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25 // 25 //
26 // G4DecayProducts class implementation <<
27 // 26 //
28 // Author: H.Kurashige, 12 July 1996 << 27 // $Id: G4DecayProducts.cc,v 1.16 2007/10/06 06:49:29 kurasige Exp $
>> 28 // GEANT4 tag $Name: geant4-09-01-patch-01 $
>> 29 //
>> 30 //
>> 31 // ------------------------------------------------------------
>> 32 // GEANT 4 class implementation file
>> 33 //
>> 34 // History: first implementation, based on object model of
>> 35 // 10 July 1996 H.Kurashige
>> 36 // 21 Oct 1996 H.Kurashige
>> 37 // 12 Dec 1997 H.Kurashige
29 // ------------------------------------------- 38 // ------------------------------------------------------------
30 39
>> 40 #include "G4ios.hh"
>> 41 #include "globals.hh"
31 #include "G4DecayProducts.hh" 42 #include "G4DecayProducts.hh"
32 43
33 #include "G4LorentzRotation.hh" <<
34 #include "G4LorentzVector.hh" 44 #include "G4LorentzVector.hh"
35 #include "G4PhysicalConstants.hh" << 45 #include "G4LorentzRotation.hh"
36 #include "G4SystemOfUnits.hh" << 46
37 #include "G4ios.hh" << 47 G4Allocator<G4DecayProducts> aDecayProductsAllocator;
38 #include "globals.hh" << 48
39 49
40 G4DecayProducts::G4DecayProducts() 50 G4DecayProducts::G4DecayProducts()
41 { << 51 :numberOfProducts(0),theParentParticle(0)
42 theProductVector = new G4DecayProductVector( << 52 {
>> 53
43 } 54 }
44 55
45 G4DecayProducts::G4DecayProducts(const G4Dynam << 56 G4DecayProducts::G4DecayProducts(const G4DynamicParticle &aParticle)
>> 57 :numberOfProducts(0),theParentParticle(0)
46 { 58 {
47 theParentParticle = new G4DynamicParticle(aP 59 theParentParticle = new G4DynamicParticle(aParticle);
48 theProductVector = new G4DecayProductVector( <<
49 } 60 }
50 61
51 G4DecayProducts::G4DecayProducts(const G4Decay << 62 G4DecayProducts::G4DecayProducts(const G4DecayProducts &right)
>> 63 :numberOfProducts(0)
52 { 64 {
53 theProductVector = new G4DecayProductVector( <<
54 <<
55 // copy parent (Deep Copy) 65 // copy parent (Deep Copy)
56 theParentParticle = new G4DynamicParticle(*r 66 theParentParticle = new G4DynamicParticle(*right.theParentParticle);
57 67
58 // copy daughters (Deep Copy) << 68 //copy daughters (Deep Copy)
59 for (G4int index = 0; index < right.numberOf << 69 for (G4int index=0; index < right.numberOfProducts; index++)
60 G4DynamicParticle* daughter = right.thePro << 70 {
61 auto pDaughter = new G4DynamicParticle(*da << 71 G4DynamicParticle* daughter = right.theProductVector[index];
62 << 72 const G4DecayProducts* pPreAssigned = daughter->GetPreAssignedDecayProducts();
63 G4double properTime = daughter->GetPreAssi 73 G4double properTime = daughter->GetPreAssignedDecayProperTime();
64 if (properTime > 0.0) pDaughter->SetPreAss << 74 G4DynamicParticle* pDaughter = new G4DynamicParticle(*daughter);
65 75
66 const G4DecayProducts* pPreAssigned = daug << 76 if (pPreAssigned) {
67 if (pPreAssigned != nullptr) { << 77 G4DecayProducts* pPA = new G4DecayProducts(*pPreAssigned);
68 auto pPA = new G4DecayProducts(*pPreAssi <<
69 pDaughter->SetPreAssignedDecayProducts(p 78 pDaughter->SetPreAssignedDecayProducts(pPA);
>> 79 if(properTime>0.0)
>> 80 { pDaughter->SetPreAssignedDecayProperTime(properTime); }
70 } 81 }
71 theProductVector->push_back(pDaughter); << 82
>> 83 PushProducts( pDaughter );
72 } 84 }
73 numberOfProducts = right.numberOfProducts; <<
74 } 85 }
75 86
76 G4DecayProducts& G4DecayProducts::operator=(co << 87 G4DecayProducts & G4DecayProducts::operator=(const G4DecayProducts &right)
77 { 88 {
78 G4int index; 89 G4int index;
79 90
80 if (this != &right) { << 91 if (this != &right)
>> 92 {
81 // recreate parent 93 // recreate parent
82 delete theParentParticle; << 94 if (theParentParticle != 0) delete theParentParticle;
83 theParentParticle = new G4DynamicParticle( 95 theParentParticle = new G4DynamicParticle(*right.theParentParticle);
84 96
85 // delete G4DynamicParticle objects 97 // delete G4DynamicParticle objects
86 for (index = 0; index < numberOfProducts; << 98 for (index=0; index < numberOfProducts; index++)
87 delete theProductVector->at(index); << 99 {
>> 100 delete theProductVector[index];
88 } 101 }
89 theProductVector->clear(); <<
90 102
91 // copy daughters (Deep Copy) << 103 //copy daughters (Deep Copy)
92 for (index = 0; index < right.numberOfProd << 104 for (index=0; index < right.numberOfProducts; index++) {
93 G4DynamicParticle* daughter = right.theP << 105 PushProducts( new G4DynamicParticle(*right.theProductVector[index]) );
94 auto pDaughter = new G4DynamicParticle(* << 106 }
95 <<
96 G4double properTime = daughter->GetPreAs <<
97 if (properTime > 0.0) pDaughter->SetPreA <<
98 <<
99 const G4DecayProducts* pPreAssigned = da <<
100 if (pPreAssigned != nullptr) { <<
101 auto pPA = new G4DecayProducts(*pPreAs <<
102 pDaughter->SetPreAssignedDecayProducts <<
103 } <<
104 theProductVector->push_back(pDaughter); <<
105 } <<
106 numberOfProducts = right.numberOfProducts; 107 numberOfProducts = right.numberOfProducts;
>> 108
107 } 109 }
108 return *this; 110 return *this;
109 } 111 }
110 112
111 G4DecayProducts::~G4DecayProducts() 113 G4DecayProducts::~G4DecayProducts()
112 { 114 {
113 // delete parent << 115 //delete parent
114 delete theParentParticle; << 116 if (theParentParticle != 0) delete theParentParticle;
115 theParentParticle = nullptr; << 117
116 <<
117 // delete G4DynamicParticle object 118 // delete G4DynamicParticle object
118 for (G4int index = 0; index < numberOfProduc << 119 for (G4int index=0; index < numberOfProducts; index++)
119 delete theProductVector->at(index); << 120 {
>> 121 delete theProductVector[index];
120 } 122 }
121 theProductVector->clear(); << 123 numberOfProducts = 0;
122 numberOfProducts = 0; <<
123 delete theProductVector; <<
124 theProductVector = nullptr; <<
125 } 124 }
126 125
127 G4DynamicParticle* G4DecayProducts::PopProduct 126 G4DynamicParticle* G4DecayProducts::PopProducts()
128 { 127 {
129 if (numberOfProducts > 0) { << 128 if ( numberOfProducts >0 ) {
130 numberOfProducts -= 1; << 129 numberOfProducts -= 1;
131 G4DynamicParticle* part = theProductVector << 130 return theProductVector[numberOfProducts];
132 theProductVector->pop_back(); << 131 } else {
133 return part; << 132 return 0;
134 } << 133 }
135 <<
136 return nullptr; <<
137 } 134 }
138 135
139 G4int G4DecayProducts::PushProducts(G4DynamicP << 136 G4int G4DecayProducts::PushProducts(G4DynamicParticle *aParticle)
140 { << 137 {
141 theProductVector->push_back(aParticle); << 138 if ( numberOfProducts < MaxNumberOfProducts) {
142 numberOfProducts += 1; << 139 theProductVector[numberOfProducts]= aParticle;
143 return numberOfProducts; << 140 numberOfProducts += 1;
>> 141 } else {
>> 142 #ifdef G4VERBOSE
>> 143 G4cout << "G4DecayProducts::PushProducts ";
>> 144 G4cout << " exceeds MaxNumberOfProducts(="
>> 145 << G4int(MaxNumberOfProducts) << ")";
>> 146 G4cout << G4endl;
>> 147 #endif
>> 148 }
>> 149 return numberOfProducts;
144 } 150 }
145 151
146 G4DynamicParticle* G4DecayProducts::operator[] 152 G4DynamicParticle* G4DecayProducts::operator[](G4int anIndex) const
147 { 153 {
148 if ((numberOfProducts > anIndex) && (anIndex << 154 if ((numberOfProducts > anIndex) && (anIndex >=0) ) {
149 return theProductVector->at(anIndex); << 155 return theProductVector[anIndex];
150 } << 156 } else {
151 << 157 return 0;
152 return nullptr; << 158 }
153 } 159 }
154 160
155 void G4DecayProducts::SetParentParticle(const << 161 void G4DecayProducts::SetParentParticle(const G4DynamicParticle &aParticle)
156 { 162 {
157 delete theParentParticle; << 163 if (theParentParticle != 0) delete theParentParticle;
158 theParentParticle = new G4DynamicParticle(aP 164 theParentParticle = new G4DynamicParticle(aParticle);
159 } 165 }
160 166
161 void G4DecayProducts::Boost(G4double totalEner << 167
>> 168 void G4DecayProducts::Boost(G4double totalEnergy, const G4ThreeVector &momentumDirection)
162 { 169 {
163 // calculate new beta << 170 // calcurate new beta
164 G4double mass = theParentParticle->GetMass() << 171 G4double mass = theParentParticle->GetMass();
165 G4double totalMomentum(0); << 172 G4double totalMomentum(0);
166 if (totalEnergy > mass) { << 173 if (totalEnergy > mass ) totalMomentum = std::sqrt( (totalEnergy - mass)*(totalEnergy + mass) );
167 totalMomentum = std::sqrt((totalEnergy - m << 174 G4double betax = momentumDirection.x()*totalMomentum/totalEnergy;
168 } << 175 G4double betay = momentumDirection.y()*totalMomentum/totalEnergy;
169 G4double betax = momentumDirection.x() * tot << 176 G4double betaz = momentumDirection.z()*totalMomentum/totalEnergy;
170 G4double betay = momentumDirection.y() * tot << 177 this->Boost(betax, betay, betaz);
171 G4double betaz = momentumDirection.z() * tot <<
172 Boost(betax, betay, betaz); <<
173 } 178 }
174 179
175 void G4DecayProducts::Boost(G4double newbetax, 180 void G4DecayProducts::Boost(G4double newbetax, G4double newbetay, G4double newbetaz)
176 { << 181 {
177 G4double mass = theParentParticle->GetMass() << 182 G4double mass = theParentParticle->GetMass();
178 G4double energy = theParentParticle->GetTota << 183 G4double energy = theParentParticle->GetTotalEnergy();
179 G4double momentum = 0.0; << 184 G4double momentum = 0.0;
180 185
181 G4ThreeVector direction(0.0, 0.0, 1.0); << 186 G4ThreeVector direction(0.0,0.0,1.0);
182 G4LorentzVector p4; 187 G4LorentzVector p4;
183 188
184 if (energy - mass > DBL_MIN) { 189 if (energy - mass > DBL_MIN) {
185 // calcurate beta of initial state 190 // calcurate beta of initial state
186 momentum = theParentParticle->GetTotalMome << 191 momentum = theParentParticle->GetTotalMomentum();
187 direction = theParentParticle->GetMomentum 192 direction = theParentParticle->GetMomentumDirection();
188 G4double betax = -1.0 * direction.x() * mo << 193 G4double betax = -1.0*direction.x()*momentum/energy;
189 G4double betay = -1.0 * direction.y() * mo << 194 G4double betay = -1.0*direction.y()*momentum/energy;
190 G4double betaz = -1.0 * direction.z() * mo << 195 G4double betaz = -1.0*direction.z()*momentum/energy;
191 << 196
192 for (G4int index = 0; index < numberOfProd << 197 for (G4int index=0; index < numberOfProducts; index++) {
193 // make G4LorentzVector for secondaries << 198 // make G4LorentzVector for secondaries
194 p4 = (theProductVector->at(index))->Get4 << 199 p4 = theProductVector[index]->Get4Momentum();
195 << 200
196 // boost secondaries to theParentParticl << 201 // boost secondaries to theParentParticle's rest frame
197 p4.boost(betax, betay, betaz); << 202 p4.boost(betax, betay, betaz);
>> 203
>> 204 // boost secondaries to new frame
>> 205 p4.boost(newbetax, newbetay, newbetaz);
>> 206
>> 207 // change energy/momentum
>> 208 theProductVector[index]->Set4Momentum(p4);
>> 209 }
>> 210 } else {
>> 211 for (G4int index=0; index < numberOfProducts; index++) {
>> 212 // make G4LorentzVector for secondaries
>> 213 p4 = theProductVector[index]->Get4Momentum();
198 214
199 // boost secondaries to new frame << 215 // boost secondaries to new frame
200 p4.boost(newbetax, newbetay, newbetaz); << 216 p4.boost(newbetax, newbetay, newbetaz);
201 <<
202 // change energy/momentum <<
203 (theProductVector->at(index))->Set4Momen <<
204 } <<
205 } <<
206 else { <<
207 for (G4int index = 0; index < numberOfProd <<
208 // make G4LorentzVector for secondaries <<
209 p4 = (theProductVector->at(index))->Get4 <<
210 217
211 // boost secondaries to new frame << 218 // change energy/momentum
212 p4.boost(newbetax, newbetay, newbetaz); << 219 theProductVector[index]->Set4Momentum(p4);
213 << 220 }
214 // change energy/momentum << 221 }
215 (theProductVector->at(index))->Set4Momen << 222 // make G4LorentzVector for parent in its rest frame
216 } << 223 mass = theParentParticle->GetMass();
217 } << 224 G4LorentzVector parent4( 0.0, 0.0, 0.0, mass);
218 <<
219 // make G4LorentzVector for parent in its re <<
220 mass = theParentParticle->GetMass(); <<
221 G4LorentzVector parent4(0.0, 0.0, 0.0, mass) <<
222 225
223 // boost parent to new frame << 226 // boost parent to new frame
224 parent4.boost(newbetax, newbetay, newbetaz); << 227 parent4.boost(newbetax, newbetay, newbetaz);
225 228
226 // change energy/momentum << 229 // change energy/momentum
227 theParentParticle->Set4Momentum(parent4); << 230 theParentParticle->Set4Momentum(parent4);
228 } 231 }
229 232
230 G4bool G4DecayProducts::IsChecked() const 233 G4bool G4DecayProducts::IsChecked() const
231 { 234 {
232 G4bool returnValue = true; 235 G4bool returnValue = true;
233 << 236 // check parent
234 // check parent << 237 // energy/momentum
235 // energy/momentum << 238 G4double parent_energy = theParentParticle->GetTotalEnergy();
236 G4double parent_energy = theParentParticle-> <<
237 G4ThreeVector direction = theParentParticle- 239 G4ThreeVector direction = theParentParticle->GetMomentumDirection();
238 G4ThreeVector parent_momentum = direction * << 240 G4ThreeVector parent_momentum = direction*(theParentParticle->GetTotalMomentum());
239 << 241 // check momentum dirction is a unit vector
240 // check momentum direction is a unit vector << 242 if ( (parent_momentum.mag() >0.0) && (std::abs(direction.mag()-1.0) >1.0e-6 ) ) {
241 if ((parent_momentum.mag() > 0.0) && (std::f <<
242 #ifdef G4VERBOSE 243 #ifdef G4VERBOSE
243 G4cout << "G4DecayProducts::IsChecked():: << 244 G4cout << " Momentum Direction Vector of Parent is not normalized ";
244 << " Momentum Direction Vector of P << 245 G4cout << " (=" << direction.mag() << ")" << G4endl;
245 << " (=" << direction.mag() << ")" <<
246 #endif 246 #endif
247 returnValue = false; 247 returnValue = false;
248 parent_momentum = parent_momentum * (1. / << 248 parent_momentum = parent_momentum * (1./direction.mag());
249 } 249 }
250 250
251 // daughters << 251 //daughters
252 G4double mass, energy; << 252 G4double mass, energy;
253 G4ThreeVector momentum; 253 G4ThreeVector momentum;
254 G4double total_energy = parent_energy; << 254 G4double total_energy = parent_energy;
255 G4ThreeVector total_momentum = parent_moment << 255 G4ThreeVector total_momentum = parent_momentum;
256 << 256 for (G4int index=0; index < numberOfProducts; index++)
257 for (G4int index = 0; index < numberOfProduc << 257 {
258 G4DynamicParticle* part = theProductVector << 258 mass = theProductVector[index]->GetMass();
259 mass = part->GetMass(); << 259 energy = theProductVector[index]->GetTotalEnergy();
260 energy = part->GetTotalEnergy(); << 260 direction = theProductVector[index]->GetMomentumDirection();
261 direction = part->GetMomentumDirection(); << 261 momentum = direction*(theProductVector[index]->GetTotalMomentum());
262 momentum = direction * (part->GetTotalMome << 262 // check momentum dirction is a unit vector
263 << 263 if ( (momentum.mag()>0.0) && (std::abs(direction.mag()-1.0) > 1.0e-6)) {
264 // check momentum direction is a unit vect <<
265 if ((momentum.mag() > 0.0) && (std::fabs(d <<
266 #ifdef G4VERBOSE 264 #ifdef G4VERBOSE
267 G4cout << "G4DecayProducts::IsChecked(): << 265 G4cout << " Momentum Direction Vector of Daughter [" << index;
268 << " Momentum Direction Vector of << 266 G4cout << "] is not normalized (=" << direction.mag() << ")" << G4endl;
269 << "] is not normalized (=" << d <<
270 #endif 267 #endif
271 returnValue = false; 268 returnValue = false;
272 momentum = momentum * (1. / direction.ma << 269 momentum = momentum * (1./direction.mag());
273 } 270 }
274 // whether daughter stops or not 271 // whether daughter stops or not
275 if (energy - mass < DBL_MIN) { << 272 if (energy - mass < DBL_MIN ) {
276 #ifdef G4VERBOSE 273 #ifdef G4VERBOSE
277 G4cout << "G4DecayProducts::IsChecked(): << 274 G4cout << "Daughter [" << index << "] has no kinetic energy "<< G4endl;
278 << " Daughter [" << index << "] <<
279 #endif 275 #endif
280 returnValue = false; 276 returnValue = false;
281 } 277 }
282 total_energy -= energy; << 278 total_energy -= energy;
283 total_momentum -= momentum; 279 total_momentum -= momentum;
284 } 280 }
285 // check energy/momentum conservation 281 // check energy/momentum conservation
286 if ((std::fabs(total_energy) > 1.0e-9 * MeV) << 282 if ( (std::abs(total_energy) >1.0e-6) || (total_momentum.mag() >1.0e-6 ) ){
287 #ifdef G4VERBOSE 283 #ifdef G4VERBOSE
288 G4cout << "G4DecayProducts::IsChecked():: << 284 G4cout << " Energy/Momentum is not conserved "<< G4endl;
289 << " Energy/Momentum is not conserv << 285 G4cout << " difference between parent energy and sum of dughters' energy : "
290 G4cout << " difference between parent ener << 286 << total_energy /MeV << "[MeV] " << G4endl;
291 << "[MeV] " << G4endl; << 287 G4cout << " difference between parent momentum and sum of dughters' momentum : "
292 G4cout << " difference between parent mome << 288 << " x:" << total_momentum.getX()/MeV
293 << " x:" << total_momentum.getX() / << 289 << " y:" << total_momentum.getY()/MeV
294 << " z:" << total_momentum.getZ() / << 290 << " z:" << total_momentum.getZ()/MeV
>> 291 << G4endl;
295 #endif 292 #endif
296 returnValue = false; 293 returnValue = false;
297 } 294 }
298 return returnValue; 295 return returnValue;
299 } 296 }
300 297
301 void G4DecayProducts::DumpInfo() const 298 void G4DecayProducts::DumpInfo() const
302 { 299 {
303 G4cout << " ----- List of DecayProducts --- << 300 G4cout << " ----- List of DecayProducts -----" << G4endl;
304 G4cout << " ------ Parent Particle --------- << 301 G4cout << " ------ Parent Particle ----------" << G4endl;
305 if (theParentParticle != nullptr) theParentP << 302 if (theParentParticle != 0) theParentParticle->DumpInfo();
306 G4cout << " ------ Daughter Particles ----- << 303 G4cout << " ------ Daughter Particles ------" << G4endl;
307 for (G4int index = 0; index < numberOfProduc << 304 for (G4int index=0; index < numberOfProducts; index++)
308 G4cout << " ----------" << index + 1 << " << 305 {
309 (theProductVector->at(index))->DumpInfo(); << 306 G4cout << " ----------" << index+1 << " -------------" << G4endl;
310 } << 307 theProductVector[index]-> DumpInfo();
311 G4cout << " ----- End List of DecayProducts << 308 }
312 G4cout << G4endl; << 309 G4cout << " ----- End List of DecayProducts -----" << G4endl;
313 } << 310 G4cout << G4endl;
>> 311 }
314 312