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25 // 25 //
>> 26 //
26 // Hadronic Process: Nuclear De-excitations 27 // Hadronic Process: Nuclear De-excitations
27 // by V. Lara (May 1998) 28 // by V. Lara (May 1998)
28 // << 29 // Modif (30 June 1998) by V. Lara:
29 // <<
30 // Modified: <<
31 // 30 June 1998 by V. Lara: <<
32 // -Modified the Transform method for use 30 // -Modified the Transform method for use G4ParticleTable and
33 // therefore G4IonTable. It makes possib 31 // therefore G4IonTable. It makes possible to convert all kind
34 // of fragments (G4Fragment) produced in 32 // of fragments (G4Fragment) produced in deexcitation to
35 // G4DynamicParticle 33 // G4DynamicParticle
36 // -It uses default algorithms for: 34 // -It uses default algorithms for:
37 // Evaporation: G4Evaporation << 35 // Evaporation: G4StatEvaporation
38 // MultiFragmentation: G4StatMF << 36 // MultiFragmentation: G4DummyMF (a dummy one)
39 // Fermi Breakup model: G4FermiBr << 37 // Fermi Breakup model: G4StatFermiBreakUp
40 // 24 Jul 2008 by M. A. Cortes Giraldo: << 38
41 // -Max Z,A for Fermi Break-Up turns to 9 <<
42 // -BreakItUp() reorganised and bug in Ev <<
43 // -Transform() optimised <<
44 // (September 2008) by J. M. Quesada. External <<
45 // -inverse cross section option (default <<
46 // -superimposed Coulomb barrier (if useS <<
47 // September 2009 by J. M. Quesada: <<
48 // -according to Igor Pshenichnov, SMM wi <<
49 // 27 Nov 2009 by V.Ivanchenko: <<
50 // -cleanup the logic, reduce number inte <<
51 // 11 May 2010 by V.Ivanchenko: <<
52 // -FermiBreakUp activated, used integer <<
53 // final photon deexcitation; used check <<
54 // unstable fragments with A <5 <<
55 // 22 March 2011 by V.Ivanchenko: general clea <<
56 // products of Fermi Break Up cannot be <<
57 // 30 March 2011 by V.Ivanchenko removed priva <<
58 // to the source <<
59 // 23 January 2012 by V.Ivanchenko general cle <<
60 // objects, propagate G4PhotonEvaporation p <<
61 // not delete it here <<
62 39
63 #include "G4ExcitationHandler.hh" 40 #include "G4ExcitationHandler.hh"
64 #include "G4SystemOfUnits.hh" << 41 #include <list>
65 #include "G4LorentzVector.hh" <<
66 #include "G4ThreeVector.hh" <<
67 #include "G4ParticleTable.hh" <<
68 #include "G4ParticleTypes.hh" <<
69 #include "G4Ions.hh" <<
70 #include "G4Electron.hh" <<
71 #include "G4Lambda.hh" <<
72 <<
73 #include "G4VMultiFragmentation.hh" <<
74 #include "G4VFermiBreakUp.hh" <<
75 #include "G4Element.hh" <<
76 #include "G4ElementTable.hh" <<
77 <<
78 #include "G4VEvaporation.hh" <<
79 #include "G4VEvaporationChannel.hh" <<
80 #include "G4Evaporation.hh" <<
81 #include "G4PhotonEvaporation.hh" <<
82 #include "G4StatMF.hh" <<
83 #include "G4FermiBreakUpVI.hh" <<
84 #include "G4NuclearLevelData.hh" <<
85 #include "G4PhysicsModelCatalog.hh" <<
86 <<
87 G4ExcitationHandler::G4ExcitationHandler() <<
88 : minEForMultiFrag(1.*CLHEP::TeV), minExcita <<
89 maxExcitation(100.*CLHEP::MeV) <<
90 { <<
91 thePartTable = G4ParticleTable::GetParticleT <<
92 theTableOfIons = thePartTable->GetIonTable() <<
93 nist = G4NistManager::Instance(); <<
94 <<
95 theMultiFragmentation = new G4StatMF(); <<
96 theFermiModel = new G4FermiBreakUpVI(); <<
97 thePhotonEvaporation = new G4PhotonEvaporati <<
98 SetEvaporation(new G4Evaporation(thePhotonEv <<
99 theResults.reserve(60); <<
100 results.reserve(30); <<
101 theEvapList.reserve(30); <<
102 <<
103 theElectron = G4Electron::Electron(); <<
104 theNeutron = G4Neutron::NeutronDefinition(); <<
105 theProton = G4Proton::ProtonDefinition(); <<
106 theDeuteron = G4Deuteron::DeuteronDefinition <<
107 theTriton = G4Triton::TritonDefinition(); <<
108 theHe3 = G4He3::He3Definition(); <<
109 theAlpha = G4Alpha::AlphaDefinition(); <<
110 theLambda = G4Lambda::Lambda(); <<
111 42
112 fLambdaMass = theLambda->GetPDGMass(); << 43 //#define debugphoton
113 44
114 if(fVerbose > 1) { G4cout << "### New handle <<
115 } <<
116 45
117 G4ExcitationHandler::~G4ExcitationHandler() << 46 G4ExcitationHandler::G4ExcitationHandler():
118 { << 47 maxZForFermiBreakUp(1),maxAForFermiBreakUp(1),minEForMultiFrag(4.0*GeV),
119 delete theMultiFragmentation; << 48 MyOwnEvaporationClass(true), MyOwnMultiFragmentationClass(true),MyOwnFermiBreakUpClass(true),
120 delete theFermiModel; << 49 MyOwnPhotonEvaporationClass(true)
121 if(isEvapLocal) { delete theEvaporation; } << 50 {
>> 51 theTableOfParticles = G4ParticleTable::GetParticleTable();
>> 52
>> 53 theEvaporation = new G4Evaporation;
>> 54 theMultiFragmentation = new G4StatMF;
>> 55 theFermiModel = new G4FermiBreakUp;
>> 56 thePhotonEvaporation = new G4PhotonEvaporation;
122 } 57 }
123 58
124 void G4ExcitationHandler::SetParameters() << 59 G4ExcitationHandler::G4ExcitationHandler(const G4ExcitationHandler &)
125 { 60 {
126 G4NuclearLevelData* ndata = G4NuclearLevelDa << 61 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitationHandler::copy_constructor: is meant to not be accessable! ");
127 auto param = ndata->GetParameters(); <<
128 isActive = true; <<
129 // check if de-excitation is needed <<
130 if (fDummy == param->GetDeexChannelsType()) <<
131 isActive = false; <<
132 } else { <<
133 // upload data for elements used in geomet <<
134 G4int Zmax = 20; <<
135 const G4ElementTable* table = G4Element::G <<
136 for (auto const & elm : *table) { Zmax = s <<
137 ndata->UploadNuclearLevelData(Zmax+1); <<
138 } <<
139 minEForMultiFrag = param->GetMinExPerNucleou <<
140 minExcitation = param->GetMinExcitation(); <<
141 maxExcitation = param->GetPrecoHighEnergy(); <<
142 <<
143 // allowing local debug printout <<
144 fVerbose = std::max(fVerbose, param->GetVerb <<
145 if (isActive) { <<
146 if (nullptr == thePhotonEvaporation) { <<
147 SetPhotonEvaporation(new G4PhotonEvapora <<
148 } <<
149 if (nullptr == theFermiModel) { <<
150 SetFermiModel(new G4FermiBreakUpVI()); <<
151 } <<
152 if (nullptr == theMultiFragmentation) { <<
153 SetMultiFragmentation(new G4StatMF()); <<
154 } <<
155 if (nullptr == theEvaporation) { <<
156 SetEvaporation(new G4Evaporation(thePhot <<
157 } <<
158 } <<
159 theFermiModel->SetVerbose(fVerbose); <<
160 if(fVerbose > 1) { <<
161 G4cout << "G4ExcitationHandler::SetParamet <<
162 } <<
163 } 62 }
164 63
165 void G4ExcitationHandler::Initialise() <<
166 { <<
167 if(isInitialised) { return; } <<
168 if(fVerbose > 1) { <<
169 G4cout << "G4ExcitationHandler::Initialise <<
170 } <<
171 G4DeexPrecoParameters* param = <<
172 G4NuclearLevelData::GetInstance()->GetPara <<
173 isInitialised = true; <<
174 SetParameters(); <<
175 if(isActive) { <<
176 theFermiModel->Initialise(); <<
177 theEvaporation->InitialiseChannels(); <<
178 } <<
179 // dump level is controlled by parameter cla <<
180 param->Dump(); <<
181 } <<
182 64
183 void G4ExcitationHandler::SetEvaporation(G4VEv << 65 G4ExcitationHandler::~G4ExcitationHandler()
184 { 66 {
185 if(nullptr != ptr && ptr != theEvaporation) << 67 if (MyOwnEvaporationClass) delete theEvaporation;
186 theEvaporation = ptr; << 68 if (MyOwnMultiFragmentationClass) delete theMultiFragmentation;
187 theEvaporation->SetPhotonEvaporation(thePh << 69 if (MyOwnFermiBreakUpClass) delete theFermiModel;
188 theEvaporation->SetFermiBreakUp(theFermiMo << 70 if (MyOwnPhotonEvaporationClass) delete thePhotonEvaporation;
189 isEvapLocal = flag; <<
190 if(fVerbose > 1) { <<
191 G4cout << "G4ExcitationHandler::SetEvapo <<
192 } <<
193 } <<
194 } 71 }
195 72
196 void <<
197 G4ExcitationHandler::SetMultiFragmentation(G4V <<
198 { <<
199 if(nullptr != ptr && ptr != theMultiFragment <<
200 delete theMultiFragmentation; <<
201 theMultiFragmentation = ptr; <<
202 } <<
203 } <<
204 73
205 void G4ExcitationHandler::SetFermiModel(G4VFer << 74 const G4ExcitationHandler & G4ExcitationHandler::operator=(const G4ExcitationHandler &)
206 { 75 {
207 if(nullptr != ptr && ptr != theFermiModel) { << 76 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitationHandler::operator=: is meant to not be accessable! ");
208 delete theFermiModel; <<
209 theFermiModel = ptr; <<
210 if(nullptr != theEvaporation) { <<
211 theEvaporation->SetFermiBreakUp(theFermi <<
212 } <<
213 } <<
214 } <<
215 77
216 void << 78 return *this;
217 G4ExcitationHandler::SetPhotonEvaporation(G4VE <<
218 { <<
219 if(nullptr != ptr && ptr != thePhotonEvapora <<
220 delete thePhotonEvaporation; <<
221 thePhotonEvaporation = ptr; <<
222 if(nullptr != theEvaporation) { <<
223 theEvaporation->SetPhotonEvaporation(ptr <<
224 } <<
225 if(fVerbose > 1) { <<
226 G4cout << "G4ExcitationHandler::SetPhoto <<
227 << " for handler " << this << G4e <<
228 } <<
229 } <<
230 } 79 }
231 80
232 void G4ExcitationHandler::SetDeexChannelsType( <<
233 { <<
234 G4Evaporation* evap = static_cast<G4Evaporat <<
235 if(fVerbose > 1) { <<
236 G4cout << "G4ExcitationHandler::SetDeexCha <<
237 << " for " << this << G4endl; <<
238 } <<
239 if(val == fDummy) { <<
240 isActive = false; <<
241 return; <<
242 } <<
243 if (nullptr == evap) { return; } <<
244 if (val == fEvaporation) { <<
245 evap->SetDefaultChannel(); <<
246 } else if (val == fCombined) { <<
247 evap->SetCombinedChannel(); <<
248 } else if (val == fGEM) { <<
249 evap->SetGEMChannel(); <<
250 } else if (val == fGEMVI) { <<
251 evap->SetGEMVIChannel(); <<
252 } <<
253 evap->InitialiseChannels(); <<
254 if (fVerbose > 1) { <<
255 if (G4Threading::IsMasterThread()) { <<
256 G4cout << "Number of de-excitation chann <<
257 << theEvaporation->GetNumberOfChannels( <<
258 G4cout << " " << this; <<
259 } <<
260 G4cout << G4endl; <<
261 } <<
262 } <<
263 81
264 G4VEvaporation* G4ExcitationHandler::GetEvapor << 82 G4bool G4ExcitationHandler::operator==(const G4ExcitationHandler &) const
265 { 83 {
266 if (nullptr != theEvaporation) { SetParamete << 84 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitationHandler::operator==: is meant to not be accessable! ");
267 return theEvaporation; << 85 return false;
268 } << 86 }
269 87
270 G4VMultiFragmentation* G4ExcitationHandler::Ge << 88 G4bool G4ExcitationHandler::operator!=(const G4ExcitationHandler &) const
271 { 89 {
272 if (nullptr != theMultiFragmentation) { SetP << 90 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitationHandler::operator!=: is meant to not be accessable! ");
273 return theMultiFragmentation; << 91 return true;
274 } 92 }
275 93
276 G4VFermiBreakUp* G4ExcitationHandler::GetFermi <<
277 { <<
278 if (nullptr != theFermiModel) { SetParameter <<
279 return theFermiModel; <<
280 } <<
281 94
282 G4VEvaporationChannel* G4ExcitationHandler::Ge << 95 G4ReactionProductVector * G4ExcitationHandler::BreakItUp(const G4Fragment &theInitialState) const
283 { 96 {
284 if(nullptr != thePhotonEvaporation) { SetPar <<
285 return thePhotonEvaporation; <<
286 } <<
287 <<
288 G4ReactionProductVector * <<
289 G4ExcitationHandler::BreakItUp(const G4Fragmen <<
290 { <<
291 // Variables existing until end of method <<
292 G4Fragment * theInitialStatePtr = new G4Frag <<
293 if (fVerbose > 1) { <<
294 G4cout << "@@@@@@@@@@ Start G4Excitation H <<
295 G4cout << theInitialState << G4endl; <<
296 } <<
297 if (!isInitialised) { Initialise(); } <<
298 97
299 // pointer to fragment vector which receives << 98 G4FragmentVector * theResult = 0;
300 G4FragmentVector * theTempResult = nullptr; <<
301 <<
302 theResults.clear(); <<
303 theEvapList.clear(); <<
304 <<
305 // Variables to describe the excited configu <<
306 G4double exEnergy = theInitialState.GetExcit 99 G4double exEnergy = theInitialState.GetExcitationEnergy();
307 G4int A = theInitialState.GetA_asInt(); << 100 // G4cout << " first exEnergy in MeV: " << exEnergy/MeV << G4endl;
308 G4int Z = theInitialState.GetZ_asInt(); << 101 G4double A = theInitialState.GetA();
309 G4int nL = theInitialState.GetNumberOfLambda << 102 G4int Z = static_cast<G4int>(theInitialState.GetZ());
310 << 103 G4FragmentVector* theTempResult = 0;
311 // too much excitation << 104 G4Fragment theExcitedNucleus;
312 if (exEnergy > A*maxExcitation && A > 0) { << 105
313 ++fWarnings; << 106 // Test applicability
314 if(fWarnings < 0) { << 107 if (A > 4)
315 G4ExceptionDescription ed; << 108 {
316 ed << "High excitation Fragment Z= " << << 109 // Initial State De-Excitation
317 << " Eex/A(MeV)= " << exEnergy/A; << 110 if(A<GetMaxA()&&Z<GetMaxZ())
318 G4Exception("G4ExcitationHandler::BreakI << 111 // && exEnergy>G4NucleiPropertiesTable::GetBindingEnergy(Z,A)) {
>> 112 {
>> 113 theResult = theFermiModel->BreakItUp(theInitialState);
>> 114 }
>> 115 else if (exEnergy>GetMinE()*A)
>> 116 {
>> 117 theResult = theMultiFragmentation->BreakItUp(theInitialState);
>> 118 }
>> 119 else
>> 120 {
>> 121 theResult = theEvaporation->BreakItUp(theInitialState);
>> 122 }
>> 123
>> 124
>> 125
>> 126
>> 127 // De-Excitation loop
>> 128 // ------------------
>> 129 // Check if there are excited fragments
>> 130 std::list<G4Fragment*> theResultList;
>> 131 G4FragmentVector::iterator j;
>> 132 std::list<G4Fragment*>::iterator i;
>> 133 for (j = theResult->begin(); j != theResult->end();j++)
>> 134 {
>> 135 theResultList.push_back(*j);
>> 136 }
>> 137 theResult->clear();
>> 138 for (i = theResultList.begin(); i != theResultList.end(); i++)
>> 139 {
>> 140 exEnergy = (*i)->GetExcitationEnergy();
>> 141 // G4cout << " exEnergy in MeV: " << exEnergy/MeV << G4endl;
>> 142 if (exEnergy > 0.0)
>> 143 {
>> 144 A = (*i)->GetA();
>> 145 Z = static_cast<G4int>((*i)->GetZ());
>> 146 theExcitedNucleus = *(*i);
>> 147 // try to de-excite this fragment
>> 148 if( A < GetMaxA() && Z < GetMaxZ() )
>> 149 // && exEnergy>G4NucleiPropertiesTable::GetBindingEnergy(Z,A))
>> 150 {
>> 151 // Fermi Breakup not now called for for exotic fragments for good reasons...
>> 152 // theTempResult = theFermiModel->BreakItUp(theExcitedNucleus);
>> 153 //if (theTempResult->size() == 1)
>> 154 // {
>> 155 // std::for_each(theTempResult->begin(),theTempResult->end(), G4Delete());
>> 156 // delete theTempResult;
>> 157 // }
>> 158 theTempResult = theEvaporation->BreakItUp(theExcitedNucleus);
>> 159 }
>> 160 else
>> 161 {
>> 162 // Evaporation
>> 163 theTempResult = theEvaporation->BreakItUp(theExcitedNucleus);
>> 164 }
>> 165 // The Nucleus has been fragmented?
>> 166 if (theTempResult->size() > 1)
>> 167 // If so :
>> 168 {
>> 169 // Remove excited fragment from the result
>> 170 // delete theResult->removeAt(i--);
>> 171 delete (*i);
>> 172 i = theResultList.erase(i);
>> 173 // and add theTempResult elements to theResult
>> 174 for (G4FragmentVector::reverse_iterator ri = theTempResult->rbegin();
>> 175 ri != theTempResult->rend(); ++ri)
>> 176 {
>> 177 theResultList.push_back(*ri);
>> 178 }
>> 179 delete theTempResult;
>> 180 }
>> 181 else
>> 182 // If not :
>> 183 {
>> 184 // it doesn't matter, we Follow with the next fragment but
>> 185 // I have to clean up
>> 186 std::for_each(theTempResult->begin(),theTempResult->end(), G4Delete());
>> 187 delete theTempResult;
>> 188 }
>> 189 }
>> 190 }
>> 191 for (i = theResultList.begin(); i != theResultList.end(); i++)
>> 192 {
>> 193 theResult->push_back(*i);
>> 194 }
>> 195 theResultList.clear();
>> 196 }
>> 197 else // if A > 4
>> 198 {
>> 199 theResult = new G4FragmentVector();
>> 200 theResult->push_back(new G4Fragment(theInitialState));
319 } 201 }
320 } <<
321 202
322 // for hyper-nuclei subtract lambdas from th << 203 // Now we try to deexcite by means of PhotonEvaporation those fragments
323 G4double lambdaF = 0.0; << 204 // which are excited.
324 G4LorentzVector lambdaLV = theInitialStatePt << 205
325 if (0 < nL) { << 206 theTempResult = 0;
326 << 207 std::list<G4Fragment*> theFinalResultList;
327 // is it a stable hyper-nuclei? << 208 //AHtest std::list<G4Fragment*> theFinalPhotonResultList;
328 if(A >= 3 && A <= 5 && nL <= 2) { << 209 std::list<G4Fragment*> theResultList;
329 G4int pdg = 0; << 210 std::list<G4Fragment*>::iterator j;
330 if(3 == A && 1 == nL) { << 211 G4FragmentVector::iterator i;
331 pdg = 1010010030; << 212 for (i = theResult->begin(); i != theResult->end();i++)
332 } else if(5 == A && 2 == Z && 1 == nL) { << 213 {
333 pdg = 1010020050; << 214 theResultList.push_back(*i);
334 } else if(4 == A) { << 215 // G4cout << " Before loop list energy in MeV: " << ((*i)->GetExcitationEnergy())/MeV << G4endl;
335 if(1 == Z && 1 == nL) { << 216 }
336 pdg = 1010010040; << 217 theResult->clear();
337 } else if(2 == Z && 1 == nL) { << 218
338 pdg = 1010020040; << 219 for (j = theResultList.begin(); j != theResultList.end(); j++) {
339 } else if(0 == Z && 2 == nL) { << 220 // G4cout << " Test loop list: " << (*j)->GetExcitationEnergy() << " size: " << theResultList.size() << G4endl;
340 pdg = 1020000040; << 221 }
341 } else if(1 == Z && 2 == nL) { << 222
342 pdg = 1020010040; << 223 // for (j = theResultList.begin(); j != theResultList.end(); j++)
343 } << 224 j = theResultList.begin(); //AH
344 } << 225 while (j != theResultList.end()) //AH
345 // initial state is one of hyper-nuclei << 226 {
346 if (0 < pdg) { << 227 if ((*j)->GetA() > 1 && (*j)->GetExcitationEnergy() > 0.1*eV)
347 const G4ParticleDefinition* part = thePartTa << 228 {
348 if(nullptr != part) { << 229 theExcitedNucleus = *(*j);
349 G4ReactionProduct* theNew = new G4Reaction << 230 theTempResult = thePhotonEvaporation->BreakItUp(theExcitedNucleus);
350 G4ThreeVector dir = G4ThreeVector( 0.0, 0. << 231 // If Gamma Evaporation has succeed then
351 if ( lambdaLV.vect().mag() > CLHEP:: << 232 if (theTempResult->size() > 1)
352 dir = lambdaLV.vect().unit(); << 233 {
353 } << 234 // Remove excited fragment from the result
354 G4double mass = part->GetPDGMass(); << 235 // delete (*j);
355 G4double etot = std::max(lambdaLV.e(), mas << 236 // theResultList.erase(j--);
356 dir *= std::sqrt((etot - mass)*(etot << 237 // theResultList.erase(j); don't delete as there's no push back...
357 theNew->SetMomentum(dir); << 238 // and add theTempResult elements to theResult
358 theNew->SetTotalEnergy(etot); << 239 for (G4FragmentVector::reverse_iterator ri = theTempResult->rbegin();
359 theNew->SetFormationTime(theInitialState.G << 240 ri != theTempResult->rend(); ++ri)
360 theNew->SetCreatorModelID(theInitialState. << 241 {
361 G4ReactionProductVector* v = new G4Reactio << 242 #ifdef PRECOMPOUND_TEST
362 v->push_back(theNew); << 243 if ((*ri)->GetA() == 0)
363 return v; << 244 (*ri)->SetCreatorModel(G4String("G4PhotonEvaporation"));
>> 245 else
>> 246 (*ri)->SetCreatorModel(G4String("ResidualNucleus"));
>> 247 #endif
>> 248 theResultList.push_back(*ri);
>> 249 //AHtest theFinalPhotonResultList.push_back(*ri);
>> 250 // theFinalResultList.push_back(*ri); don't add to final result as they'll go through the loop
>> 251 }
>> 252 delete theTempResult;
>> 253 }
>> 254 // In other case, just clean theTempResult and continue
>> 255 else
>> 256 {
>> 257 std::for_each(theTempResult->begin(), theTempResult->end(), DeleteFragment());
>> 258 delete theTempResult;
>> 259 #ifdef debugphoton
>> 260 G4cout << "G4ExcitationHandler: Gamma Evaporation could not deexcite the nucleus: \n"
>> 261 << "-----------------------------------------------------------------------\n"
>> 262 << theExcitedNucleus << '\n'
>> 263 << "-----------------------------------------------------------------------\n";
>> 264 #endif
>> 265 G4double GammaEnergy = (*j)->GetExcitationEnergy();
>> 266 G4double cosTheta = 1. - 2. * G4UniformRand();
>> 267 G4double sinTheta = std::sqrt(1. - cosTheta * cosTheta);
>> 268 G4double phi = twopi * G4UniformRand();
>> 269 G4ThreeVector GammaP(GammaEnergy * sinTheta * std::cos(phi),
>> 270 GammaEnergy * sinTheta * std::sin(phi),
>> 271 GammaEnergy * cosTheta );
>> 272 G4LorentzVector Gamma4P(GammaP,GammaEnergy);
>> 273 G4Fragment * theHandlerPhoton = new G4Fragment(Gamma4P,G4Gamma::GammaDefinition());
>> 274
>> 275
>> 276
>> 277 G4double Mass = (*j)->GetGroundStateMass();
>> 278 G4ThreeVector ResidualP((*j)->GetMomentum().vect() - GammaP);
>> 279 G4double ResidualE = std::sqrt(ResidualP*ResidualP + Mass*Mass);
>> 280 G4LorentzVector Residual4P(ResidualP,ResidualE);
>> 281 (*j)->SetMomentum(Residual4P);
>> 282
>> 283
>> 284
>> 285 #ifdef PRECOMPOUND_TEST
>> 286 theHandlerPhoton->SetCreatorModel("G4ExcitationHandler");
>> 287 #endif
>> 288 // theFinalPhotonResultList.push_back( theHandlerPhoton );
>> 289 // G4cout << " adding photon fragment " << G4endl;
>> 290 theResultList.push_back( theHandlerPhoton );
>> 291 // theFinalResultList.push_back( theHandlerPhoton );
>> 292 theFinalResultList.push_back(*j);
>> 293 #ifdef debugphoton
>> 294 G4cout << "Emmited photon:\n"
>> 295 << theResultList.back() << '\n'
>> 296 << "Residual nucleus after photon emission:\n"
>> 297 << *(*j) << '\n'
>> 298 << "-----------------------------------------------------------------------\n";
>> 299 #endif
>> 300 //test j++; // AH only increment if not erased:
>> 301 }
>> 302 } else {
>> 303 //test j++; // AH increment iterator if a proton or excitation energy small
>> 304 theFinalResultList.push_back(*j);
364 } 305 }
365 } << 306 // G4cout << " Inside loop list: " << (*j)->GetExcitationEnergy() << " size: " << theFinalResultList.size() << G4endl;
>> 307 j++;
366 } 308 }
367 G4double mass = theInitialStatePtr->GetGro << 309 // for (j = theResultList.begin(); j != theResultList.end(); j++)
368 lambdaF = nL*(fLambdaMass - CLHEP::neutron << 310 for (j = theFinalResultList.begin(); j != theFinalResultList.end(); j++)
369 << 311 {
370 // de-excitation with neutrons instead of << 312 theResult->push_back(*j);
371 theInitialStatePtr->SetZAandMomentum(lambd <<
372 <<
373 // 4-momentum not used in de-excitation <<
374 lambdaLV *= lambdaF; <<
375 } else if (0 > nL) { <<
376 ++fWarnings; <<
377 if(fWarnings < 0) { <<
378 G4ExceptionDescription ed; <<
379 ed << "Fragment with negative L: Z=" << <<
380 << " Eex/A(MeV)= " << exEnergy/A; <<
381 G4Exception("G4ExcitationHandler::BreakI <<
382 } 313 }
383 } <<
384 314
385 // In case A <= 1 the fragment will not perf << 315 //AHtest for (j = theFinalPhotonResultList.begin(); j != theFinalPhotonResultList.end(); j++)
386 if (A <= 1 || !isActive) { << 316 //AHtest {
387 theResults.push_back( theInitialStatePtr ) << 317 //AHtest theResult->push_back(*j);
388 << 318 //AHtest number_results++;
389 // check if a fragment is stable << 319 //AHtest }
390 } else if (exEnergy < minExcitation && nist- <<
391 theResults.push_back( theInitialStatePtr ) <<
392 <<
393 // JMQ 150909: first step in de-excitation <<
394 // Fragments after the first step are stor <<
395 } else { <<
396 if ((A<maxAForFermiBreakUp && Z<maxZForFer <<
397 || exEnergy <= minEForMultiFrag*A) { <<
398 theEvapList.push_back(theInitialStatePtr <<
399 320
400 // Statistical Multifragmentation will tak <<
401 } else { <<
402 theTempResult = theMultiFragmentation->B <<
403 if (nullptr == theTempResult) { <<
404 theEvapList.push_back(theInitialStatePtr); <<
405 } else { <<
406 std::size_t nsec = theTempResult->size(); <<
407 <<
408 // no fragmentation <<
409 if (0 == nsec) { <<
410 theEvapList.push_back(theInitialStatePtr); <<
411 <<
412 // secondary are produced - sort out secon <<
413 } else { <<
414 G4bool deletePrimary = true; <<
415 for (auto const & ptr : *theTempResult) { <<
416 if (ptr == theInitialStatePtr) { deleteP <<
417 SortSecondaryFragment(ptr); <<
418 } <<
419 if (deletePrimary) { delete theInitialStat <<
420 } <<
421 delete theTempResult; // end multifragmentat <<
422 } <<
423 } <<
424 } <<
425 if (fVerbose > 2) { <<
426 G4cout << "## After first step of handler <<
427 << " for evap; " <<
428 << theResults.size() << " results. " << G <<
429 } <<
430 // ----------------------------------- <<
431 // FermiBreakUp and De-excitation loop <<
432 // ----------------------------------- <<
433 <<
434 static const G4int countmax = 1000; <<
435 std::size_t kk; <<
436 for (kk=0; kk<theEvapList.size(); ++kk) { <<
437 G4Fragment* frag = theEvapList[kk]; <<
438 if (fVerbose > 3) { <<
439 G4cout << "Next evaporate: " << G4endl; <<
440 G4cout << *frag << G4endl; <<
441 } <<
442 if (kk >= countmax) { <<
443 G4ExceptionDescription ed; <<
444 ed << "Infinite loop in the de-excitatio <<
445 << " iterations \n" <<
446 << " Initial fragment: \n" << theIniti <<
447 << "\n Current fragment: \n" << *frag; <<
448 G4Exception("G4ExcitationHandler::BreakI <<
449 ed,"Stop execution"); <<
450 <<
451 } <<
452 A = frag->GetA_asInt(); <<
453 Z = frag->GetZ_asInt(); <<
454 results.clear(); <<
455 if (fVerbose > 2) { <<
456 G4cout << "G4ExcitationHandler# " << kk <<
457 << " Eex(MeV)= " << frag->GetExci <<
458 } <<
459 // Fermi Break-Up <<
460 if (theFermiModel->IsApplicable(Z, A, frag <<
461 theFermiModel->BreakFragment(&results, f <<
462 std::size_t nsec = results.size(); <<
463 if (fVerbose > 2) { G4cout << "FermiBrea <<
464 <<
465 // FBU takes care to delete input fragme <<
466 // The secondary may be excited - photo- <<
467 if (1 < nsec) { <<
468 for (auto const & res : results) { <<
469 SortSecondaryFragment(res); <<
470 } <<
471 continue; <<
472 } <<
473 // evaporation will be applied <<
474 } <<
475 // apply Evaporation, residual nucleus is <<
476 // photon evaporation is possible <<
477 theEvaporation->BreakFragment(&results, fr <<
478 if (fVerbose > 3) { <<
479 G4cout << "Evaporation Nsec= " << result <<
480 } <<
481 if (0 == results.size()) { <<
482 theResults.push_back(frag); <<
483 } else { <<
484 SortSecondaryFragment(frag); <<
485 } <<
486 <<
487 // Sort out secondary fragments <<
488 for (auto const & res : results) { <<
489 if(fVerbose > 4) { <<
490 G4cout << "Evaporated product #" << *res << <<
491 } <<
492 SortSecondaryFragment(res); <<
493 } // end of loop on secondary <<
494 } // end of the loop over theEvapList <<
495 if (fVerbose > 2) { <<
496 G4cout << "## After 2nd step of handler " <<
497 << " was evap; " <<
498 << theResults.size() << " results. " << G <<
499 } <<
500 G4ReactionProductVector * theReactionProduct <<
501 new G4ReactionProductVector(); <<
502 321
503 // MAC (24/07/08) << 322 theResultList.clear();
504 // To optimise the storing speed, we reserve << 323 theFinalResultList.clear();
505 // in memory for the vector << 324 //AHtest theFinalPhotonResultList.clear();
506 theReactionProductVector->reserve( theResult << 325
507 << 326
508 if (fVerbose > 1) { << 327 #ifdef debug
509 G4cout << "### ExcitationHandler provides << 328 CheckConservation(theInitialState,theResult);
510 << " evaporated products:" << G4endl; << 329 #endif
511 } << 330 // Change G4FragmentVector by G4DynamicParticle
512 G4LorentzVector partOfLambdaLV; << 331 return Transform(theResult);
513 if ( nL > 0 ) partOfLambdaLV = lambdaLV/(G4d << 332 }
514 for (auto const & frag : theResults) { <<
515 G4LorentzVector lv0 = frag->GetMomentum(); <<
516 G4double etot = lv0.e(); <<
517 <<
518 // in the case of dummy de-excitation, exc <<
519 // into kinetic energy of output ion <<
520 if (!isActive) { <<
521 G4double mass = frag->GetGroundStateMass <<
522 G4double ptot = lv0.vect().mag(); <<
523 G4double fac = (etot <= mass || 0.0 == <<
524 : std::sqrt((etot - mass)*(etot + mass))/pto <<
525 G4LorentzVector lv((frag->GetMomentum()) <<
526 (frag->GetMomentum()).py()*fac, <<
527 (frag->GetMomentum()).pz()*fac, etot); <<
528 frag->SetMomentum(lv); <<
529 } <<
530 if (fVerbose > 3) { <<
531 G4cout << *frag; <<
532 if (frag->NuclearPolarization()) { <<
533 G4cout << " " << frag->NuclearPolarization( <<
534 } <<
535 G4cout << G4endl; <<
536 } <<
537 333
538 G4int fragmentA = frag->GetA_asInt(); << 334 G4ReactionProductVector *
539 G4int fragmentZ = frag->GetZ_asInt(); << 335 G4ExcitationHandler::Transform(G4FragmentVector * theFragmentVector) const
540 G4double eexc = 0.0; << 336 {
541 const G4ParticleDefinition* theKindOfFragm << 337 if (theFragmentVector == 0) return 0;
542 G4bool isHyperN = false; << 338
543 if (fragmentA == 0) { // photon or e << 339 // Conversion from G4FragmentVector to G4ReactionProductVector
544 theKindOfFragment = frag->GetParticleDef << 340 G4ParticleDefinition *theGamma = G4Gamma::GammaDefinition();
545 } else if (fragmentA == 1 && fragmentZ == << 341 G4ParticleDefinition *theNeutron = G4Neutron::NeutronDefinition();
>> 342 G4ParticleDefinition *theProton = G4Proton::ProtonDefinition();
>> 343 G4ParticleDefinition *theDeuteron = G4Deuteron::DeuteronDefinition();
>> 344 G4ParticleDefinition *theTriton = G4Triton::TritonDefinition();
>> 345 G4ParticleDefinition *theHelium3 = G4He3::He3Definition();
>> 346 G4ParticleDefinition *theAlpha = G4Alpha::AlphaDefinition();
>> 347 G4ParticleDefinition *theKindOfFragment = 0;
>> 348 theNeutron->SetVerboseLevel(2);
>> 349 G4ReactionProductVector * theReactionProductVector = new G4ReactionProductVector;
>> 350 G4int theFragmentA, theFragmentZ;
>> 351 G4LorentzVector theFragmentMomentum;
>> 352
>> 353 G4FragmentVector::iterator i;
>> 354 for (i = theFragmentVector->begin(); i != theFragmentVector->end(); i++) {
>> 355 // std::cout << (*i) <<'\n';
>> 356 theFragmentA = static_cast<G4int>((*i)->GetA());
>> 357 theFragmentZ = static_cast<G4int>((*i)->GetZ());
>> 358 theFragmentMomentum = (*i)->GetMomentum();
>> 359 theKindOfFragment = 0;
>> 360 if (theFragmentA == 0 && theFragmentZ == 0) { // photon
>> 361 theKindOfFragment = theGamma;
>> 362 } else if (theFragmentA == 1 && theFragmentZ == 0) { // neutron
546 theKindOfFragment = theNeutron; 363 theKindOfFragment = theNeutron;
547 } else if (fragmentA == 1 && fragmentZ == << 364 } else if (theFragmentA == 1 && theFragmentZ == 1) { // proton
548 theKindOfFragment = theProton; 365 theKindOfFragment = theProton;
549 } else if (fragmentA == 2 && fragmentZ == << 366 } else if (theFragmentA == 2 && theFragmentZ == 1) { // deuteron
550 theKindOfFragment = theDeuteron; 367 theKindOfFragment = theDeuteron;
551 } else if (fragmentA == 3 && fragmentZ == << 368 } else if (theFragmentA == 3 && theFragmentZ == 1) { // triton
552 theKindOfFragment = theTriton; 369 theKindOfFragment = theTriton;
553 if(0 < nL) { << 370 } else if (theFragmentA == 3 && theFragmentZ == 2) { // helium3
554 const G4ParticleDefinition* p = thePar << 371 theKindOfFragment = theHelium3;
555 if(nullptr != p) { << 372 } else if (theFragmentA == 4 && theFragmentZ == 2) { // alpha
556 theKindOfFragment = p; <<
557 isHyperN = true; <<
558 --nL; <<
559 } <<
560 } <<
561 } else if (fragmentA == 3 && fragmentZ == <<
562 theKindOfFragment = theHe3; <<
563 } else if (fragmentA == 4 && fragmentZ == <<
564 theKindOfFragment = theAlpha; 373 theKindOfFragment = theAlpha;
565 if (0 < nL) { <<
566 const G4ParticleDefinition* p = thePar <<
567 if(nullptr != p) { <<
568 theKindOfFragment = p; <<
569 isHyperN = true; <<
570 --nL; <<
571 } <<
572 } <<
573 } else { 374 } else {
574 << 375 theKindOfFragment = theTableOfParticles->FindIon(theFragmentZ,theFragmentA,0,theFragmentZ);
575 // fragment <<
576 eexc = frag->GetExcitationEnergy(); <<
577 G4int idxf = frag->GetFloatingLevelNumbe <<
578 if (eexc < minExcitation) { <<
579 eexc = 0.0; <<
580 idxf = 0; <<
581 } <<
582 <<
583 theKindOfFragment = theTableOfIons->GetI <<
584 <<
585 if (fVerbose > 3) { <<
586 G4cout << "### EXCH: Find ion Z= " << fragme <<
587 << " A= " << fragmentA <<
588 << " Eexc(MeV)= " << eexc/MeV << " id <<
589 << " " << theKindOfFragment->GetParti <<
590 << G4endl; <<
591 } <<
592 } 376 }
593 // fragment identified << 377 if (theKindOfFragment != 0)
594 if (nullptr != theKindOfFragment) { << 378 {
595 G4ReactionProduct * theNew = new G4React <<
596 if (isHyperN) { <<
597 G4LorentzVector lv = lv0 + partOfLambd <<
598 G4ThreeVector dir = lv.vect().unit(); <<
599 G4double mass = theKindOfFragment->Get <<
600 etot = std::max(lv.e(), mass); <<
601 G4double ptot = std::sqrt((etot - mass <<
602 dir *= ptot; <<
603 theNew->SetMomentum(dir); <<
604 // remaining not compensated 4-momentum <<
605 lambdaLV += (lv0 - G4LorentzVector(dir <<
606 } else { <<
607 theNew->SetMomentum(lv0.vect()); <<
608 } <<
609 theNew->SetTotalEnergy(etot); <<
610 theNew->SetFormationTime(frag->GetCreati <<
611 theNew->SetCreatorModelID(frag->GetCreat <<
612 theReactionProductVector->push_back(theN <<
613 <<
614 // fragment not found out ground state i <<
615 } else { <<
616 theKindOfFragment = <<
617 theTableOfIons->GetIon(fragmentZ,fragmentA,0 <<
618 if (theKindOfFragment) { <<
619 G4ThreeVector mom(0.0,0.0,0.0); <<
620 G4double ionmass = theKindOfFragment->GetPDG <<
621 if (etot <= ionmass) { <<
622 etot = ionmass; <<
623 } else { <<
624 G4double ptot = std::sqrt((etot - ionmass) <<
625 mom = (frag->GetMomentum().vect().unit())* <<
626 } <<
627 G4ReactionProduct * theNew = new G4ReactionP 379 G4ReactionProduct * theNew = new G4ReactionProduct(theKindOfFragment);
628 theNew->SetMomentum(mom); << 380 theNew->SetMomentum(theFragmentMomentum.vect());
629 theNew->SetTotalEnergy(etot); << 381 theNew->SetTotalEnergy(theFragmentMomentum.e());
630 theNew->SetFormationTime(frag->GetCreationTi << 382 theNew->SetFormationTime((*i)->GetCreationTime());
631 theNew->SetCreatorModelID(frag->GetCreatorMo << 383 #ifdef PRECOMPOUND_TEST
>> 384 theNew->SetCreatorModel((*i)->GetCreatorModel());
>> 385 #endif
632 theReactionProductVector->push_back(theNew); 386 theReactionProductVector->push_back(theNew);
633 if (fVerbose > 3) { <<
634 G4cout << " ground state, energy <<
635 << etot << G4endl; <<
636 } <<
637 } 387 }
638 } <<
639 delete frag; <<
640 } 388 }
641 // remaining lambdas are free; conserve quan << 389 if (theFragmentVector != 0)
642 // not 4-momentum << 390 {
643 if (0 < nL) { << 391 std::for_each(theFragmentVector->begin(), theFragmentVector->end(), DeleteFragment());
644 G4ThreeVector dir = G4ThreeVector(0.0, 0.0 << 392 delete theFragmentVector;
645 if (lambdaLV.vect().mag() > CLHEP::eV) { << 393 }
646 dir = lambdaLV.vect().unit(); << 394 G4ReactionProductVector::iterator debugit;
647 } << 395 for(debugit=theReactionProductVector->begin();
648 G4double etot = std::max(lambdaLV.e()/(G4d << 396 debugit!=theReactionProductVector->end(); debugit++)
649 dir *= std::sqrt((etot - fLambdaMass)*(eto << 397 {
650 for (G4int i=0; i<nL; ++i) { << 398 if((*debugit)->GetTotalEnergy()<1.*eV)
651 G4ReactionProduct* theNew = new G4Reacti << 399 {
652 theNew->SetMomentum(dir); << 400 if(getenv("G4DebugPhotonevaporationData"))
653 theNew->SetTotalEnergy(etot); << 401 {
654 theNew->SetFormationTime(theInitialState << 402 G4cerr << "G4ExcitationHandler: Warning: Photonevaporation data not exact."<<G4endl;
655 theNew->SetCreatorModelID(theInitialStat << 403 G4cerr << "G4ExcitationHandler: Warning: Found gamma with energy = "
656 theReactionProductVector->push_back(theN << 404 << (*debugit)->GetTotalEnergy()/MeV << "MeV"
657 } << 405 << G4endl;
658 } << 406 }
659 if (fVerbose > 3) { << 407 delete (*debugit);
660 G4cout << "@@@@@@@@@@ End G4Excitation Han << 408 *debugit = 0;
>> 409 }
661 } 410 }
>> 411 G4ReactionProduct* tmpPtr=0;
>> 412 theReactionProductVector->erase(std::remove_if(theReactionProductVector->begin(),
>> 413 theReactionProductVector->end(),
>> 414 std::bind2nd(std::equal_to<G4ReactionProduct*>(),
>> 415 tmpPtr)),
>> 416 theReactionProductVector->end());
662 return theReactionProductVector; 417 return theReactionProductVector;
663 } 418 }
664 419
665 void G4ExcitationHandler::ModelDescription(std << 420
666 { << 421 #ifdef debug
667 outFile << "G4ExcitationHandler description\ << 422 void G4ExcitationHandler::CheckConservation(const G4Fragment & theInitialState,
668 << "This class samples de-excitation of ex << 423 G4FragmentVector * Result) const
669 << "Fermi Break-up model for light fragmen << 424 {
670 << "evaporation, fission, and photo-evapor << 425 G4double ProductsEnergy =0;
671 << "particle may be proton, neutron, and o << 426 G4ThreeVector ProductsMomentum;
672 << "(Z < 13, A < 29). During photon evapor << 427 G4int ProductsA = 0;
673 << "or electrons due to internal conversio << 428 G4int ProductsZ = 0;
>> 429 G4FragmentVector::iterator h;
>> 430 for (h = Result->begin(); h != Result->end(); h++) {
>> 431 G4LorentzVector tmp = (*h)->GetMomentum();
>> 432 ProductsEnergy += tmp.e();
>> 433 ProductsMomentum += tmp.vect();
>> 434 ProductsA += static_cast<G4int>((*h)->GetA());
>> 435 ProductsZ += static_cast<G4int>((*h)->GetZ());
>> 436 }
>> 437
>> 438 if (ProductsA != theInitialState.GetA()) {
>> 439 G4cout << "!!!!!!!!!! Baryonic Number Conservation Violation !!!!!!!!!!" << G4endl;
>> 440 G4cout << "G4ExcitationHandler.cc: Barionic Number Conservation test for deexcitation fragments"
>> 441 << G4endl;
>> 442 G4cout << "Initial A = " << theInitialState.GetA()
>> 443 << " Fragments A = " << ProductsA << " Diference --> "
>> 444 << theInitialState.GetA() - ProductsA << G4endl;
>> 445 }
>> 446 if (ProductsZ != theInitialState.GetZ()) {
>> 447 G4cout << "!!!!!!!!!! Charge Conservation Violation !!!!!!!!!!" << G4endl;
>> 448 G4cout << "G4ExcitationHandler.cc: Charge Conservation test for deexcitation fragments"
>> 449 << G4endl;
>> 450 G4cout << "Initial Z = " << theInitialState.GetZ()
>> 451 << " Fragments Z = " << ProductsZ << " Diference --> "
>> 452 << theInitialState.GetZ() - ProductsZ << G4endl;
>> 453 }
>> 454 if (std::abs(ProductsEnergy-theInitialState.GetMomentum().e()) > 1.0*keV) {
>> 455 G4cout << "!!!!!!!!!! Energy Conservation Violation !!!!!!!!!!" << G4endl;
>> 456 G4cout << "G4ExcitationHandler.cc: Energy Conservation test for deexcitation fragments"
>> 457 << G4endl;
>> 458 G4cout << "Initial E = " << theInitialState.GetMomentum().e()/MeV << " MeV"
>> 459 << " Fragments E = " << ProductsEnergy/MeV << " MeV Diference --> "
>> 460 << (theInitialState.GetMomentum().e() - ProductsEnergy)/MeV << " MeV" << G4endl;
>> 461 }
>> 462 if (std::abs(ProductsMomentum.x()-theInitialState.GetMomentum().x()) > 1.0*keV ||
>> 463 std::abs(ProductsMomentum.y()-theInitialState.GetMomentum().y()) > 1.0*keV ||
>> 464 std::abs(ProductsMomentum.z()-theInitialState.GetMomentum().z()) > 1.0*keV) {
>> 465 G4cout << "!!!!!!!!!! Momentum Conservation Violation !!!!!!!!!!" << G4endl;
>> 466 G4cout << "G4ExcitationHandler.cc: Momentum Conservation test for deexcitation fragments"
>> 467 << G4endl;
>> 468 G4cout << "Initial P = " << theInitialState.GetMomentum().vect() << " MeV"
>> 469 << " Fragments P = " << ProductsMomentum << " MeV Diference --> "
>> 470 << theInitialState.GetMomentum().vect() - ProductsMomentum << " MeV" << G4endl;
>> 471 }
>> 472 return;
674 } 473 }
>> 474 #endif
>> 475
675 476
676 477
677 478
678 479