Geant4 Cross Reference |
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clean-u 26 // Historic fragment from M.Komogorov; clean-up still necessary @@@ 27 27 28 #include "G4ExcitedStringDecay.hh" 28 #include "G4ExcitedStringDecay.hh" 29 #include "G4SystemOfUnits.hh" 29 #include "G4SystemOfUnits.hh" 30 #include "G4KineticTrack.hh" 30 #include "G4KineticTrack.hh" 31 #include "G4LundStringFragmentation.hh" << 32 #include "G4HadronicInteractionRegistry.hh" << 33 31 34 #include "G4SampleResonance.hh" << 32 G4ExcitedStringDecay::G4ExcitedStringDecay() : G4VStringFragmentation(), >> 33 theStringDecay(0) >> 34 {} 35 35 36 //#define debug_G4ExcitedStringDecay << 36 G4ExcitedStringDecay::G4ExcitedStringDecay(G4VLongitudinalStringDecay * aStringDecay) 37 //#define debug_G4ExcitedStringCorr << 37 : G4VStringFragmentation(), >> 38 theStringDecay(aStringDecay) >> 39 {} 38 40 39 G4ExcitedStringDecay::G4ExcitedStringDecay(G4V << 41 G4ExcitedStringDecay::G4ExcitedStringDecay(const G4ExcitedStringDecay &) 40 : G4VStringFragmentation(), theStringDecay(p << 42 : G4VStringFragmentation(), >> 43 theStringDecay(0) 41 { 44 { 42 if(!ptr) { << 45 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay::copy ctor not accessible"); 43 G4HadronicInteraction* p = << 46 } 44 G4HadronicInteractionRegistry::Instance( << 45 theStringDecay = static_cast<G4VLongitudin << 46 if(!theStringDecay) { theStringDecay = new << 47 } << 48 SetModelName(theStringDecay->GetModelName()) << 49 } << 50 47 51 G4ExcitedStringDecay::~G4ExcitedStringDecay() 48 G4ExcitedStringDecay::~G4ExcitedStringDecay() 52 {} << 49 { >> 50 } 53 51 54 G4KineticTrackVector *G4ExcitedStringDecay::Fr << 52 const G4ExcitedStringDecay & G4ExcitedStringDecay::operator=(const G4ExcitedStringDecay &) 55 { 53 { 56 return theStringDecay->FragmentString(theStr << 54 throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay::operator= meant to not be accessable"); >> 55 return *this; 57 } 56 } 58 57 59 G4KineticTrackVector *G4ExcitedStringDecay::Fr << 58 int G4ExcitedStringDecay::operator==(const G4ExcitedStringDecay &) const 60 { 59 { 61 G4LorentzVector KTsum(0.,0.,0.,0.); << 60 return 0; >> 61 } 62 62 63 #ifdef debug_G4ExcitedStringDecay << 63 int G4ExcitedStringDecay::operator!=(const G4ExcitedStringDecay &) const 64 G4cout<<G4endl; << 64 { 65 G4cout<<"--------------------------- G4Excit << 65 return 1; 66 G4cout<<"Hadronization of Excited Strings: t << 66 } 67 #endif << 68 67 69 for ( unsigned int astring=0; astring < theS << 68 G4KineticTrackVector *G4ExcitedStringDecay::FragmentString 70 // for ( unsigned int astring=0; astring < 1 << 69 (const G4ExcitedString &theString) 71 { << 70 { 72 // G4cout<<"theStrings->operator[](astring << 71 if ( theStringDecay == NULL ) 73 if ( theStrings->operator[](astring)->IsEx << 74 {KTsum+= theStrings->operator[](astri << 75 else {KTsum+=theStrings->operator[](astrin << 76 } << 77 72 78 G4LorentzRotation toCms( -1 * KTsum.boostVec << 73 theStringDecay=new G4LundStringFragmentation(); 79 G4LorentzRotation toLab(toCms.inverse()); << 74 80 G4LorentzVector Ptmp; << 75 return theStringDecay->FragmentString(theString); 81 KTsum=G4LorentzVector(0.,0.,0.,0.); << 76 } >> 77 >> 78 G4KineticTrackVector *G4ExcitedStringDecay::FragmentStrings >> 79 (const G4ExcitedStringVector * theStrings) >> 80 { >> 81 G4LorentzVector KTsum(0.,0.,0.,0.); 82 82 >> 83 //G4cout<<"theStrings->size() "<<theStrings->size()<<G4endl; 83 for ( unsigned int astring=0; astring < theS 84 for ( unsigned int astring=0; astring < theStrings->size(); astring++) 84 // for ( unsigned int astring=0; astring < 1 << 85 { 85 { 86 if ( theStrings->operator[](astring)->IsEx << 86 KTsum+= theStrings->operator[](astring)->Get4Momentum(); 87 { << 88 Ptmp=toCms * theStrings->operator[](astr << 89 theStrings->operator[](astring)->GetLeft << 90 << 91 Ptmp=toCms * theStrings->operator[](astr << 92 theStrings->operator[](astring)->GetRigh << 93 << 94 KTsum+= theStrings->operator[](astring)- << 95 } << 96 else << 97 { << 98 Ptmp=toCms * theStrings->operator[](astr << 99 theStrings->operator[](astring)->GetKine << 100 KTsum+= theStrings->operator[](astring)- << 101 } << 102 } 87 } 103 88 104 G4SampleResonance BrW; << 105 const G4ParticleDefinition* TrackDefinition= << 106 << 107 G4KineticTrackVector * theResult = new G4Kin 89 G4KineticTrackVector * theResult = new G4KineticTrackVector; 108 G4int attempts(0); 90 G4int attempts(0); 109 G4bool success=false; 91 G4bool success=false; 110 G4bool NeedEnergyCorrector=false; 92 G4bool NeedEnergyCorrector=false; 111 do { 93 do { 112 #ifdef debug_G4ExcitedStringDecay << 94 //G4cout<<"Check of momentum at string fragmentations. New try."<<G4endl; 113 G4cout<<"New try No "<<attempts<<" to << 114 #endif << 115 << 116 std::for_each(theResult->begin() , theResult 95 std::for_each(theResult->begin() , theResult->end() , DeleteKineticTrack()); 117 theResult->clear(); 96 theResult->clear(); 118 97 119 attempts++; 98 attempts++; 120 << 99 //G4cout<<G4endl<<"attempts "<<attempts<<G4endl; 121 G4LorentzVector KTsecondaries(0.,0.,0.,0.); 100 G4LorentzVector KTsecondaries(0.,0.,0.,0.); 122 NeedEnergyCorrector=false; 101 NeedEnergyCorrector=false; 123 102 124 for ( unsigned int astring=0; astring < theS 103 for ( unsigned int astring=0; astring < theStrings->size(); astring++) 125 // for ( unsigned int astring=0; astri << 126 // for ( unsigned int astring=1; astri << 127 // for ( unsigned int astring=0; astri << 128 { 104 { 129 #ifdef debug_G4ExcitedStringDecay << 105 //G4cout<<"String No "<<astring+1<<" "<<theStrings->operator[](astring)->Get4Momentum().mag2()<<" "<<theStrings->operator[](astring)->GetRightParton()->GetPDGcode()<<" "<<theStrings->operator[](astring)->GetLeftParton()->GetPDGcode()<<" "<<theStrings->operator[](astring)->Get4Momentum()<<G4endl; 130 G4cout<<"String No "<<astring+1<<" E << 106 //G4int Uzhi; G4cin >>Uzhi; 131 << 132 G4cout<<"String No "<<astring+1<<" 4 << 133 <<" "<<theStrings->operator[](astrin << 134 #endif << 135 << 136 G4KineticTrackVector * generatedKine 107 G4KineticTrackVector * generatedKineticTracks = NULL; 137 if ( theStrings->operator[](astring)->IsEx 108 if ( theStrings->operator[](astring)->IsExcited() ) 138 { 109 { 139 #ifdef debug_G4ExcitedStringDecay << 110 //G4cout<<"Fragment String"<<G4endl; 140 G4cout<<"Fragment String with par << 141 <<theStrings->operator[](as << 142 <<theStrings->operator[](as << 143 <<"Direction "<<theStrings- << 144 #endif << 145 generatedKineticTracks=FragmentString 111 generatedKineticTracks=FragmentString(*theStrings->operator[](astring)); 146 #ifdef debug_G4ExcitedStringDecay << 147 G4cout<<"(G4ExcitedStringDecay) N << 148 <<generatedKineticTracks->s << 149 #endif << 150 } else { 112 } else { 151 #ifdef debug_G4ExcitedStringDecay << 152 G4cout<<" GetTrack from the Str << 153 #endif << 154 G4LorentzVector Mom=theStrings->o << 155 G4KineticTrack * aTrack= new G4Ki << 156 theStrings->operat << 157 theStrings->operat << 158 G4ThreeVector(0), << 159 << 160 aTrack->SetPosition(theStrings->o << 161 << 162 #ifdef debug_G4ExcitedStringDecay << 163 G4cout<<" A particle stored in << 164 #endif << 165 << 166 generatedKineticTracks = new G4KineticT 113 generatedKineticTracks = new G4KineticTrackVector; 167 generatedKineticTracks->push_back(aTrac << 114 generatedKineticTracks->push_back(theStrings->operator[](astring)->GetKineticTrack()); 168 } 115 } 169 116 170 if (generatedKineticTracks == nullptr || g << 117 if (generatedKineticTracks == NULL) 171 { 118 { 172 // G4cerr << "G4VPartonStringMode << 119 G4cerr << "G4VPartonStringModel:No KineticTracks produced" << G4endl; 173 delete generatedKineticTracks; << 120 continue; 174 generatedKineticTracks = nullptr; << 175 continue; << 176 } 121 } 177 122 178 G4LorentzVector KTsum1(0.,0.,0.,0.); 123 G4LorentzVector KTsum1(0.,0.,0.,0.); 179 for ( unsigned int aTrack=0; aTrack< 124 for ( unsigned int aTrack=0; aTrack<generatedKineticTracks->size();aTrack++) 180 { 125 { 181 #ifdef debug_G4ExcitedStringDecay << 126 //--debug-- G4cout<<"Prod part "<<(*generatedKineticTracks)[aTrack]->GetDefinition()->GetParticleName()<<" "<<(*generatedKineticTracks)[aTrack]->Get4Momentum()<<G4endl; 182 G4cout<<"Prod part No. "<<aTrack+ << 183 <<(*generatedKineticTracks) << 184 <<(*generatedKineticTracks) << 185 <<(*generatedKineticTracks) << 186 #endif << 187 // --------------- Sampling mass << 188 TrackDefinition = (*generatedKine << 189 << 190 if (TrackDefinition->IsShortLived()) << 191 { << 192 G4double NewTrackMass = << 193 BrW.SampleMass( TrackDefiniti << 194 BrW.GetMinimu << 195 TrackDefiniti << 196 G4LorentzVector Tmp=G4LorentzVe << 197 Tmp.setE(std::sqrt(sqr(NewTrack << 198 << 199 (*generatedKineticTracks)[aTrac << 200 << 201 #ifdef debug_G4ExcitedStringDec << 202 G4cout<<"Resonance *** "<<aTrac << 203 <<(*generatedKineticTrack << 204 <<(*generatedKineticTrack << 205 <<(*generatedKineticTrack << 206 #endif << 207 } << 208 //------------------------------- << 209 << 210 theResult->push_back(generatedKin 127 theResult->push_back(generatedKineticTracks->operator[](aTrack)); 211 KTsum1+= (*generatedKineticTracks 128 KTsum1+= (*generatedKineticTracks)[aTrack]->Get4Momentum(); 212 } 129 } 213 KTsecondaries+=KTsum1; 130 KTsecondaries+=KTsum1; 214 131 215 #ifdef debug_G4ExcitedStringDecay << 132 //--debug--G4cout << "String secondaries(" <<generatedKineticTracks->size()<< ") momentum: " 216 G4cout << "String secondaries(" <<ge << 133 //--debug--<< theStrings->operator[](astring)->Get4Momentum() << " " << KTsum1 << G4endl; 217 <<"Init string momentum: "< << 134 if ( KTsum1.e() > 0 && std::abs((KTsum1.e()-theStrings->operator[](astring)->Get4Momentum().e()) / KTsum1.e()) > perMillion ) 218 <<"Final hadrons momentum: "< << 219 #endif << 220 << 221 if ( KTsum1.e() > 0 && << 222 std::abs((KTsum1.e()-theString << 223 { 135 { >> 136 //--debug-- G4cout << "String secondaries(" <<generatedKineticTracks->size()<< ") momentum: " >> 137 //--debug-- << theStrings->operator[](astring)->Get4Momentum() << " " << KTsum1 << G4endl; 224 NeedEnergyCorrector=true; 138 NeedEnergyCorrector=true; 225 } 139 } 226 140 227 #ifdef debug_G4ExcitedStringDecay << 141 // clean up 228 G4cout<<"NeedEnergyCorrection yes/no << 229 #endif << 230 << 231 // clean up << 232 delete generatedKineticTracks; 142 delete generatedKineticTracks; 233 success=true; << 234 } 143 } >> 144 //--debug G4cout << "Initial Strings / secondaries total 4 momentum " << KTsum << " " <<KTsecondaries << G4endl; 235 145 >> 146 success=true; >> 147 //G4cout<<"success "<<success<<G4endl; 236 if ( NeedEnergyCorrector ) success=EnergyAnd 148 if ( NeedEnergyCorrector ) success=EnergyAndMomentumCorrector(theResult, KTsum); 237 } while (!success && (attempts < 100)); /* << 149 //G4cout<<"success after Ecorr "<<success<<G4endl; 238 << 150 } while(!success && (attempts < 10)); // It was 100 !!! Uzhi 239 for ( unsigned int aTrack=0; aTrack<theResul << 151 //G4cout<<"End frag string"<<G4endl; 240 { << 241 Ptmp=(*theResult)[aTrack]->Get4Momentum(); << 242 Ptmp.transform( toLab); << 243 (*theResult)[aTrack]->Set4Momentum(Ptmp); << 244 } << 245 << 246 #ifdef debug_G4ExcitedStringDecay << 247 G4cout<<"End of the strings fragmentation (G << 248 << 249 G4LorentzVector KTsum1(0.,0.,0.,0.); << 250 152 >> 153 #ifdef debug_ExcitedStringDecay >> 154 G4LorentzVector KTsum1=0; 251 for ( unsigned int aTrack=0; aTrack<theResul 155 for ( unsigned int aTrack=0; aTrack<theResult->size();aTrack++) 252 { 156 { 253 G4cout << " corrected tracks .. " << (*t 157 G4cout << " corrected tracks .. " << (*theResult)[aTrack]->GetDefinition()->GetParticleName() 254 <<" " << (*theResult)[aTrack]->Get4Mome << 158 <<" " << (*theResult)[aTrack]->Get4Momentum() << G4endl; 255 <<" " << (*theResult)[aTrack]->Get4Mome << 256 KTsum1+= (*theResult)[aTrack]->Get4Momen 159 KTsum1+= (*theResult)[aTrack]->Get4Momentum(); 257 } 160 } 258 161 259 G4cout << "Needcorrector/success " << NeedEn << 162 G4cout << "Needcorrector/success " << NeedEnergyCorrector << "/" << success << ", Corrected total 4 momentum " << KTsum1 << G4endl; 260 << ", Corrected total 4 momentum " < << 261 if ( ! success ) G4cout << "failed to correc 163 if ( ! success ) G4cout << "failed to correct E/p" << G4endl; >> 164 #endif 262 165 263 G4cout<<"End of the Hadronization (G4Excited << 264 #endif << 265 << 266 if (!success) << 267 { << 268 if (theResult->size() != 0) << 269 { << 270 std::for_each(theResult->begin() , theRe << 271 theResult->clear(); << 272 delete theResult; theResult=0; << 273 } << 274 for ( unsigned int astring=0; astring < th << 275 // for ( unsigned int astring=0; astring < << 276 { << 277 if ( theStrings->operator[](astring)->Is << 278 { << 279 Ptmp=theStrings->operator[](astring)-> << 280 Ptmp.transform( toLab); << 281 theStrings->operator[](astring)->GetLe << 282 << 283 Ptmp=theStrings->operator[](astring)-> << 284 Ptmp.transform( toLab); << 285 theStrings->operator[](astring)->GetRi << 286 } << 287 else << 288 { << 289 Ptmp=theStrings->operator[](astring)-> << 290 Ptmp.transform( toLab); << 291 theStrings->operator[](astring)->GetKi << 292 } << 293 } << 294 } << 295 return theResult; 166 return theResult; 296 } 167 } 297 168 298 << 169 G4bool G4ExcitedStringDecay::EnergyAndMomentumCorrector 299 G4bool G4ExcitedStringDecay:: << 170 (G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom) 300 EnergyAndMomentumCorrector(G4KineticTrackVecto << 171 { 301 { << 302 const int nAttemptScale = 500; 172 const int nAttemptScale = 500; 303 const double ErrLimit = 1.E-5; 173 const double ErrLimit = 1.E-5; 304 if (Output->empty()) return TRUE; << 174 if (Output->empty()) >> 175 return TRUE; 305 G4LorentzVector SumMom; 176 G4LorentzVector SumMom; 306 G4double SumMass = 0; << 177 G4double SumMass = 0; 307 G4double TotalCollisionMass = Total 178 G4double TotalCollisionMass = TotalCollisionMom.m(); 308 179 309 std::vector<G4double> HadronMass; G4double << 180 //G4cout<<G4endl<<"EnergyAndMomentumCorrector "<<Output->size()<<G4endl; 310 << 311 #ifdef debug_G4ExcitedStringCorr << 312 G4cout<<G4endl<<"EnergyAndMomentumCorrecto << 313 #endif << 314 // Calculate sum hadron 4-momenta and summ 181 // Calculate sum hadron 4-momenta and summing hadron mass 315 unsigned int cHadron; 182 unsigned int cHadron; 316 for (cHadron = 0; cHadron < Output->size() << 183 for(cHadron = 0; cHadron < Output->size(); cHadron++) 317 { 184 { 318 SumMom += Output->operator[](cHadron) 185 SumMom += Output->operator[](cHadron)->Get4Momentum(); 319 HadronM=Output->operator[](cHadron)->G << 186 SumMass += Output->operator[](cHadron)->GetDefinition()->GetPDGMass(); 320 SumMass += Output->operator[](cHadron) << 321 } 187 } 322 188 323 #ifdef debug_G4ExcitedStringCorr << 189 //G4cout<<"SumMass TotalCollisionMass "<<SumMass<<" "<<TotalCollisionMass<<G4endl; 324 G4cout<<"Sum part mom "<<SumMom<<" "<<SumM << 325 <<"Sum str mom "<<TotalCollisionMom << 326 G4cout<<"SumMass TotalCollisionMass "<<Sum << 327 #endif << 328 190 329 // Cannot correct a single particle 191 // Cannot correct a single particle 330 if (Output->size() < 2) return FALSE; 192 if (Output->size() < 2) return FALSE; 331 193 332 if (SumMass > TotalCollisionMass) return F 194 if (SumMass > TotalCollisionMass) return FALSE; 333 SumMass = SumMom.m2(); 195 SumMass = SumMom.m2(); 334 if (SumMass < 0) return FALSE; 196 if (SumMass < 0) return FALSE; 335 SumMass = std::sqrt(SumMass); 197 SumMass = std::sqrt(SumMass); 336 198 337 // Compute c.m.s. hadron velocity and boos << 199 // Compute c.m.s. hadron velocity and boost KTV to hadron c.m.s. 338 // G4ThreeVector Beta = -SumMom.boostVecto << 200 G4ThreeVector Beta = -SumMom.boostVector(); 339 G4ThreeVector Beta = -TotalCollisionMom.bo << 340 Output->Boost(Beta); 201 Output->Boost(Beta); 341 202 342 // Scale total c.m.s. hadron energy (hadro 203 // Scale total c.m.s. hadron energy (hadron system mass). 343 // It should be equal interaction mass 204 // It should be equal interaction mass 344 G4double Scale = 1; 205 G4double Scale = 1; 345 G4int cAttempt = 0; 206 G4int cAttempt = 0; 346 G4double Sum = 0; 207 G4double Sum = 0; 347 G4bool success = false; 208 G4bool success = false; 348 for (cAttempt = 0; cAttempt < nAttemptScal << 209 for(cAttempt = 0; cAttempt < nAttemptScale; cAttempt++) 349 { 210 { 350 Sum = 0; 211 Sum = 0; 351 for (cHadron = 0; cHadron < Output->size << 212 for(cHadron = 0; cHadron < Output->size(); cHadron++) 352 { 213 { 353 HadronM = HadronMass.at(cHadron); << 354 G4LorentzVector HadronMom = Output->op 214 G4LorentzVector HadronMom = Output->operator[](cHadron)->Get4Momentum(); 355 HadronMom.setVect(Scale*HadronMom.vect 215 HadronMom.setVect(Scale*HadronMom.vect()); 356 G4double E = std::sqrt(HadronMom.vect( << 216 G4double E = std::sqrt(HadronMom.vect().mag2() + sqr(Output->operator[](cHadron)->GetDefinition()->GetPDGMass())); 357 << 358 HadronMom.setE(E); 217 HadronMom.setE(E); 359 Output->operator[](cHadron)->Set4Momen 218 Output->operator[](cHadron)->Set4Momentum(HadronMom); 360 Sum += E; 219 Sum += E; 361 } 220 } 362 Scale = TotalCollisionMass/Sum; << 221 Scale = TotalCollisionMass/Sum; 363 #ifdef debug_G4ExcitedStringCorr << 222 #ifdef debug_G4ExcitedStringDecay 364 G4cout << "Scale-1=" << Scale -1 223 G4cout << "Scale-1=" << Scale -1 365 << ", TotalCollisionMass=" << To << 224 << ", TotalCollisionMass=" << TotalCollisionMass 366 << ", Sum=" << Sum << 225 << ", Sum=" << Sum 367 << G4endl; << 226 << G4endl; 368 #endif << 227 #endif 369 if (std::fabs(Scale - 1) <= ErrLimit) 228 if (std::fabs(Scale - 1) <= ErrLimit) 370 { 229 { 371 success = true; 230 success = true; 372 break; 231 break; 373 } 232 } 374 } 233 } 375 << 234 #ifdef debug_G4ExcitedStringDecay 376 #ifdef debug_G4ExcitedStringCorr << 235 if(!success) 377 if (!success) << 378 { 236 { 379 G4cout << "G4ExcitedStringDecay::EnergyA 237 G4cout << "G4ExcitedStringDecay::EnergyAndMomentumCorrector - Warning"<<G4endl; 380 G4cout << " Scale not unity at end of 238 G4cout << " Scale not unity at end of iteration loop: "<<TotalCollisionMass<<" "<<Sum<<" "<<Scale<<G4endl; 381 G4cout << " Number of secondaries: " < 239 G4cout << " Number of secondaries: " << Output->size() << G4endl; 382 G4cout << " Wanted total energy: " << 240 G4cout << " Wanted total energy: " << TotalCollisionMom.e() << G4endl; 383 G4cout << " Increase number of attempt 241 G4cout << " Increase number of attempts or increase ERRLIMIT"<<G4endl; 384 // throw G4HadronicException(__FILE__, _ << 242 // throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay failed to correct..."); 385 } 243 } 386 #endif << 244 #endif 387 << 388 // Compute c.m.s. interaction velocity and 245 // Compute c.m.s. interaction velocity and KTV back boost 389 Beta = TotalCollisionMom.boostVector(); 246 Beta = TotalCollisionMom.boostVector(); 390 Output->Boost(Beta); 247 Output->Boost(Beta); 391 248 392 return success; 249 return success; 393 } << 250 } 394 << 395 251