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25 // 22 //
26 // G4DecayProducts class implementation <<
27 // 23 //
28 // Author: H.Kurashige, 12 July 1996 << 24 // $Id: G4DecayProducts.cc,v 1.9 2001/07/11 10:01:59 gunter Exp $
>> 25 // GEANT4 tag $Name: geant4-04-01 $
>> 26 //
>> 27 //
>> 28 // ------------------------------------------------------------
>> 29 // GEANT 4 class implementation file
>> 30 //
>> 31 // History: first implementation, based on object model of
>> 32 // 10 July 1996 H.Kurashige
>> 33 // 21 Oct 1996 H.Kurashige
>> 34 // 12 Dec 1997 H.Kurashige
29 // ------------------------------------------- 35 // ------------------------------------------------------------
30 36
>> 37 #include "G4ios.hh"
>> 38 #include "globals.hh"
31 #include "G4DecayProducts.hh" 39 #include "G4DecayProducts.hh"
32 40
33 #include "G4LorentzRotation.hh" <<
34 #include "G4LorentzVector.hh" 41 #include "G4LorentzVector.hh"
35 #include "G4PhysicalConstants.hh" << 42 #include "G4LorentzRotation.hh"
36 #include "G4SystemOfUnits.hh" << 43
37 #include "G4ios.hh" << 44 G4Allocator<G4DecayProducts> aDecayProductsAllocator;
38 #include "globals.hh" << 45
39 46
40 G4DecayProducts::G4DecayProducts() 47 G4DecayProducts::G4DecayProducts()
41 { << 48 :numberOfProducts(0),theParentParticle(0)
42 theProductVector = new G4DecayProductVector( << 49 {
>> 50
43 } 51 }
44 52
45 G4DecayProducts::G4DecayProducts(const G4Dynam << 53 G4DecayProducts::G4DecayProducts(const G4DynamicParticle &aParticle)
>> 54 :numberOfProducts(0),theParentParticle(0)
46 { 55 {
47 theParentParticle = new G4DynamicParticle(aP 56 theParentParticle = new G4DynamicParticle(aParticle);
48 theProductVector = new G4DecayProductVector( <<
49 } 57 }
50 58
51 G4DecayProducts::G4DecayProducts(const G4Decay << 59 G4DecayProducts::G4DecayProducts(const G4DecayProducts &right)
>> 60 :numberOfProducts(0)
52 { 61 {
53 theProductVector = new G4DecayProductVector( <<
54 <<
55 // copy parent (Deep Copy) 62 // copy parent (Deep Copy)
56 theParentParticle = new G4DynamicParticle(*r 63 theParentParticle = new G4DynamicParticle(*right.theParentParticle);
57 64
58 // copy daughters (Deep Copy) << 65 //copy daughters (Deep Copy)
59 for (G4int index = 0; index < right.numberOf << 66 for (G4int index=0; index < right.numberOfProducts; index++)
60 G4DynamicParticle* daughter = right.thePro << 67 {
61 auto pDaughter = new G4DynamicParticle(*da << 68 G4DynamicParticle* daughter = right.theProductVector[index];
62 <<
63 G4double properTime = daughter->GetPreAssi <<
64 if (properTime > 0.0) pDaughter->SetPreAss <<
65 <<
66 const G4DecayProducts* pPreAssigned = daug 69 const G4DecayProducts* pPreAssigned = daughter->GetPreAssignedDecayProducts();
67 if (pPreAssigned != nullptr) { << 70 G4DynamicParticle* pDaughter = new G4DynamicParticle(*daughter);
68 auto pPA = new G4DecayProducts(*pPreAssi << 71
>> 72 if (pPreAssigned) {
>> 73 G4DecayProducts* pPA = new G4DecayProducts(*pPreAssigned);
69 pDaughter->SetPreAssignedDecayProducts(p 74 pDaughter->SetPreAssignedDecayProducts(pPA);
70 } 75 }
71 theProductVector->push_back(pDaughter); << 76
>> 77 PushProducts( pDaughter );
72 } 78 }
73 numberOfProducts = right.numberOfProducts; <<
74 } 79 }
75 80
76 G4DecayProducts& G4DecayProducts::operator=(co << 81 G4DecayProducts & G4DecayProducts::operator=(const G4DecayProducts &right)
77 { 82 {
78 G4int index; 83 G4int index;
79 84
80 if (this != &right) { << 85 if (this != &right)
>> 86 {
81 // recreate parent 87 // recreate parent
82 delete theParentParticle; << 88 if (theParentParticle != 0) delete theParentParticle;
83 theParentParticle = new G4DynamicParticle( 89 theParentParticle = new G4DynamicParticle(*right.theParentParticle);
84 90
85 // delete G4DynamicParticle objects 91 // delete G4DynamicParticle objects
86 for (index = 0; index < numberOfProducts; << 92 for (index=0; index < numberOfProducts; index++)
87 delete theProductVector->at(index); << 93 {
>> 94 delete theProductVector[index];
88 } 95 }
89 theProductVector->clear(); <<
90 96
91 // copy daughters (Deep Copy) << 97 //copy daughters (Deep Copy)
92 for (index = 0; index < right.numberOfProd << 98 for (index=0; index < right.numberOfProducts; index++) {
93 G4DynamicParticle* daughter = right.theP << 99 PushProducts( new G4DynamicParticle(*right.theProductVector[index]) );
94 auto pDaughter = new G4DynamicParticle(* << 100 }
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; 101 numberOfProducts = right.numberOfProducts;
>> 102
107 } 103 }
108 return *this; 104 return *this;
109 } 105 }
110 106
111 G4DecayProducts::~G4DecayProducts() 107 G4DecayProducts::~G4DecayProducts()
112 { 108 {
113 // delete parent << 109 //delete parent
114 delete theParentParticle; << 110 if (theParentParticle != 0) delete theParentParticle;
115 theParentParticle = nullptr; << 111
116 <<
117 // delete G4DynamicParticle object 112 // delete G4DynamicParticle object
118 for (G4int index = 0; index < numberOfProduc << 113 for (G4int index=0; index < numberOfProducts; index++)
119 delete theProductVector->at(index); << 114 {
>> 115 delete theProductVector[index];
120 } 116 }
121 theProductVector->clear(); << 117 numberOfProducts = 0;
122 numberOfProducts = 0; <<
123 delete theProductVector; <<
124 theProductVector = nullptr; <<
125 } 118 }
126 119
127 G4DynamicParticle* G4DecayProducts::PopProduct 120 G4DynamicParticle* G4DecayProducts::PopProducts()
128 { 121 {
129 if (numberOfProducts > 0) { << 122 if ( numberOfProducts >0 ) {
130 numberOfProducts -= 1; << 123 numberOfProducts -= 1;
131 G4DynamicParticle* part = theProductVector << 124 return theProductVector[numberOfProducts];
132 theProductVector->pop_back(); << 125 } else {
133 return part; << 126 return 0;
134 } << 127 }
135 <<
136 return nullptr; <<
137 } 128 }
138 129
139 G4int G4DecayProducts::PushProducts(G4DynamicP << 130 G4int G4DecayProducts::PushProducts(G4DynamicParticle *aParticle)
140 { << 131 {
141 theProductVector->push_back(aParticle); << 132 if ( numberOfProducts < MaxNumberOfProducts) {
142 numberOfProducts += 1; << 133 theProductVector[numberOfProducts]= aParticle;
143 return numberOfProducts; << 134 numberOfProducts += 1;
>> 135 } else {
>> 136 #ifdef G4VERBOSE
>> 137 G4cout << "G4DecayProducts::PushProducts ";
>> 138 G4cout << " exceeds MaxNumberOfProducts(="
>> 139 << G4int(MaxNumberOfProducts) << ")";
>> 140 G4cout << G4endl;
>> 141 #endif
>> 142 }
>> 143 return numberOfProducts;
144 } 144 }
145 145
146 G4DynamicParticle* G4DecayProducts::operator[] 146 G4DynamicParticle* G4DecayProducts::operator[](G4int anIndex) const
147 { 147 {
148 if ((numberOfProducts > anIndex) && (anIndex << 148 if ((numberOfProducts > anIndex) && (anIndex >=0) ) {
149 return theProductVector->at(anIndex); << 149 return theProductVector[anIndex];
150 } << 150 } else {
151 << 151 return 0;
152 return nullptr; << 152 }
153 } 153 }
154 154
155 void G4DecayProducts::SetParentParticle(const << 155 void G4DecayProducts::SetParentParticle(const G4DynamicParticle &aParticle)
156 { 156 {
157 delete theParentParticle; << 157 if (theParentParticle != 0) delete theParentParticle;
158 theParentParticle = new G4DynamicParticle(aP 158 theParentParticle = new G4DynamicParticle(aParticle);
159 } 159 }
160 160
161 void G4DecayProducts::Boost(G4double totalEner << 161
>> 162 void G4DecayProducts::Boost(G4double totalEnergy, const G4ThreeVector &momentumDirection)
162 { 163 {
163 // calculate new beta << 164 // calcurate new beta
164 G4double mass = theParentParticle->GetMass() << 165 G4double mass = theParentParticle->GetMass();
165 G4double totalMomentum(0); << 166 G4double totalMomentum = sqrt( (totalEnergy - mass)*(totalEnergy + mass) );
166 if (totalEnergy > mass) { << 167 G4double betax = momentumDirection.x()*totalMomentum/totalEnergy;
167 totalMomentum = std::sqrt((totalEnergy - m << 168 G4double betay = momentumDirection.y()*totalMomentum/totalEnergy;
168 } << 169 G4double betaz = momentumDirection.z()*totalMomentum/totalEnergy;
169 G4double betax = momentumDirection.x() * tot << 170 this->Boost(betax, betay, betaz);
170 G4double betay = momentumDirection.y() * tot <<
171 G4double betaz = momentumDirection.z() * tot <<
172 Boost(betax, betay, betaz); <<
173 } 171 }
174 172
175 void G4DecayProducts::Boost(G4double newbetax, 173 void G4DecayProducts::Boost(G4double newbetax, G4double newbetay, G4double newbetaz)
176 { << 174 {
177 G4double mass = theParentParticle->GetMass() << 175 G4double mass = theParentParticle->GetMass();
178 G4double energy = theParentParticle->GetTota << 176 G4double energy = theParentParticle->GetTotalEnergy();
179 G4double momentum = 0.0; << 177 G4double momentum = 0.0;
180 178
181 G4ThreeVector direction(0.0, 0.0, 1.0); << 179 G4ThreeVector direction(0.0,0.0,1.0);
182 G4LorentzVector p4; 180 G4LorentzVector p4;
183 181
184 if (energy - mass > DBL_MIN) { 182 if (energy - mass > DBL_MIN) {
185 // calcurate beta of initial state 183 // calcurate beta of initial state
186 momentum = theParentParticle->GetTotalMome << 184 momentum = theParentParticle->GetTotalMomentum();
187 direction = theParentParticle->GetMomentum 185 direction = theParentParticle->GetMomentumDirection();
188 G4double betax = -1.0 * direction.x() * mo << 186 G4double betax = -1.0*direction.x()*momentum/energy;
189 G4double betay = -1.0 * direction.y() * mo << 187 G4double betay = -1.0*direction.y()*momentum/energy;
190 G4double betaz = -1.0 * direction.z() * mo << 188 G4double betaz = -1.0*direction.z()*momentum/energy;
191 << 189
192 for (G4int index = 0; index < numberOfProd << 190 for (G4int index=0; index < numberOfProducts; index++) {
193 // make G4LorentzVector for secondaries << 191 // make G4LorentzVector for secondaries
194 p4 = (theProductVector->at(index))->Get4 << 192 p4 = theProductVector[index]->Get4Momentum();
195 << 193
196 // boost secondaries to theParentParticl << 194 // boost secondaries to theParentParticle's rest frame
197 p4.boost(betax, betay, betaz); << 195 p4.boost(betax, betay, betaz);
>> 196
>> 197 // boost secondaries to new frame
>> 198 p4.boost(newbetax, newbetay, newbetaz);
>> 199
>> 200 // change energy/momentum
>> 201 theProductVector[index]->Set4Momentum(p4);
>> 202 }
>> 203 } else {
>> 204 for (G4int index=0; index < numberOfProducts; index++) {
>> 205 // make G4LorentzVector for secondaries
>> 206 p4 = theProductVector[index]->Get4Momentum();
198 207
199 // boost secondaries to new frame << 208 // boost secondaries to new frame
200 p4.boost(newbetax, newbetay, newbetaz); << 209 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 <<
210 210
211 // boost secondaries to new frame << 211 // change energy/momentum
212 p4.boost(newbetax, newbetay, newbetaz); << 212 theProductVector[index]->Set4Momentum(p4);
213 << 213 }
214 // change energy/momentum << 214 }
215 (theProductVector->at(index))->Set4Momen << 215 // make G4LorentzVector for parent in its rest frame
216 } << 216 mass = theParentParticle->GetMass();
217 } << 217 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) <<
222 218
223 // boost parent to new frame << 219 // boost parent to new frame
224 parent4.boost(newbetax, newbetay, newbetaz); << 220 parent4.boost(newbetax, newbetay, newbetaz);
225 221
226 // change energy/momentum << 222 // change energy/momentum
227 theParentParticle->Set4Momentum(parent4); << 223 theParentParticle->Set4Momentum(parent4);
228 } 224 }
229 225
230 G4bool G4DecayProducts::IsChecked() const 226 G4bool G4DecayProducts::IsChecked() const
231 { 227 {
232 G4bool returnValue = true; 228 G4bool returnValue = true;
233 << 229 // check parent
234 // check parent << 230 // energy/momentum
235 // energy/momentum << 231 G4double parent_energy = theParentParticle->GetTotalEnergy();
236 G4double parent_energy = theParentParticle-> <<
237 G4ThreeVector direction = theParentParticle- 232 G4ThreeVector direction = theParentParticle->GetMomentumDirection();
238 G4ThreeVector parent_momentum = direction * << 233 G4ThreeVector parent_momentum = direction*(theParentParticle->GetTotalMomentum());
239 << 234 // check momentum dirction is a unit vector
240 // check momentum direction is a unit vector << 235 if ( (parent_momentum.mag() >0.0) && (abs(direction.mag()-1.0) >1.0e-6 ) ) {
241 if ((parent_momentum.mag() > 0.0) && (std::f <<
242 #ifdef G4VERBOSE 236 #ifdef G4VERBOSE
243 G4cout << "G4DecayProducts::IsChecked():: << 237 G4cout << " Momentum Direction Vector of Parent is not normalized ";
244 << " Momentum Direction Vector of P << 238 G4cout << " (=" << direction.mag() << ")" << G4endl;
245 << " (=" << direction.mag() << ")" <<
246 #endif 239 #endif
247 returnValue = false; 240 returnValue = false;
248 parent_momentum = parent_momentum * (1. / << 241 parent_momentum = parent_momentum * (1./direction.mag());
249 } 242 }
250 243
251 // daughters << 244 //daughters
252 G4double mass, energy; << 245 G4double mass, energy;
253 G4ThreeVector momentum; 246 G4ThreeVector momentum;
254 G4double total_energy = parent_energy; << 247 G4double total_energy = parent_energy;
255 G4ThreeVector total_momentum = parent_moment << 248 G4ThreeVector total_momentum = parent_momentum;
256 << 249 for (G4int index=0; index < numberOfProducts; index++)
257 for (G4int index = 0; index < numberOfProduc << 250 {
258 G4DynamicParticle* part = theProductVector << 251 mass = theProductVector[index]->GetMass();
259 mass = part->GetMass(); << 252 energy = theProductVector[index]->GetTotalEnergy();
260 energy = part->GetTotalEnergy(); << 253 direction = theProductVector[index]->GetMomentumDirection();
261 direction = part->GetMomentumDirection(); << 254 momentum = direction*(theProductVector[index]->GetTotalMomentum());
262 momentum = direction * (part->GetTotalMome << 255 // check momentum dirction is a unit vector
263 << 256 if ( (momentum.mag()>0.0) && (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 257 #ifdef G4VERBOSE
267 G4cout << "G4DecayProducts::IsChecked(): << 258 G4cout << " Momentum Direction Vector of Daughter [" << index;
268 << " Momentum Direction Vector of << 259 G4cout << "] is not normalized (=" << direction.mag() << ")" << G4endl;
269 << "] is not normalized (=" << d <<
270 #endif 260 #endif
271 returnValue = false; 261 returnValue = false;
272 momentum = momentum * (1. / direction.ma << 262 momentum = momentum * (1./direction.mag());
273 } 263 }
274 // whether daughter stops or not 264 // whether daughter stops or not
275 if (energy - mass < DBL_MIN) { << 265 if (energy - mass < DBL_MIN ) {
276 #ifdef G4VERBOSE 266 #ifdef G4VERBOSE
277 G4cout << "G4DecayProducts::IsChecked(): << 267 G4cout << "Daughter [" << index << "] has no kinetic energy "<< G4endl;
278 << " Daughter [" << index << "] <<
279 #endif 268 #endif
280 returnValue = false; 269 returnValue = false;
281 } 270 }
282 total_energy -= energy; << 271 total_energy -= energy;
283 total_momentum -= momentum; 272 total_momentum -= momentum;
284 } 273 }
285 // check energy/momentum conservation 274 // check energy/momentum conservation
286 if ((std::fabs(total_energy) > 1.0e-9 * MeV) << 275 if ( (abs(total_energy) >1.0e-6) || (total_momentum.mag() >1.0e-6 ) ){
287 #ifdef G4VERBOSE 276 #ifdef G4VERBOSE
288 G4cout << "G4DecayProducts::IsChecked():: << 277 G4cout << " Energy/Momentum is not conserved ";
289 << " Energy/Momentum is not conserv << 278 G4cout << total_energy << " " << total_momentum << G4endl;
290 G4cout << " difference between parent ener <<
291 << "[MeV] " << G4endl; <<
292 G4cout << " difference between parent mome <<
293 << " x:" << total_momentum.getX() / <<
294 << " z:" << total_momentum.getZ() / <<
295 #endif 279 #endif
296 returnValue = false; 280 returnValue = false;
297 } 281 }
298 return returnValue; 282 return returnValue;
299 } 283 }
300 284
301 void G4DecayProducts::DumpInfo() const 285 void G4DecayProducts::DumpInfo() const
302 { 286 {
303 G4cout << " ----- List of DecayProducts --- << 287 G4cout << " ----- List of DecayProducts -----" << G4endl;
304 G4cout << " ------ Parent Particle --------- << 288 G4cout << " ------ Parent Particle ----------" << G4endl;
305 if (theParentParticle != nullptr) theParentP << 289 if (theParentParticle != 0) theParentParticle->DumpInfo();
306 G4cout << " ------ Daughter Particles ----- << 290 G4cout << " ------ Daughter Particles ------" << G4endl;
307 for (G4int index = 0; index < numberOfProduc << 291 for (G4int index=0; index < numberOfProducts; index++)
308 G4cout << " ----------" << index + 1 << " << 292 {
309 (theProductVector->at(index))->DumpInfo(); << 293 G4cout << " ----------" << index+1 << " -------------" << G4endl;
310 } << 294 theProductVector[index]-> DumpInfo();
311 G4cout << " ----- End List of DecayProducts << 295 }
312 G4cout << G4endl; << 296 G4cout << " ----- End List of DecayProducts -----" << G4endl;
313 } << 297 G4cout << G4endl;
>> 298 }
314 299