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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // G4DecayProducts class implementation << 27 // 26 // 28 // Author: H.Kurashige, 12 July 1996 << 27 // $Id: G4DecayProducts.cc,v 1.17 2009/04/02 02:24:53 kurasige Exp $ >> 28 // GEANT4 tag $Name: geant4-09-03-patch-02 $ >> 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::fabs(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::fabs(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::fabs(total_energy) >1.0e-9*MeV) || (total_momentum.mag() >1.0e-9*MeV ) ){ 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