdgph0" << Z << ".p08";
537 std::ifstream file(ost.str().c_str()); 452 std::ifstream file(ost.str().c_str());
538 if (!file.is_open()) 453 if (!file.is_open())
539 { 454 {
540 G4String excep = "G4PenelopePhotoElectri 455 G4String excep = "G4PenelopePhotoElectricModel - data file " + G4String(ost.str()) + " not found!";
541 G4Exception("G4PenelopePhotoElectricMode 456 G4Exception("G4PenelopePhotoElectricModel::ReadDataFile()",
542 "em0003",FatalException,excep); 457 "em0003",FatalException,excep);
543 } 458 }
544 //I have to know in advance how many points 459 //I have to know in advance how many points are in the data list
545 //to initialize the G4PhysicsFreeVector() 460 //to initialize the G4PhysicsFreeVector()
546 std::size_t ndata=0; << 461 size_t ndata=0;
547 G4String line; 462 G4String line;
548 while( getline(file, line) ) 463 while( getline(file, line) )
549 ndata++; 464 ndata++;
550 ndata -= 1; 465 ndata -= 1;
551 //G4cout << "Found: " << ndata << " lines" < 466 //G4cout << "Found: " << ndata << " lines" << G4endl;
552 467
553 file.clear(); 468 file.clear();
554 file.close(); 469 file.close();
555 file.open(ost.str().c_str()); 470 file.open(ost.str().c_str());
556 471
557 G4int readZ =0; 472 G4int readZ =0;
558 std::size_t nShells= 0; << 473 size_t nShells= 0;
559 file >> readZ >> nShells; 474 file >> readZ >> nShells;
560 475
561 if (fVerboseLevel > 3) << 476 if (verboseLevel > 3)
562 G4cout << "Element Z=" << Z << " , nShells 477 G4cout << "Element Z=" << Z << " , nShells = " << nShells << G4endl;
563 478
564 //check the right file is opened. 479 //check the right file is opened.
565 if (readZ != Z || nShells <= 0 || nShells > 480 if (readZ != Z || nShells <= 0 || nShells > 50) //protect nShell against large values
566 { 481 {
567 G4ExceptionDescription ed; 482 G4ExceptionDescription ed;
568 ed << "Corrupted data file for Z=" << Z 483 ed << "Corrupted data file for Z=" << Z << G4endl;
569 G4Exception("G4PenelopePhotoElectricMode 484 G4Exception("G4PenelopePhotoElectricModel::ReadDataFile()",
570 "em0005",FatalException,ed); 485 "em0005",FatalException,ed);
571 return; 486 return;
572 } 487 }
573 G4PhysicsTable* thePhysicsTable = new G4Phys 488 G4PhysicsTable* thePhysicsTable = new G4PhysicsTable();
574 << 489
575 //the table has to contain nShell+1 G4Physic << 490 //the table has to contain nShell+1 G4PhysicsFreeVectors,
576 //(theTable)[0] --> total cross section 491 //(theTable)[0] --> total cross section
577 //(theTable)[ishell] --> cross section for s 492 //(theTable)[ishell] --> cross section for shell (ishell-1)
578 493
579 //reserve space for the vectors 494 //reserve space for the vectors
580 //everything is log-log 495 //everything is log-log
581 for (std::size_t i=0;i<nShells+1;++i) << 496 for (size_t i=0;i<nShells+1;i++)
582 thePhysicsTable->push_back(new G4PhysicsFr 497 thePhysicsTable->push_back(new G4PhysicsFreeVector(ndata));
583 498
584 std::size_t k =0; << 499 size_t k =0;
585 for (k=0;k<ndata && !file.eof();++k) << 500 for (k=0;k<ndata && !file.eof();k++)
586 { 501 {
587 G4double energy = 0; 502 G4double energy = 0;
588 G4double aValue = 0; 503 G4double aValue = 0;
589 file >> energy ; 504 file >> energy ;
590 energy *= eV; 505 energy *= eV;
591 G4double logene = G4Log(energy); << 506 G4double logene = std::log(energy);
592 //loop on the columns 507 //loop on the columns
593 for (std::size_t i=0;i<nShells+1;++i) << 508 for (size_t i=0;i<nShells+1;i++)
594 { 509 {
595 file >> aValue; 510 file >> aValue;
596 aValue *= barn; 511 aValue *= barn;
597 G4PhysicsFreeVector* theVec = (G4PhysicsFr << 512 G4PhysicsFreeVector* theVec = (G4PhysicsFreeVector*) ((*thePhysicsTable)[i]);
598 if (aValue < 1e-40*cm2) //protection again 513 if (aValue < 1e-40*cm2) //protection against log(0)
599 aValue = 1e-40*cm2; 514 aValue = 1e-40*cm2;
600 theVec->PutValue(k,logene,G4Log(aValue)); << 515 theVec->PutValue(k,logene,std::log(aValue));
601 } 516 }
602 } 517 }
603 518
604 if (fVerboseLevel > 2) << 519 if (verboseLevel > 2)
605 { 520 {
606 G4cout << "G4PenelopePhotoElectricModel: << 521 G4cout << "G4PenelopePhotoElectricModel: read " << k << " points for element Z = "
607 << Z << G4endl; 522 << Z << G4endl;
608 } 523 }
609 524
610 fLogAtomicShellXS[Z] = thePhysicsTable; << 525 logAtomicShellXS->insert(std::make_pair(Z,thePhysicsTable));
611 << 526
612 file.close(); 527 file.close();
613 return; 528 return;
614 } 529 }
615 530
616 //....oooOO0OOooo........oooOO0OOooo........oo 531 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
617 532
618 std::size_t G4PenelopePhotoElectricModel::GetN << 533 size_t G4PenelopePhotoElectricModel::SelectRandomShell(G4int Z,G4double energy)
619 { 534 {
620 if (!IsMaster()) << 535 G4double logEnergy = std::log(energy);
621 //Should not be here! << 536
622 G4Exception("G4PenelopePhotoElectricModel: << 537 //Check if data have been read (it should be!)
623 "em0100",FatalException,"Worker thread in << 538 if (!logAtomicShellXS->count(Z))
>> 539 {
>> 540 G4ExceptionDescription ed;
>> 541 ed << "Cannot find shell cross section data for Z=" << Z << G4endl;
>> 542 G4Exception("G4PenelopePhotoElectricModel::SelectRandomShell()",
>> 543 "em2038",FatalException,ed);
>> 544 }
>> 545
>> 546 size_t shellIndex = 0;
>> 547
>> 548 G4PhysicsTable* theTable = logAtomicShellXS->find(Z)->second;
>> 549
>> 550 G4DataVector* tempVector = new G4DataVector();
>> 551
>> 552 G4double sum = 0;
>> 553 //loop on shell partial XS, retrieve the value for the given energy and store on
>> 554 //a temporary vector
>> 555 tempVector->push_back(sum); //first element is zero
>> 556
>> 557 G4PhysicsFreeVector* totalXSLog = (G4PhysicsFreeVector*) (*theTable)[0];
>> 558 G4double logXS = totalXSLog->Value(logEnergy);
>> 559 G4double totalXS = std::exp(logXS);
>> 560
>> 561 //Notice: totalXS is the total cross section and it does *not* correspond to
>> 562 //the sum of partialXS's, since these include only K, L and M shells.
>> 563 //
>> 564 // Therefore, here one have to consider the possibility of ionisation of
>> 565 // an outer shell. Conventionally, it is indicated with id=10 in Penelope
>> 566 //
>> 567
>> 568 for (size_t k=1;k<theTable->entries();k++)
>> 569 {
>> 570 G4PhysicsFreeVector* partialXSLog = (G4PhysicsFreeVector*) (*theTable)[k];
>> 571 G4double logXS = partialXSLog->Value(logEnergy);
>> 572 G4double partialXS = std::exp(logXS);
>> 573 sum += partialXS;
>> 574 tempVector->push_back(sum);
>> 575 }
>> 576
>> 577 tempVector->push_back(totalXS); //last element
624 578
>> 579 G4double random = G4UniformRand()*totalXS;
>> 580
>> 581 /*
>> 582 for (size_t i=0;i<tempVector->size(); i++)
>> 583 G4cout << i << " " << (*tempVector)[i]/totalXS << G4endl;
>> 584 */
>> 585
>> 586 //locate bin of tempVector
>> 587 //Now one has to sample according to the elements in tempVector
>> 588 //This gives the left edge of the interval...
>> 589 size_t lowerBound = 0;
>> 590 size_t upperBound = tempVector->size()-1;
>> 591 while (lowerBound <= upperBound)
>> 592 {
>> 593 size_t midBin = (lowerBound + upperBound)/2;
>> 594 if( random < (*tempVector)[midBin])
>> 595 upperBound = midBin-1;
>> 596 else
>> 597 lowerBound = midBin+1;
>> 598 }
>> 599
>> 600 shellIndex = upperBound;
>> 601
>> 602 delete tempVector;
>> 603 return shellIndex;
>> 604 }
>> 605
>> 606 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 607
>> 608 size_t G4PenelopePhotoElectricModel::GetNumberOfShellXS(G4int Z)
>> 609 {
625 //read data files 610 //read data files
626 if (!fLogAtomicShellXS[Z]) << 611 if (!logAtomicShellXS->count(Z))
627 ReadDataFile(Z); 612 ReadDataFile(Z);
628 //now it should be ok 613 //now it should be ok
629 if (!fLogAtomicShellXS[Z]) << 614 if (!logAtomicShellXS->count(Z))
630 { 615 {
631 G4ExceptionDescription ed; 616 G4ExceptionDescription ed;
632 ed << "Cannot find shell cross section 617 ed << "Cannot find shell cross section data for Z=" << Z << G4endl;
633 G4Exception("G4PenelopePhotoElectricMod 618 G4Exception("G4PenelopePhotoElectricModel::GetNumberOfShellXS()",
634 "em2038",FatalException,ed); 619 "em2038",FatalException,ed);
635 } 620 }
636 //one vector is allocated for the _total_ cr 621 //one vector is allocated for the _total_ cross section
637 std::size_t nEntries = fLogAtomicShellXS[Z]- << 622 size_t nEntries = logAtomicShellXS->find(Z)->second->entries();
638 return (nEntries-1); 623 return (nEntries-1);
639 } 624 }
640 625
641 //....oooOO0OOooo........oooOO0OOooo........oo 626 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
642 627
643 G4double G4PenelopePhotoElectricModel::GetShel << 628 G4double G4PenelopePhotoElectricModel::GetShellCrossSection(G4int Z,size_t shellID,G4double energy)
644 { 629 {
645 //this forces also the loading of the data 630 //this forces also the loading of the data
646 std::size_t entries = GetNumberOfShellXS(Z); << 631 size_t entries = GetNumberOfShellXS(Z);
647 632
648 if (shellID >= entries) 633 if (shellID >= entries)
649 { 634 {
650 G4cout << "Element Z=" << Z << " has dat 635 G4cout << "Element Z=" << Z << " has data for " << entries << " shells only" << G4endl;
651 G4cout << "so shellID should be from 0 t 636 G4cout << "so shellID should be from 0 to " << entries-1 << G4endl;
652 return 0; 637 return 0;
653 } 638 }
654 << 639
655 G4PhysicsTable* theTable = fLogAtomicShellX << 640 G4PhysicsTable* theTable = logAtomicShellXS->find(Z)->second;
656 //[0] is the total XS, shellID is in the ele 641 //[0] is the total XS, shellID is in the element [shellID+1]
657 G4PhysicsFreeVector* totalXSLog = (G4Physics 642 G4PhysicsFreeVector* totalXSLog = (G4PhysicsFreeVector*) (*theTable)[shellID+1];
658 << 643
659 if (!totalXSLog) 644 if (!totalXSLog)
660 { 645 {
661 G4Exception("G4PenelopePhotoElectricMod 646 G4Exception("G4PenelopePhotoElectricModel::GetShellCrossSection()",
662 "em2039",FatalException, 647 "em2039",FatalException,
663 "Unable to retrieve the total cross sec 648 "Unable to retrieve the total cross section table");
664 return 0; 649 return 0;
665 } 650 }
666 G4double logene = G4Log(energy); << 651 G4double logene = std::log(energy);
667 G4double logXS = totalXSLog->Value(logene); 652 G4double logXS = totalXSLog->Value(logene);
668 G4double cross = G4Exp(logXS); << 653 G4double cross = std::exp(logXS);
669 if (cross < 2e-40*cm2) cross = 0; 654 if (cross < 2e-40*cm2) cross = 0;
670 return cross; 655 return cross;
671 } 656 }
672 657
673 //....oooOO0OOooo........oooOO0OOooo........oo 658 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
674 659
675 G4String G4PenelopePhotoElectricModel::WriteTa << 660 G4String G4PenelopePhotoElectricModel::WriteTargetShell(size_t shellID)
676 { 661 {
677 G4String theShell = "outer shell"; 662 G4String theShell = "outer shell";
678 if (shellID == 0) 663 if (shellID == 0)
679 theShell = "K"; 664 theShell = "K";
680 else if (shellID == 1) 665 else if (shellID == 1)
681 theShell = "L1"; 666 theShell = "L1";
682 else if (shellID == 2) 667 else if (shellID == 2)
683 theShell = "L2"; 668 theShell = "L2";
684 else if (shellID == 3) 669 else if (shellID == 3)
685 theShell = "L3"; 670 theShell = "L3";
686 else if (shellID == 4) 671 else if (shellID == 4)
687 theShell = "M1"; 672 theShell = "M1";
688 else if (shellID == 5) 673 else if (shellID == 5)
689 theShell = "M2"; 674 theShell = "M2";
690 else if (shellID == 6) 675 else if (shellID == 6)
691 theShell = "M3"; 676 theShell = "M3";
692 else if (shellID == 7) 677 else if (shellID == 7)
693 theShell = "M4"; 678 theShell = "M4";
694 else if (shellID == 8) 679 else if (shellID == 8)
695 theShell = "M5"; 680 theShell = "M5";
696 << 681
697 return theShell; 682 return theShell;
698 } <<
699 <<
700 //....oooOO0OOooo........oooOO0OOooo........oo <<
701 <<
702 void G4PenelopePhotoElectricModel::SetParticle <<
703 { <<
704 if(!fParticle) { <<
705 fParticle = p; <<
706 } <<
707 } <<
708 <<
709 //....oooOO0OOooo........oooOO0OOooo........oo <<
710 <<
711 std::size_t G4PenelopePhotoElectricModel::Sele <<
712 { <<
713 G4double logEnergy = G4Log(energy); <<
714 <<
715 //Check if data have been read (it should be <<
716 if (!fLogAtomicShellXS[Z]) <<
717 { <<
718 G4ExceptionDescription ed; <<
719 ed << "Cannot find shell cross section <<
720 G4Exception("G4PenelopePhotoElectricMod <<
721 "em2038",FatalException,ed); <<
722 } <<
723 <<
724 G4PhysicsTable* theTable = fLogAtomicShellX <<
725 <<
726 G4double sum = 0; <<
727 G4PhysicsFreeVector* totalXSLog = (G4Physics <<
728 G4double logXS = totalXSLog->Value(logEnergy <<
729 G4double totalXS = G4Exp(logXS); <<
730 <<
731 //Notice: totalXS is the total cross section <<
732 //the sum of partialXS's, since these includ <<
733 // <<
734 // Therefore, here one have to consider the <<
735 // an outer shell. Conventionally, it is ind <<
736 // <<
737 G4double random = G4UniformRand()*totalXS; <<
738 <<
739 for (std::size_t k=1;k<theTable->entries();+ <<
740 { <<
741 //Add one shell <<
742 G4PhysicsFreeVector* partialXSLog = (G4P <<
743 G4double logXSLocal = partialXSLog->Valu <<
744 G4double partialXS = G4Exp(logXSLocal); <<
745 sum += partialXS; <<
746 if (random <= sum) <<
747 return k-1; <<
748 } <<
749 //none of the shells K, L, M: return outer s <<
750 return 9; <<
751 } 683 }
752 684