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25 //
26 //
27 // Author: Sebastien Incerti
28 // 30 October 2008
29 // on base of G4LowEnergyPhotoElectric
30 //
31 // 22 Oct 2012 A & V Ivanchenko Migration da
32 // 1 June 2017 M Bandieramonte: New model ba
33 // evaluated data - parameteriza
34
35 #include "G4LivermorePhotoElectricModel.hh"
36
37 #include "G4AtomicShell.hh"
38 #include "G4AutoLock.hh"
39 #include "G4CrossSectionHandler.hh"
40 #include "G4Electron.hh"
41 #include "G4Gamma.hh"
42 #include "G4LossTableManager.hh"
43 #include "G4ParticleChangeForGamma.hh"
44 #include "G4PhysicsFreeVector.hh"
45 #include "G4SauterGavrilaAngularDistribution.h
46 #include "G4SystemOfUnits.hh"
47 #include "G4VAtomDeexcitation.hh"
48 #include "G4EmParameters.hh"
49 #include <thread>
50
51 //....oooOO0OOooo........oooOO0OOooo........oo
52
53 G4ElementData* G4LivermorePhotoElectricModel::
54 G4ElementData* G4LivermorePhotoElectricModel::
55 std::vector<G4double>* G4LivermorePhotoElectri
56 std::vector<G4double>* G4LivermorePhotoElectri
57 G4int G4LivermorePhotoElectricModel::fNShells[
58 G4int G4LivermorePhotoElectricModel::fNShellsU
59 G4Material* G4LivermorePhotoElectricModel::fWa
60 G4double G4LivermorePhotoElectricModel::fWater
61 G4String G4LivermorePhotoElectricModel::fDataD
62
63 static std::once_flag applyOnce;
64
65 namespace
66 {
67 G4Mutex livPhotoeffMutex = G4MUTEX_INITIALIZ
68 }
69
70 //....oooOO0OOooo........oooOO0OOooo........oo
71
72 G4LivermorePhotoElectricModel::G4LivermorePhot
73 {
74 verboseLevel = 0;
75 // Verbosity scale:
76 // 0 = nothing
77 // 1 = warning for energy non-conservation
78 // 2 = details of energy budget
79 // 3 = calculation of cross sections, file o
80 // 4 = entering in methods
81
82 theGamma = G4Gamma::Gamma();
83 theElectron = G4Electron::Electron();
84
85 // default generator
86 SetAngularDistribution(new G4SauterGavrilaAn
87
88 if (verboseLevel > 0) {
89 G4cout << "Livermore PhotoElectric is cons
90 << " nShellLimit= " << nShellLimit
91 }
92
93 // Mark this model as "applicable" for atomi
94 SetDeexcitationFlag(true);
95
96 // For water
97 fSandiaCof.resize(4, 0.0);
98 }
99
100 //....oooOO0OOooo........oooOO0OOooo........oo
101
102 G4LivermorePhotoElectricModel::~G4LivermorePho
103 {
104 if (isInitializer) {
105 for (G4int i = 0; i < ZMAXPE; ++i) {
106 if (fParamHigh[i]) {
107 delete fParamHigh[i];
108 fParamHigh[i] = nullptr;
109 }
110 if (fParamLow[i]) {
111 delete fParamLow[i];
112 fParamLow[i] = nullptr;
113 }
114 }
115 }
116 }
117
118 //....oooOO0OOooo........oooOO0OOooo........oo
119
120 void G4LivermorePhotoElectricModel::Initialise
121 const G4DataVector&)
122 {
123 if (verboseLevel > 1) {
124 G4cout << "Calling G4LivermorePhotoElectri
125 }
126
127 // initialise static tables only once
128 std::call_once(applyOnce, [this]() { isIniti
129
130 if (isInitializer) {
131 G4AutoLock l(&livPhotoeffMutex);
132 FindDirectoryPath();
133 if (fWater == nullptr) {
134 fWater = G4Material::GetMaterial("G4_WAT
135 if (fWater == nullptr) {
136 fWater = G4Material::GetMaterial("Wate
137 }
138 if (fWater != nullptr) {
139 fWaterEnergyLimit = 13.6 * CLHEP::eV;
140 }
141 }
142
143 if (fCrossSection == nullptr) {
144 fCrossSection = new G4ElementData(ZMAXPE
145 fCrossSection->SetName("PhotoEffXS");
146 fCrossSectionLE = new G4ElementData(ZMAX
147 fCrossSectionLE->SetName("PhotoEffLowXS"
148 }
149
150 const G4ElementTable* elemTable = G4Elemen
151 std::size_t numElems = (*elemTable).size()
152 for (std::size_t ie = 0; ie < numElems; ++
153 const G4Element* elem = (*elemTable)[ie]
154 G4int Z = elem->GetZasInt();
155 if (Z < ZMAXPE) {
156 if (fCrossSection->GetElementData(Z) == null
157 ReadData(Z);
158 }
159 }
160 }
161 l.unlock();
162 }
163
164 if (verboseLevel > 1) {
165 G4cout << "Loaded cross section files for
166 }
167 if (nullptr == fParticleChange) {
168 fParticleChange = GetParticleChangeForGamm
169 fAtomDeexcitation = G4LossTableManager::In
170 }
171
172 fDeexcitationActive = false;
173 if (nullptr != fAtomDeexcitation) {
174 fDeexcitationActive = fAtomDeexcitation->I
175 }
176
177 if (verboseLevel > 1) {
178 G4cout << "LivermorePhotoElectric model is
179 }
180 }
181
182 //....oooOO0OOooo........oooOO0OOooo........oo
183
184 G4double
185 G4LivermorePhotoElectricModel::CrossSectionPer
186
187
188 G4double, G4double)
189 {
190 fCurrSection = 0.0;
191 if (fWater && (material == fWater || materia
192 if (energy <= fWaterEnergyLimit) {
193 fWater->GetSandiaTable()->GetSandiaCofWa
194
195 G4double energy2 = energy * energy;
196 G4double energy3 = energy * energy2;
197 G4double energy4 = energy2 * energy2;
198
199 fCurrSection = material->GetDensity()
200 * (fSandiaCof[0] / energy
201 fSandiaCof[2] / energy3 + fSandiaCof[3]
202 }
203 }
204 if (0.0 == fCurrSection) {
205 fCurrSection = G4VEmModel::CrossSectionPer
206 }
207 return fCurrSection;
208 }
209
210 //....oooOO0OOooo........oooOO0OOooo........oo
211
212 G4double
213 G4LivermorePhotoElectricModel::ComputeCrossSec
214
215 G4double ZZ, G4double,
216 G4double, G4double)
217 {
218 if (verboseLevel > 3) {
219 G4cout << "\n G4LivermorePhotoElectricMode
220 << " Z= " << ZZ << " R(keV)= " <<
221 }
222 G4double cs = 0.0;
223 G4int Z = G4lrint(ZZ);
224 if (Z >= ZMAXPE || Z <= 0) {
225 return cs;
226 }
227 // if element was not initialised
228
229 // do initialisation safely for MT mode
230 if (fCrossSection->GetElementData(Z) == null
231 InitialiseOnFly(Z);
232 if (fCrossSection->GetElementData(Z) == nu
233 }
234
235 // 7: rows in the parameterization file; 5:
236 G4int idx = fNShells[Z] * 7 - 5;
237
238 energy = std::max(energy, (*(fParamHigh[Z]))
239
240 G4double x1 = 1.0 / energy;
241 G4double x2 = x1 * x1;
242 G4double x3 = x2 * x1;
243
244 // high energy parameterisation
245 if (energy >= (*(fParamHigh[Z]))[0]) {
246 G4double x4 = x2 * x2;
247 G4double x5 = x4 * x1;
248
249 cs = x1 *
250 ((*(fParamHigh[Z]))[idx] + x1 * (*(fPara
251 + x2 * (*(fParamHigh[Z]))[idx + 2] + x3
252 + x4 * (*(fParamHigh[Z]))[idx + 4] + x5
253 }
254 // low energy parameterisation
255 else if (energy >= (*(fParamLow[Z]))[0]) {
256 G4double x4 = x2 * x2;
257 G4double x5 = x4 * x1; // this variable u
258 cs = x1 *
259 ((*(fParamLow[Z]))[idx] + x1 * (*(fParam
260 + x2 * (*(fParamLow[Z]))[idx + 2] + x3
261 + x4 * (*(fParamLow[Z]))[idx + 4] + x5
262 }
263 // Tabulated values above k-shell ionization
264 else if (energy >= (*(fParamHigh[Z]))[1]) {
265 cs = x3 * (fCrossSection->GetElementData(Z
266 }
267 // Tabulated values below k-shell ionization
268 else {
269 cs = x3 * (fCrossSectionLE->GetElementData
270 }
271 if (verboseLevel > 1) {
272 G4cout << "G4LivermorePhotoElectricModel:
273 << " cross(barn)= " << cs / barn <<
274 }
275 return cs;
276 }
277
278 //....oooOO0OOooo........oooOO0OOooo........oo
279
280 void G4LivermorePhotoElectricModel::SampleSeco
281
282
283
284 {
285 G4double gammaEnergy = aDynamicGamma->GetKin
286 if (verboseLevel > 3) {
287 G4cout << "G4LivermorePhotoElectricModel::
288 << gammaEnergy / keV << G4endl;
289 }
290
291 // kill incident photon
292 fParticleChange->ProposeTrackStatus(fStopAnd
293 fParticleChange->SetProposedKineticEnergy(0.
294
295 // low-energy photo-effect in water - full a
296 const G4Material* material = couple->GetMate
297 if (fWater && (material == fWater || materia
298 if (gammaEnergy <= fWaterEnergyLimit) {
299 fParticleChange->ProposeLocalEnergyDepos
300 return;
301 }
302 }
303
304 // Returns the normalized direction of the m
305 G4ThreeVector photonDirection = aDynamicGamm
306
307 // Select randomly one element in the curren
308 const G4Element* elm = SelectRandomAtom(mate
309 G4int Z = elm->GetZasInt();
310
311 // Select the ionised shell in the current a
312 // cross sections
313
314 // If element was not initialised gamma shou
315 if (Z >= ZMAXPE || fCrossSection->GetElement
316 fParticleChange->ProposeLocalEnergyDeposit
317 return;
318 }
319
320 // SAMPLING OF THE SHELL INDEX
321 std::size_t shellIdx = 0;
322 std::size_t nn = fNShellsUsed[Z];
323 if (nn > 1) {
324 if (gammaEnergy >= (*(fParamHigh[Z]))[0])
325 G4double x1 = 1.0 / gammaEnergy;
326 G4double x2 = x1 * x1;
327 G4double x3 = x2 * x1;
328 G4double x4 = x3 * x1;
329 G4double x5 = x4 * x1;
330 std::size_t idx = nn * 7 - 5;
331 // when do sampling common factors are n
332 // so cross section is not real
333
334 G4double rand = G4UniformRand();
335 G4double cs0 = rand *
336 ((*(fParamHigh[Z]))[idx] + x1 * (*(fPa
337 + x2 * (*(fParamHigh[Z]))[idx + 2] + x
338 + x4 * (*(fParamHigh[Z]))[idx + 4] + x
339
340 for (shellIdx = 0; shellIdx < nn; ++shel
341 idx = shellIdx * 7 + 2;
342 if (gammaEnergy > (*(fParamHigh[Z]))[i
343 G4double cs = (*(fParamHigh[Z]))[idx
344 + x2 * (*(fParamHigh[Z]))[idx + 2]
345 + x4 * (*(fParamHigh[Z]))[idx + 4]
346
347 if (cs >= cs0) {
348 break;
349 }
350 }
351 }
352 if (shellIdx >= nn) {
353 shellIdx = nn - 1;
354 }
355 }
356 else if (gammaEnergy >= (*(fParamLow[Z]))[
357 G4double x1 = 1.0 / gammaEnergy;
358 G4double x2 = x1 * x1;
359 G4double x3 = x2 * x1;
360 G4double x4 = x3 * x1;
361 G4double x5 = x4 * x1;
362 std::size_t idx = nn * 7 - 5;
363 // when do sampling common factors are n
364 // so cross section is not real
365 G4double cs0 = G4UniformRand() *
366 ((*(fParamLow[Z]))[idx] + x1 * (*(fPar
367 + x2 * (*(fParamLow[Z]))[idx + 2] + x3
368 + x4 * (*(fParamLow[Z]))[idx + 4] + x5
369 for (shellIdx = 0; shellIdx < nn; ++shel
370 idx = shellIdx * 7 + 2;
371 if (gammaEnergy > (*(fParamLow[Z]))[id
372 G4double cs = (*(fParamLow[Z]))[idx]
373 + x2 * (*(fParamLow[Z]))[idx + 2]
374 + x4 * (*(fParamLow[Z]))[idx + 4]
375 if (cs >= cs0) {
376 break;
377 }
378 }
379 }
380 if (shellIdx >= nn) {
381 shellIdx = nn - 1;
382 }
383 }
384 else {
385 // when do sampling common factors are n
386 // so cross section is not real
387 G4double cs = G4UniformRand();
388
389 if (gammaEnergy >= (*(fParamHigh[Z]))[1]
390 // above K-shell binding energy
391 cs *= fCrossSection->GetElementData(Z)
392 }
393 else {
394 // below K-shell binding energy
395 cs *= fCrossSectionLE->GetElementData(
396 }
397
398 for (G4int j = 0; j < (G4int)nn; ++j) {
399 shellIdx = (std::size_t)fCrossSection-
400 if (gammaEnergy > (*(fParamLow[Z]))[7
401 cs -= fCrossSection->GetValueForComp
402 }
403 if (cs <= 0.0 || j + 1 == (G4int)nn) {
404 break;
405 }
406 }
407 }
408 }
409 // END: SAMPLING OF THE SHELL
410
411 G4double bindingEnergy = (*(fParamHigh[Z]))[
412 const G4AtomicShell* shell = nullptr;
413
414 // no de-excitation from the last shell
415 if (fDeexcitationActive && shellIdx + 1 < nn
416 auto as = G4AtomicShellEnumerator(shellIdx
417 shell = fAtomDeexcitation->GetAtomicShell(
418 }
419
420 // If binding energy of the selected shell i
421 // do not generate secondaries
422 if (gammaEnergy < bindingEnergy) {
423 fParticleChange->ProposeLocalEnergyDeposit
424 return;
425 }
426
427 // Primary outcoming electron
428 G4double eKineticEnergy = gammaEnergy - bind
429 G4double edep = bindingEnergy;
430
431 // Calculate direction of the photoelectron
432 G4ThreeVector electronDirection = GetAngular
433 aDynamicGamma, eKineticEnergy, (G4int)shel
434
435 // The electron is created
436 auto electron =
437 new G4DynamicParticle(theElectron, electro
438 fvect->push_back(electron);
439
440 // Sample deexcitation
441 if (nullptr != shell) {
442 G4int index = couple->GetIndex();
443 if (fAtomDeexcitation->CheckDeexcitationAc
444 std::size_t nbefore = fvect->size();
445
446 fAtomDeexcitation->GenerateParticles(fve
447 std::size_t nafter = fvect->size();
448 if (nafter > nbefore) {
449 G4double esec = 0.0;
450 for (std::size_t j = nbefore; j < naft
451 G4double e = ((*fvect)[j])->GetKinet
452 if (esec + e > edep) {
453 // correct energy in order to have
454 e = edep - esec;
455 ((*fvect)[j])->SetKineticEnergy(e)
456 esec += e;
457 // delete the rest of secondaries
458 for (std::size_t jj = nafter - 1;
459 delete (*fvect)[jj];
460 fvect->pop_back();
461 }
462 break;
463 }
464 esec += e;
465 }
466 edep -= esec;
467 }
468 }
469 }
470 // energy balance - excitation energy left
471 if (edep > 0.0) {
472 fParticleChange->ProposeLocalEnergyDeposit
473 }
474 }
475
476 //....oooOO0OOooo........oooOO0OOooo........oo
477
478 const G4String& G4LivermorePhotoElectricModel:
479 {
480 // no check in this method - environment var
481 if (fDataDirectory.empty()) {
482 auto param = G4EmParameters::Instance();
483 std::ostringstream ost;
484 if (param->LivermoreDataDir() == "livermor
485 ost << param->GetDirLEDATA() << "/liverm
486 }
487 else {
488 ost << param->GetDirLEDATA() << "/epics2
489 }
490 fDataDirectory = ost.str();
491 }
492 return fDataDirectory;
493 }
494
495 //....oooOO0OOooo........oooOO0OOooo........oo
496
497 void G4LivermorePhotoElectricModel::ReadData(G
498 {
499 if (Z <= 0 || Z >= ZMAXPE) {
500 G4cout << "G4LivermorePhotoElectricModel::
501 << Z << " is out of range - request ignor
502 return;
503 }
504 if (verboseLevel > 1) {
505 G4cout << "G4LivermorePhotoElectricModel::
506 }
507
508 if (fCrossSection->GetElementData(Z) != null
509 return;
510 }
511
512 // spline for photoeffect total x-section ab
513 // but below the parameterized ones
514
515 G4bool spline = (G4EmParameters::Instance()-
516 G4int number = G4EmParameters::Instance()->N
517 auto pv = new G4PhysicsFreeVector(spline);
518
519 // fDataDirectory will be defined after thes
520 std::ostringstream ost;
521 ost << FindDirectoryPath() << "pe-cs-" << Z
522 std::ifstream fin(ost.str().c_str());
523 if (!fin.is_open()) {
524 G4ExceptionDescription ed;
525 ed << "G4LivermorePhotoElectricModel data
526 << ost.str().c_str() << "> is not opene
527 G4Exception("G4LivermorePhotoElectricModel
528 "G4LEDATA version should be G4
529 return;
530 }
531 if (verboseLevel > 3) {
532 G4cout << "File " << ost.str().c_str() <<
533 << G4endl;
534 }
535 pv->Retrieve(fin, true);
536 pv->ScaleVector(MeV, barn);
537 pv->FillSecondDerivatives();
538 pv->EnableLogBinSearch(number);
539 fCrossSection->InitialiseForElement(Z, pv);
540 fin.close();
541
542 // read high-energy fit parameters
543 fParamHigh[Z] = new std::vector<G4double>;
544 G4int n1 = 0;
545 G4int n2 = 0;
546 G4double x;
547 std::ostringstream ost1;
548 ost1 << fDataDirectory << "pe-high-" << Z <<
549 std::ifstream fin1(ost1.str().c_str());
550 if (!fin1.is_open()) {
551 G4ExceptionDescription ed;
552 ed << "G4LivermorePhotoElectricModel data
553 << ost1.str().c_str() << "> is not open
554 G4Exception("G4LivermorePhotoElectricModel
555 "G4LEDATA version should be G4
556 return;
557 }
558 if (verboseLevel > 3) {
559 G4cout << "File " << ost1.str().c_str() <<
560 << G4endl;
561 }
562 fin1 >> n1;
563 if (fin1.fail()) {
564 return;
565 }
566 if (0 > n1 || n1 >= INT_MAX) {
567 n1 = 0;
568 }
569
570 fin1 >> n2;
571 if (fin1.fail()) {
572 return;
573 }
574 if (0 > n2 || n2 >= INT_MAX) {
575 n2 = 0;
576 }
577
578 fin1 >> x;
579 if (fin1.fail()) {
580 return;
581 }
582
583 fNShells[Z] = n1;
584 fParamHigh[Z]->reserve(7 * n1 + 1);
585 fParamHigh[Z]->push_back(x * MeV);
586 for (G4int i = 0; i < n1; ++i) {
587 for (G4int j = 0; j < 7; ++j) {
588 fin1 >> x;
589 if (0 == j) {
590 x *= MeV;
591 }
592 else {
593 x *= barn;
594 }
595 fParamHigh[Z]->push_back(x);
596 }
597 }
598 fin1.close();
599
600 // read low-energy fit parameters
601 fParamLow[Z] = new std::vector<G4double>;
602 G4int n1_low = 0;
603 G4int n2_low = 0;
604 G4double x_low;
605 std::ostringstream ost1_low;
606 ost1_low << fDataDirectory << "pe-low-" << Z
607 std::ifstream fin1_low(ost1_low.str().c_str(
608 if (!fin1_low.is_open()) {
609 G4ExceptionDescription ed;
610 ed << "G4LivermorePhotoElectricModel data
611 << "> is not opened!" << G4endl;
612 G4Exception("G4LivermorePhotoElectricModel
613 "G4LEDATA version should be G4
614 return;
615 }
616 if (verboseLevel > 3) {
617 G4cout << "File " << ost1_low.str().c_str(
618 << G4endl;
619 }
620 fin1_low >> n1_low;
621 if (fin1_low.fail()) {
622 return;
623 }
624 if (0 > n1_low || n1_low >= INT_MAX) {
625 n1_low = 0;
626 }
627
628 fin1_low >> n2_low;
629 if (fin1_low.fail()) {
630 return;
631 }
632 if (0 > n2_low || n2_low >= INT_MAX) {
633 n2_low = 0;
634 }
635
636 fin1_low >> x_low;
637 if (fin1_low.fail()) {
638 return;
639 }
640
641 fNShells[Z] = n1_low;
642 fParamLow[Z]->reserve(7 * n1_low + 1);
643 fParamLow[Z]->push_back(x_low * MeV);
644 for (G4int i = 0; i < n1_low; ++i) {
645 for (G4int j = 0; j < 7; ++j) {
646 fin1_low >> x_low;
647 if (0 == j) {
648 x_low *= MeV;
649 }
650 else {
651 x_low *= barn;
652 }
653 fParamLow[Z]->push_back(x_low);
654 }
655 }
656 fin1_low.close();
657
658 // there is a possibility to use only main s
659 if (nShellLimit < n2) {
660 n2 = nShellLimit;
661 }
662 fCrossSection->InitialiseForComponent(Z, n2)
663 fNShellsUsed[Z] = n2;
664
665 if (1 < n2) {
666 std::ostringstream ost2;
667 ost2 << fDataDirectory << "pe-ss-cs-" << Z
668 std::ifstream fin2(ost2.str().c_str());
669 if (!fin2.is_open()) {
670 G4ExceptionDescription ed;
671 ed << "G4LivermorePhotoElectricModel dat
672 << G4endl;
673 G4Exception("G4LivermorePhotoElectricMod
674 "G4LEDATA version should be
675 return;
676 }
677 if (verboseLevel > 3) {
678 G4cout << "File " << ost2.str().c_str()
679 << G4endl;
680 }
681
682 G4int n3, n4;
683 G4double y;
684 for (G4int i = 0; i < n2; ++i) {
685 fin2 >> x >> y >> n3 >> n4;
686 auto v = new G4PhysicsFreeVector(n3, x,
687 for (G4int j = 0; j < n3; ++j) {
688 fin2 >> x >> y;
689 v->PutValues(j, x * CLHEP::MeV, y * CL
690 }
691 v->EnableLogBinSearch(number);
692 fCrossSection->AddComponent(Z, n4, v);
693 }
694 fin2.close();
695 }
696
697 // no spline for photoeffect total x-section
698 if (1 < fNShells[Z]) {
699 auto pv1 = new G4PhysicsFreeVector(false);
700 std::ostringstream ost3;
701 ost3 << fDataDirectory << "pe-le-cs-" << Z
702 std::ifstream fin3(ost3.str().c_str());
703 if (!fin3.is_open()) {
704 G4ExceptionDescription ed;
705 ed << "G4LivermorePhotoElectricModel dat
706 << G4endl;
707 G4Exception("G4LivermorePhotoElectricMod
708 "G4LEDATA version should be
709 return;
710 }
711 if (verboseLevel > 3) {
712 G4cout << "File " << ost3.str().c_str()
713 << G4endl;
714 }
715 pv1->Retrieve(fin3, true);
716 pv1->ScaleVector(CLHEP::MeV, CLHEP::barn);
717 pv1->EnableLogBinSearch(number);
718 fCrossSectionLE->InitialiseForElement(Z, p
719 fin3.close();
720 }
721 }
722
723 //....oooOO0OOooo........oooOO0OOooo........oo
724
725 G4double G4LivermorePhotoElectricModel::GetBin
726 {
727 if (Z < 1 || Z >= ZMAXPE) {
728 return -1;
729 } // If Z is out of the supported return 0
730
731 InitialiseOnFly(Z);
732 if (fCrossSection->GetElementData(Z) == null
733 shell < 0 || shell >= fNShellsUsed[Z]) {
734 return -1;
735 }
736
737 if (Z > 2) {
738 return fCrossSection->GetComponentDataByIn
739 }
740 else {
741 return fCrossSection->GetElementData(Z)->E
742 }
743 }
744
745 //....oooOO0OOooo........oooOO0OOooo........oo
746
747 void
748 G4LivermorePhotoElectricModel::InitialiseForEl
749 {
750 if (fCrossSection == nullptr) {
751 fCrossSection = new G4ElementData(ZMAXPE);
752 fCrossSection->SetName("PhotoEffXS");
753 fCrossSectionLE = new G4ElementData(ZMAXPE
754 fCrossSectionLE->SetName("PhotoEffLowXS");
755 }
756 ReadData(Z);
757 }
758
759 //....oooOO0OOooo........oooOO0OOooo........oo
760
761 void G4LivermorePhotoElectricModel::Initialise
762 {
763 if (fCrossSection->GetElementData(Z) == null
764 G4AutoLock l(&livPhotoeffMutex);
765 if (fCrossSection->GetElementData(Z) == nu
766 ReadData(Z);
767 }
768 l.unlock();
769 }
770 }
771
772 //....oooOO0OOooo........oooOO0OOooo........oo
773