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1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // $Id: G4ANuMuNucleusCcModel.cc 91806 2015-08 27 // 28 // Geant4 Header : G4ANuMuNucleusCcModel 29 // 30 // Author : V.Grichine 12.2.19 31 // 32 33 #include <iostream> 34 #include <fstream> 35 #include <sstream> 36 37 #include "G4ANuMuNucleusCcModel.hh" 38 // #include "G4NuMuNuclCcDistrKR.hh" 39 40 // #include "G4NuMuResQX.hh" 41 42 #include "G4SystemOfUnits.hh" 43 #include "G4ParticleTable.hh" 44 #include "G4ParticleDefinition.hh" 45 #include "G4IonTable.hh" 46 #include "Randomize.hh" 47 #include "G4RandomDirection.hh" 48 // #include "G4Threading.hh" 49 50 // #include "G4Integrator.hh" 51 #include "G4DataVector.hh" 52 #include "G4PhysicsTable.hh" 53 /* 54 #include "G4CascadeInterface.hh" 55 // #include "G4BinaryCascade.hh" 56 #include "G4TheoFSGenerator.hh" 57 #include "G4LundStringFragmentation.hh" 58 #include "G4ExcitedStringDecay.hh" 59 #include "G4FTFModel.hh" 60 // #include "G4BinaryCascade.hh" 61 #include "G4HadFinalState.hh" 62 #include "G4HadSecondary.hh" 63 #include "G4HadronicInteractionRegistry.hh" 64 // #include "G4INCLXXInterface.hh" 65 #include "G4QGSModel.hh" 66 #include "G4QGSMFragmentation.hh" 67 #include "G4QGSParticipants.hh" 68 */ 69 #include "G4KineticTrack.hh" 70 #include "G4DecayKineticTracks.hh" 71 #include "G4KineticTrackVector.hh" 72 #include "G4Fragment.hh" 73 #include "G4NucleiProperties.hh" 74 #include "G4ReactionProductVector.hh" 75 76 #include "G4GeneratorPrecompoundInterface.hh" 77 #include "G4PreCompoundModel.hh" 78 #include "G4ExcitationHandler.hh" 79 80 81 // #include "G4MuonMinus.hh" 82 #include "G4MuonPlus.hh" 83 #include "G4Nucleus.hh" 84 #include "G4LorentzVector.hh" 85 86 using namespace std; 87 using namespace CLHEP; 88 89 #ifdef G4MULTITHREADED 90 G4Mutex G4ANuMuNucleusCcModel::numuNucleus 91 #endif 92 93 94 G4ANuMuNucleusCcModel::G4ANuMuNucleusCcModel(c 95 : G4NeutrinoNucleusModel(name) 96 { 97 fData = fMaster = false; 98 InitialiseModel(); 99 } 100 101 102 G4ANuMuNucleusCcModel::~G4ANuMuNucleusCcModel( 103 {} 104 105 106 void G4ANuMuNucleusCcModel::ModelDescription(s 107 { 108 109 outFile << "G4ANuMuNucleusCcModel is a neu 110 << "model which uses the standard 111 << "transfer parameterization. Th 112 113 } 114 115 ////////////////////////////////////////////// 116 // 117 // Read data from G4PARTICLEXSDATA (locally PA 118 119 void G4ANuMuNucleusCcModel::InitialiseModel() 120 { 121 G4String pName = "anti_nu_mu"; 122 123 G4int nSize(0), i(0), j(0), k(0); 124 125 if(!fData) 126 { 127 #ifdef G4MULTITHREADED 128 G4MUTEXLOCK(&numuNucleusModel); 129 if(!fData) 130 { 131 #endif 132 fMaster = true; 133 #ifdef G4MULTITHREADED 134 } 135 G4MUTEXUNLOCK(&numuNucleusModel); 136 #endif 137 } 138 139 if(fMaster) 140 { 141 const char* path = G4FindDataDir("G4PARTIC 142 std::ostringstream ost1, ost2, ost3, ost4; 143 ost1 << path << "/" << "neutrino" << "/" < 144 145 std::ifstream filein1( ost1.str().c_str() 146 147 // filein.open("$PARTICLEXSDATA/"); 148 149 filein1>>nSize; 150 151 for( k = 0; k < fNbin; ++k ) 152 { 153 for( i = 0; i <= fNbin; ++i ) 154 { 155 filein1 >> fNuMuXarrayKR[k][i]; 156 // G4cout<< fNuMuXarrayKR[k][i] << " 157 } 158 } 159 // G4cout<<G4endl<<G4endl; 160 161 ost2 << path << "/" << "neutrino" << "/" < 162 std::ifstream filein2( ost2.str().c_str() 163 164 filein2>>nSize; 165 166 for( k = 0; k < fNbin; ++k ) 167 { 168 for( i = 0; i < fNbin; ++i ) 169 { 170 filein2 >> fNuMuXdistrKR[k][i]; 171 // G4cout<< fNuMuXdistrKR[k][i] << " 172 } 173 } 174 // G4cout<<G4endl<<G4endl; 175 176 ost3 << path << "/" << "neutrino" << "/" < 177 std::ifstream filein3( ost3.str().c_str() 178 179 filein3>>nSize; 180 181 for( k = 0; k < fNbin; ++k ) 182 { 183 for( i = 0; i <= fNbin; ++i ) 184 { 185 for( j = 0; j <= fNbin; ++j ) 186 { 187 filein3 >> fNuMuQarrayKR[k][i][j]; 188 // G4cout<< fNuMuQarrayKR[k][i][j] < 189 } 190 } 191 } 192 // G4cout<<G4endl<<G4endl; 193 194 ost4 << path << "/" << "neutrino" << "/" < 195 std::ifstream filein4( ost4.str().c_str() 196 197 filein4>>nSize; 198 199 for( k = 0; k < fNbin; ++k ) 200 { 201 for( i = 0; i <= fNbin; ++i ) 202 { 203 for( j = 0; j < fNbin; ++j ) 204 { 205 filein4 >> fNuMuQdistrKR[k][i][j]; 206 // G4cout<< fNuMuQdistrKR[k][i][j] < 207 } 208 } 209 } 210 fData = true; 211 } 212 } 213 214 ////////////////////////////////////////////// 215 216 G4bool G4ANuMuNucleusCcModel::IsApplicable(con 217 G4Nucleus & ) 218 { 219 G4bool result = false; 220 G4String pName = aPart.GetDefinition()->GetP 221 G4double energy = aPart.GetTotalEnergy(); 222 223 if( pName == "anti_nu_mu" 224 && 225 energy > fMinNuEnergy 226 { 227 result = true; 228 } 229 230 return result; 231 } 232 233 /////////////////////////////////////////// Cl 234 // 235 // 236 237 G4HadFinalState* G4ANuMuNucleusCcModel::ApplyY 238 const G4HadProjectile& aTrack, G4Nucleus& 239 { 240 theParticleChange.Clear(); 241 fProton = f2p2h = fBreak = false; 242 fCascade = fString = false; 243 fLVh = fLVl = fLVt = fLVcpi = G4LorentzVecto 244 245 const G4HadProjectile* aParticle = &aTrack; 246 G4double energy = aParticle->GetTotalEnergy( 247 248 G4String pName = aParticle->GetDefinition() 249 250 if( energy < fMinNuEnergy ) 251 { 252 theParticleChange.SetEnergyChange(energy); 253 theParticleChange.SetMomentumChange(aTrack 254 return &theParticleChange; 255 } 256 257 SampleLVkr( aTrack, targetNucleus); 258 259 if( fBreak == true || fEmu < fMu ) // ~5*10^ 260 { 261 // G4cout<<"ni, "; 262 theParticleChange.SetEnergyChange(energy); 263 theParticleChange.SetMomentumChange(aTrack 264 return &theParticleChange; 265 } 266 267 // LVs of initial state 268 269 G4LorentzVector lvp1 = aParticle->Get4Moment 270 G4LorentzVector lvt1( 0., 0., 0., fM1 ); 271 G4double mPip = G4ParticleTable::GetParticle 272 273 // 1-pi by fQtransfer && nu-energy 274 G4LorentzVector lvpip1( 0., 0., 0., mPip ); 275 G4LorentzVector lvsum, lv2, lvX; 276 G4ThreeVector eP; 277 G4double cost(1.), sint(0.), phi(0.), muMom( 278 G4DynamicParticle* aLept = nullptr; // lepto 279 280 G4int Z = targetNucleus.GetZ_asInt(); 281 G4int A = targetNucleus.GetA_asInt(); 282 G4double mTarg = targetNucleus.AtomicMass(A 283 G4int pdgP(0), qB(0); 284 // G4double mSum = G4ParticleTable::GetParti 285 286 G4int iPi = GetOnePionIndex(energy); 287 G4double p1pi = GetNuMuOnePionProb( iPi, ene 288 289 if( p1pi > G4UniformRand() && fCosTheta > 0 290 { 291 // lvsum = lvp1 + lvpip1; 292 lvsum = lvp1 + lvt1; 293 // cost = fCosThetaPi; 294 cost = fCosTheta; 295 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 296 phi = G4UniformRand()*CLHEP::twopi; 297 eP = G4ThreeVector( sint*std::cos(phi), 298 299 // muMom = sqrt(fEmuPi*fEmuPi-fMu*fMu); 300 muMom = sqrt(fEmu*fEmu-fMu*fMu); 301 302 eP *= muMom; 303 304 // lv2 = G4LorentzVector( eP, fEmuPi ); 305 // lv2 = G4LorentzVector( eP, fEmu ); 306 lv2 = fLVl; 307 308 // lvX = lvsum - lv2; 309 lvX = fLVh; 310 massX2 = lvX.m2(); 311 massX = lvX.m(); 312 massR = fLVt.m(); 313 314 if ( massX2 <= 0. ) // vmg: very rarely ~ 315 { 316 fCascade = true; 317 theParticleChange.SetEnergyChange(energy 318 theParticleChange.SetMomentumChange(aTra 319 return &theParticleChange; 320 } 321 fW2 = massX2; 322 323 if( pName == "anti_nu_mu") aLept = new G4D 324 else 325 { 326 theParticleChange.SetEnergyChange(energy 327 theParticleChange.SetMomentumChange(aTra 328 return &theParticleChange; 329 } 330 if( pName == "anti_nu_mu" ) pdgP = -211; 331 // else pdgP = -211; 332 // eCut = fMpi + 0.5*(fMpi*fMpi-massX2)/mT 333 334 if( A > 1 ) 335 { 336 eCut = (fMpi + mTarg)*(fMpi + mTarg) - ( 337 eCut /= 2.*massR; 338 eCut += massX; 339 } 340 else eCut = fM1 + fMpi; 341 342 if ( lvX.e() > eCut ) // && sqrt( GetW2() 343 { 344 CoherentPion( lvX, pdgP, targetNucleus); 345 } 346 else 347 { 348 fCascade = true; 349 theParticleChange.SetEnergyChange(energy 350 theParticleChange.SetMomentumChange(aTra 351 return &theParticleChange; 352 } 353 theParticleChange.AddSecondary( aLept, fSe 354 355 return &theParticleChange; 356 } 357 else // lepton part in lab 358 { 359 lvsum = lvp1 + lvt1; 360 cost = fCosTheta; 361 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 362 phi = G4UniformRand()*CLHEP::twopi; 363 eP = G4ThreeVector( sint*std::cos(phi), 364 365 muMom = sqrt(fEmu*fEmu-fMu*fMu); 366 367 eP *= muMom; 368 369 lv2 = G4LorentzVector( eP, fEmu ); 370 lv2 = fLVl; 371 lvX = lvsum - lv2; 372 lvX = fLVh; 373 massX2 = lvX.m2(); 374 375 if ( massX2 <= 0. ) // vmg: very rarely ~ 376 { 377 fCascade = true; 378 theParticleChange.SetEnergyChange(energy 379 theParticleChange.SetMomentumChange(aTra 380 return &theParticleChange; 381 } 382 fW2 = massX2; 383 384 if( pName == "anti_nu_mu") aLept = new G4D 385 else 386 { 387 theParticleChange.SetEnergyChange(energy 388 theParticleChange.SetMomentumChange(aTra 389 return &theParticleChange; 390 } 391 theParticleChange.AddSecondary( aLept, fSe 392 } 393 394 // hadron part 395 396 fRecoil = nullptr; 397 398 if( A == 1 ) 399 { 400 if( pName == "anti_nu_mu" ) qB = 2; 401 // else qB = 0; 402 403 // if( G4UniformRand() > 0.1 ) // > 0.999 404 { 405 ClusterDecay( lvX, qB ); 406 } 407 return &theParticleChange; 408 } 409 /* 410 // else 411 { 412 if( pName == "nu_mu" ) pdgP = 211; 413 else pdgP = -211; 414 415 416 if ( fQtransfer < 0.95*GeV ) // < 0.35*G 417 { 418 if( lvX.m() > mSum ) CoherentPion( lvX, pdgP 419 } 420 } 421 return &theParticleChange; 422 } 423 */ 424 G4Nucleus recoil; 425 G4double ratio = G4double(Z)/G4double(A); 426 427 if( ratio > G4UniformRand() ) // proton is e 428 { 429 fProton = true; 430 recoil = G4Nucleus(A-1,Z-1); 431 fRecoil = &recoil; 432 if( pName == "anti_nu_mu" ) // (0) state - 433 { 434 fMt = G4ParticleTable::GetParticleTable( 435 + G4ParticleTable::GetParticleTable( 436 } 437 else // (0) state -> p + pi-, n + pi0 438 { 439 // fMt = G4ParticleTable::GetParticleTab 440 // + G4ParticleTable::GetParticleTab 441 } 442 } 443 else // excited neutron 444 { 445 fProton = false; 446 recoil = G4Nucleus(A-1,Z); 447 fRecoil = &recoil; 448 if( pName == "anti_nu_mu" ) // (+) state - 449 { 450 fMt = G4ParticleTable::GetParticleTable( 451 + G4ParticleTable::GetParticleTable( 452 } 453 else // (-) state -> n + pi-, // n + pi0 454 { 455 // fMt = G4ParticleTable::GetParticleTab 456 // + G4ParticleTable::GetParticleTab 457 } 458 } 459 // G4int index = GetEnergyIndex(energy 460 G4int nepdg = aParticle->GetDefinition()->Ge 461 462 G4double qeTotRat; // = GetNuMuQeTotRat(inde 463 qeTotRat = CalculateQEratioA( Z, A, energy, 464 465 G4ThreeVector dX = (lvX.vect()).unit(); 466 G4double eX = lvX.e(); // excited nucleon 467 G4double mX = sqrt(massX2); 468 // G4double pX = sqrt( eX*eX - mX*mX ); 469 // G4double sumE = eX + rM; 470 471 if( qeTotRat > G4UniformRand() || mX <= fMt 472 { 473 fString = false; 474 475 G4double rM; 476 if( fProton ) 477 { 478 fPDGencoding = 2212; 479 fMr = proton_mass_c2; 480 recoil = G4Nucleus(A-1,Z-1); 481 fRecoil = &recoil; 482 rM = recoil.AtomicMass(A-1,Z-1); 483 } 484 else // if( pName == "anti_nu_mu" ) 485 { 486 fPDGencoding = 2112; 487 fMr = G4ParticleTable::GetParticleTabl 488 FindParticle(fPDGencoding)->GetPDGMass(); // 489 recoil = G4Nucleus(A-1,Z); 490 fRecoil = &recoil; 491 rM = recoil.AtomicMass(A-1,Z); 492 } 493 // sumE = eX + rM; 494 G4double eTh = fMr + 0.5*(fMr*fMr - mX*mX) 495 496 if( eX <= eTh ) // vmg, very rarely out of 497 { 498 fString = true; 499 theParticleChange.SetEnergyChange(energy 500 theParticleChange.SetMomentumChange(aTra 501 return &theParticleChange; 502 } 503 // FinalBarion( fLVh, 0, fPDGencoding ); / 504 FinalBarion( lvX, 0, fPDGencoding ); // p( 505 } 506 else // if ( eX < 9500000.*GeV ) // < 25.*G 507 { 508 if ( fProton && pName == "anti_nu_mu" 509 else if( !fProton && pName == "anti_nu_mu" 510 511 ClusterDecay( lvX, qB ); 512 } 513 return &theParticleChange; 514 } 515 516 517 ////////////////////////////////////////////// 518 ////////////////////////////////////////////// 519 ////////////////////////////////////////////// 520 521 ////////////////////////////////////////////// 522 // 523 // sample x, then Q2 524 525 void G4ANuMuNucleusCcModel::SampleLVkr(const G 526 { 527 fBreak = false; 528 G4int A = targetNucleus.GetA_asInt(), iTer(0 529 G4int Z = targetNucleus.GetZ_asInt(); 530 G4double e3(0.), pMu2(0.), pX2(0.), nMom(0.) 531 G4double Ex(0.), ei(0.), nm2(0.); 532 G4double cost(1.), sint(0.), phi(0.), muMom( 533 G4ThreeVector eP, bst; 534 const G4HadProjectile* aParticle = &aTrack; 535 G4LorentzVector lvp1 = aParticle->Get4Moment 536 537 if( A == 1 ) // hydrogen, no Fermi motion ?? 538 { 539 fNuEnergy = aParticle->GetTotalEnergy(); 540 iTer = 0; 541 542 do 543 { 544 fXsample = SampleXkr(fNuEnergy); 545 fQtransfer = SampleQkr(fNuEnergy, fXsamp 546 fQ2 = fQtransfer*fQtransfer; 547 548 if( fXsample > 0. ) 549 { 550 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // 551 fEmu = fNuEnergy - fQ2/2./fM1/fXsample 552 } 553 else 554 { 555 fW2 = fM1*fM1; 556 fEmu = fNuEnergy; 557 } 558 e3 = fNuEnergy + fM1 - fEmu; 559 560 if( e3 < sqrt(fW2) ) G4cout<<"energyX = 561 562 pMu2 = fEmu*fEmu - fMu*fMu; 563 564 if(pMu2 < 0.) { fBreak = true; return; } 565 566 pX2 = e3*e3 - fW2; 567 568 fCosTheta = fNuEnergy*fNuEnergy + pMu2 569 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2); 570 iTer++; 571 } 572 while( ( abs(fCosTheta) > 1. || fEmu < fMu 573 574 if( iTer >= iTerMax ) { fBreak = true; ret 575 576 if( abs(fCosTheta) > 1.) // vmg: due to bi 577 { 578 G4cout<<"H2: fCosTheta = "<<fCosTheta<<" 579 // fCosTheta = -1. + 2.*G4UniformRand(); 580 if(fCosTheta < -1.) fCosTheta = -1.; 581 if(fCosTheta > 1.) fCosTheta = 1.; 582 } 583 // LVs 584 585 G4LorentzVector lvt1 = G4LorentzVector( 0 586 G4LorentzVector lvsum = lvp1 + lvt1; 587 588 cost = fCosTheta; 589 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 590 phi = G4UniformRand()*CLHEP::twopi; 591 eP = G4ThreeVector( sint*std::cos(phi), 592 muMom = sqrt(fEmu*fEmu-fMu*fMu); 593 eP *= muMom; 594 fLVl = G4LorentzVector( eP, fEmu ); 595 596 fLVh = lvsum - fLVl; 597 fLVt = G4LorentzVector( 0., 0., 0., 0. ); 598 } 599 else // Fermi motion, Q2 in nucleon rest fra 600 { 601 G4Nucleus recoil1( A-1, Z ); 602 rM = recoil1.AtomicMass(A-1,Z); 603 do 604 { 605 // nMom = NucleonMomentumBR( targetNucle 606 nMom = GgSampleNM( targetNucleus ); // G 607 Ex = GetEx(A-1, fProton); 608 ei = tM - sqrt( (rM + Ex)*(rM + Ex) + nM 609 // ei = 0.5*( tM - s2M - 2*eX ); 610 611 nm2 = ei*ei - nMom*nMom; 612 iTer++; 613 } 614 while( nm2 < 0. && iTer < iTerMax ); 615 616 if( iTer >= iTerMax ) { fBreak = true; ret 617 618 G4ThreeVector nMomDir = nMom*G4RandomDirec 619 620 if( !f2p2h || A < 3 ) // 1p1h 621 { 622 // hM = tM - rM; 623 624 fLVt = G4LorentzVector( -nMomDir, sqrt( 625 fLVh = G4LorentzVector( nMomDir, ei ); 626 } 627 else // 2p2h 628 { 629 G4Nucleus recoil(A-2,Z-1); 630 rM = recoil.AtomicMass(A-2,Z-1)+sqrt(nMo 631 hM = tM - rM; 632 633 fLVt = G4LorentzVector( nMomDir, sqrt( r 634 fLVh = G4LorentzVector(-nMomDir, sqrt( h 635 } 636 // G4cout<<hM<<", "; 637 // bst = fLVh.boostVector(); 638 639 // lvp1.boost(-bst); // -> nucleon rest sy 640 641 fNuEnergy = lvp1.e(); 642 // G4double mN = fLVh.m(); // better mN = 643 iTer = 0; 644 645 do // no FM!?, 5.4.20 vmg 646 { 647 fXsample = SampleXkr(fNuEnergy); 648 fQtransfer = SampleQkr(fNuEnergy, fXsamp 649 fQ2 = fQtransfer*fQtransfer; 650 651 // G4double mR = mN + fM1*(A-1.)*std::ex 652 653 if( fXsample > 0. ) 654 { 655 fW2 = fM1*fM1 - fQ2 + fQ2/fXsample; // 656 657 // fW2 = mN*mN - fQ2 + fQ2/fXsample; / 658 // fEmu = fNuEnergy - fQ2/2./mR/fXsamp 659 660 fEmu = fNuEnergy - fQ2/2./fM1/fXsample 661 } 662 else 663 { 664 // fW2 = mN*mN; 665 666 fW2 = fM1*fM1; 667 fEmu = fNuEnergy; 668 } 669 // if(fEmu < 0.) G4cout<<"fEmu = "<<fEmu 670 // e3 = fNuEnergy + mR - fEmu; 671 672 e3 = fNuEnergy + fM1 - fEmu; 673 674 // if( e3 < sqrt(fW2) ) G4cout<<"energy 675 676 pMu2 = fEmu*fEmu - fMu*fMu; 677 pX2 = e3*e3 - fW2; 678 679 if(pMu2 < 0.) { fBreak = true; return; } 680 681 fCosTheta = fNuEnergy*fNuEnergy + pMu2 682 fCosTheta /= 2.*fNuEnergy*sqrt(pMu2); 683 iTer++; 684 } 685 while( ( abs(fCosTheta) > 1. || fEmu < fMu 686 687 if( iTer >= iTerMax ) { fBreak = true; ret 688 689 if( abs(fCosTheta) > 1.) // vmg: due to bi 690 { 691 G4cout<<"FM: fCosTheta = "<<fCosTheta<<" 692 // fCosTheta = -1. + 2.*G4UniformRand(); 693 if( fCosTheta < -1.) fCosTheta = -1.; 694 if( fCosTheta > 1.) fCosTheta = 1.; 695 } 696 // LVs 697 // G4LorentzVector lvt1 = G4LorentzVector 698 699 G4LorentzVector lvt1 = G4LorentzVector( 0 700 G4LorentzVector lvsum = lvp1 + lvt1; 701 702 cost = fCosTheta; 703 sint = std::sqrt( (1.0 - cost)*(1.0 + cost 704 phi = G4UniformRand()*CLHEP::twopi; 705 eP = G4ThreeVector( sint*std::cos(phi), 706 muMom = sqrt(fEmu*fEmu-fMu*fMu); 707 eP *= muMom; 708 fLVl = G4LorentzVector( eP, fEmu ); 709 fLVh = lvsum - fLVl; 710 711 // if( fLVh.e() < mN || fLVh.m2() < 0.) { 712 713 if( fLVh.e() < fM1 || fLVh.m2() < 0.) { fB 714 715 // back to lab system 716 717 // fLVl.boost(bst); 718 // fLVh.boost(bst); 719 } 720 //G4cout<<iTer<<", "<<fBreak<<"; "; 721 } 722 723 // 724 // 725 /////////////////////////// 726