Geant4 Cross Reference |
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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 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model 27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France 28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium 29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France 30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland 31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France 33 // 33 // 34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1 35 35 36 #include "globals.hh" 36 #include "globals.hh" 37 37 38 #include "G4INCLPauliGlobal.hh" 38 #include "G4INCLPauliGlobal.hh" 39 #include "G4INCLRandom.hh" 39 #include "G4INCLRandom.hh" 40 40 41 namespace G4INCL { 41 namespace G4INCL { 42 42 43 PauliGlobal::PauliGlobal() {} 43 PauliGlobal::PauliGlobal() {} 44 PauliGlobal::~PauliGlobal() {} 44 PauliGlobal::~PauliGlobal() {} 45 45 46 G4bool PauliGlobal::isBlocked(ParticleList c 46 G4bool PauliGlobal::isBlocked(ParticleList const &pL, Nucleus const * const n) { 47 for(ParticleIter p=pL.begin(), e=pL.end(); 47 for(ParticleIter p=pL.begin(), e=pL.end(); p!=e; ++p) { 48 // Pauli blocking only applies to nucleo 48 // Pauli blocking only applies to nucleons 49 if(!(*p)->isNucleon()) continue; 49 if(!(*p)->isNucleon()) continue; 50 50 51 // If the particle is above T_F, it is n 51 // If the particle is above T_F, it is never blocked 52 const ParticleType t = (*p)->getType(); 52 const ParticleType t = (*p)->getType(); 53 const G4double pFermi = n->getPotential( 53 const G4double pFermi = n->getPotential()->getFermiMomentum(t); 54 const G4double pFermiSquared = pFermi*pF 54 const G4double pFermiSquared = pFermi*pFermi; 55 if((*p)->getMomentum().mag2() > pFermiSq 55 if((*p)->getMomentum().mag2() > pFermiSquared) continue; 56 56 57 // Count particles of the same type as p 57 // Count particles of the same type as p below the Fermi sea 58 ParticleList const &particles = n->getSt 58 ParticleList const &particles = n->getStore()->getParticles(); 59 G4int nSea = 0; 59 G4int nSea = 0; 60 for(ParticleIter i=particles.begin(), en 60 for(ParticleIter i=particles.begin(), end=particles.end(); i!=end; ++i) { 61 if((*i)->getType() != t) continue; 61 if((*i)->getType() != t) continue; 62 const G4double pmod2 = (*i)->getMoment 62 const G4double pmod2 = (*i)->getMomentum().mag2(); 63 if(pmod2<pFermiSquared) nSea++; 63 if(pmod2<pFermiSquared) nSea++; 64 } 64 } 65 65 66 // Compute the blocking probability 66 // Compute the blocking probability 67 G4double probBlocking; 67 G4double probBlocking; 68 if(t==Proton) 68 if(t==Proton) 69 probBlocking = ((G4double) nSea)/((G4d 69 probBlocking = ((G4double) nSea)/((G4double) n->getInitialZ()); 70 else 70 else 71 probBlocking = ((G4double) nSea)/((G4d 71 probBlocking = ((G4double) nSea)/((G4double) (n->getInitialA() - n->getInitialZ())); 72 72 73 // The avatar is blocked if any particle 73 // The avatar is blocked if any particle is blocked 74 if(Random::shoot() < probBlocking) retur 74 if(Random::shoot() < probBlocking) return true; 75 75 76 } 76 } 77 77 78 // Not blocked 78 // Not blocked 79 return false; 79 return false; 80 80 81 } 81 } 82 } 82 } 83 83