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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 "G4INCLKinematicsUtils.hh" 38 #include "G4INCLKinematicsUtils.hh" 39 #include "G4INCLParticleTable.hh" 39 #include "G4INCLParticleTable.hh" 40 40 41 namespace G4INCL { 41 namespace G4INCL { 42 42 43 namespace KinematicsUtils { 43 namespace KinematicsUtils { 44 44 45 G4double fiveParFit (const G4double a, const << 46 return a+b*std::pow(x, c)+d*std::log(x)+e* << 47 } << 48 << 49 G4double compute_xs(const std::vector<G4doub << 50 G4double sigma = 0.; << 51 G4double Ethreshold = 0.0; << 52 if(coefficients.size() == 6){ << 53 Ethreshold = coefficients[5]; << 54 if(Ethreshold >= 5){ //there are no << 55 if(pLab > Ethreshold){ // E is E << 56 return 0.; << 57 } << 58 } << 59 else{ << 60 if(pLab < Ethreshold){ << 61 return 0.; << 62 } << 63 } << 64 } << 65 << 66 sigma = fiveParFit(coefficients[0],coeff << 67 if(sigma < 0.){ << 68 return 0.; << 69 }; << 70 return sigma; << 71 } << 72 << 73 void transformToLocalEnergyFrame(Nucleus con 45 void transformToLocalEnergyFrame(Nucleus const * const n, Particle * const p) { 74 // assert(!p->isMeson() && !p->isPhoton() && ! << 75 const G4double localEnergy = getLocalEnerg 46 const G4double localEnergy = getLocalEnergy(n, p); 76 const G4double localTotalEnergy = p->getEn 47 const G4double localTotalEnergy = p->getEnergy() - localEnergy; 77 p->setEnergy(localTotalEnergy); 48 p->setEnergy(localTotalEnergy); 78 p->adjustMomentumFromEnergy(); 49 p->adjustMomentumFromEnergy(); 79 } 50 } 80 51 81 G4double getLocalEnergy(Nucleus const * cons 52 G4double getLocalEnergy(Nucleus const * const n, Particle * const p) { 82 // assert(!p->isMeson() && !p->isPhoton() && ! << 53 // assert(!p->isPion()); // No local energy for pions >> 54 83 G4double vloc = 0.0; 55 G4double vloc = 0.0; 84 const G4double r = p->getPosition().mag(); 56 const G4double r = p->getPosition().mag(); 85 const G4double mass = p->getMass(); 57 const G4double mass = p->getMass(); 86 58 87 // Local energy is constant outside the su 59 // Local energy is constant outside the surface 88 if(r > n->getUniverseRadius()) { 60 if(r > n->getUniverseRadius()) { 89 INCL_WARN("Tried to evaluate local energ 61 INCL_WARN("Tried to evaluate local energy for a particle outside the maximum radius." 90 << '\n' << p->print() << '\n' 62 << '\n' << p->print() << '\n' 91 << "Maximum radius = " << n->getDe 63 << "Maximum radius = " << n->getDensity()->getMaximumRadius() << '\n' 92 << "Universe radius = " << n->getU 64 << "Universe radius = " << n->getUniverseRadius() << '\n'); 93 return 0.0; 65 return 0.0; 94 } 66 } 95 67 96 G4double pfl0 = 0.0; 68 G4double pfl0 = 0.0; 97 const ParticleType t = p->getType(); 69 const ParticleType t = p->getType(); 98 const G4double kinE = p->getKineticEnergy( 70 const G4double kinE = p->getKineticEnergy(); 99 if(kinE <= n->getPotential()->getFermiEner 71 if(kinE <= n->getPotential()->getFermiEnergy(t)) { 100 pfl0 = n->getPotential()->getFermiMoment 72 pfl0 = n->getPotential()->getFermiMomentum(p); 101 } else { 73 } else { 102 const G4double tf0 = p->getPotentialEner 74 const G4double tf0 = p->getPotentialEnergy() - n->getPotential()->getSeparationEnergy(p); 103 if(tf0<0.0) return 0.0; 75 if(tf0<0.0) return 0.0; 104 pfl0 = std::sqrt(tf0*(tf0 + 2.0*mass)); << 76 pfl0 = std::sqrt(tf0*(tf0 + 2.0*mass)); 105 } 77 } 106 const G4double pReflection = p->getReflect 78 const G4double pReflection = p->getReflectionMomentum()/pfl0; 107 const G4double reflectionRadius = n->getDe 79 const G4double reflectionRadius = n->getDensity()->getMaxRFromP(p->getType(), pReflection); 108 const G4double pNominal = p->getMomentum() 80 const G4double pNominal = p->getMomentum().mag()/pfl0; 109 const G4double nominalReflectionRadius = n 81 const G4double nominalReflectionRadius = n->getDensity()->getMaxRFromP(p->getType(), pNominal); 110 const G4double pl = pfl0*n->getDensity()-> 82 const G4double pl = pfl0*n->getDensity()->getMinPFromR(t, r*nominalReflectionRadius/reflectionRadius); 111 vloc = std::sqrt(pl*pl + mass*mass) - mass 83 vloc = std::sqrt(pl*pl + mass*mass) - mass; 112 84 113 return vloc; 85 return vloc; 114 } 86 } 115 87 116 ThreeVector makeBoostVector(Particle const * 88 ThreeVector makeBoostVector(Particle const * const p1, Particle const * const p2){ 117 const G4double totalEnergy = p1->getEnergy 89 const G4double totalEnergy = p1->getEnergy() + p2->getEnergy(); 118 return ((p1->getMomentum() + p2->getMoment 90 return ((p1->getMomentum() + p2->getMomentum())/totalEnergy); 119 } 91 } 120 92 121 G4double totalEnergyInCM(Particle const * co 93 G4double totalEnergyInCM(Particle const * const p1, Particle const * const p2){ 122 return std::sqrt(squareTotalEnergyInCM(p1, 94 return std::sqrt(squareTotalEnergyInCM(p1,p2)); 123 } 95 } 124 96 125 G4double squareTotalEnergyInCM(Particle cons 97 G4double squareTotalEnergyInCM(Particle const * const p1, Particle const * const p2) { 126 G4double beta2 = makeBoostVector(p1, p2).m 98 G4double beta2 = makeBoostVector(p1, p2).mag2(); 127 if(beta2 > 1.0) { 99 if(beta2 > 1.0) { 128 INCL_ERROR("squareTotalEnergyInCM: beta2 100 INCL_ERROR("squareTotalEnergyInCM: beta2 == " << beta2 << " > 1.0" << '\n'); 129 beta2 = 0.0; 101 beta2 = 0.0; 130 } 102 } 131 return (1.0 - beta2)*std::pow(p1->getEnerg 103 return (1.0 - beta2)*std::pow(p1->getEnergy() + p2->getEnergy(), 2); 132 } 104 } 133 105 134 G4double momentumInCM(Particle const * const 106 G4double momentumInCM(Particle const * const p1, Particle const * const p2) { 135 const G4double m1sq = std::pow(p1->getMass 107 const G4double m1sq = std::pow(p1->getMass(),2); 136 const G4double m2sq = std::pow(p2->getMass 108 const G4double m2sq = std::pow(p2->getMass(),2); 137 const G4double z = p1->getEnergy()*p2->get 109 const G4double z = p1->getEnergy()*p2->getEnergy() - p1->getMomentum().dot(p2->getMomentum()); 138 G4double pcm2 = (z*z-m1sq*m2sq)/(2*z+m1sq+ 110 G4double pcm2 = (z*z-m1sq*m2sq)/(2*z+m1sq+m2sq); 139 if(pcm2 < 0.0) { 111 if(pcm2 < 0.0) { 140 INCL_ERROR("momentumInCM: pcm2 == " << p 112 INCL_ERROR("momentumInCM: pcm2 == " << pcm2 << " < 0.0" << '\n'); 141 pcm2 = 0.0; 113 pcm2 = 0.0; 142 } 114 } 143 return std::sqrt(pcm2); 115 return std::sqrt(pcm2); 144 } 116 } 145 117 146 G4double momentumInCM(const G4double E, cons 118 G4double momentumInCM(const G4double E, const G4double M1, const G4double M2) { 147 return 0.5*std::sqrt((E*E - std::pow(M1 + 119 return 0.5*std::sqrt((E*E - std::pow(M1 + M2, 2)) 148 *(E*E - std::pow(M1 - M2, 2)))/E; 120 *(E*E - std::pow(M1 - M2, 2)))/E; 149 } 121 } 150 122 151 G4double momentumInLab(const G4double s, con 123 G4double momentumInLab(const G4double s, const G4double m1, const G4double m2) { 152 const G4double m1sq = m1*m1; 124 const G4double m1sq = m1*m1; 153 const G4double m2sq = m2*m2; 125 const G4double m2sq = m2*m2; 154 G4double plab2 = (s*s-2*s*(m1sq+m2sq)+(m1s 126 G4double plab2 = (s*s-2*s*(m1sq+m2sq)+(m1sq-m2sq)*(m1sq-m2sq))/(4*m2sq); 155 if(plab2 < 0.0) { 127 if(plab2 < 0.0) { 156 INCL_ERROR("momentumInLab: plab2 == " << 128 INCL_ERROR("momentumInLab: plab2 == " << plab2 << " < 0.0; m1sq == " << m1sq << "; m2sq == " << m2sq << "; s == " << s << '\n'); 157 plab2 = 0.0; 129 plab2 = 0.0; 158 } 130 } 159 return std::sqrt(plab2); 131 return std::sqrt(plab2); 160 } 132 } 161 133 162 G4double momentumInLab(Particle const * cons 134 G4double momentumInLab(Particle const * const p1, Particle const * const p2) { 163 const G4double m1 = p1->getMass(); 135 const G4double m1 = p1->getMass(); 164 const G4double m2 = p2->getMass(); 136 const G4double m2 = p2->getMass(); 165 const G4double s = squareTotalEnergyInCM(p 137 const G4double s = squareTotalEnergyInCM(p1, p2); 166 return momentumInLab(s, m1, m2); 138 return momentumInLab(s, m1, m2); 167 } 139 } 168 140 169 G4double sumTotalEnergies(const ParticleList 141 G4double sumTotalEnergies(const ParticleList &pl) { 170 G4double E = 0.0; 142 G4double E = 0.0; 171 for(ParticleIter i=pl.begin(), e=pl.end(); 143 for(ParticleIter i=pl.begin(), e=pl.end(); i!=e; ++i) { 172 E += (*i)->getEnergy(); 144 E += (*i)->getEnergy(); 173 } 145 } 174 return E; 146 return E; 175 } 147 } 176 148 177 ThreeVector sumMomenta(const ParticleList &p 149 ThreeVector sumMomenta(const ParticleList &pl) { 178 ThreeVector p(0.0, 0.0, 0.0); 150 ThreeVector p(0.0, 0.0, 0.0); 179 for(ParticleIter i=pl.begin(), e=pl.end(); 151 for(ParticleIter i=pl.begin(), e=pl.end(); i!=e; ++i) { 180 p += (*i)->getMomentum(); 152 p += (*i)->getMomentum(); 181 } 153 } 182 return p; 154 return p; 183 } 155 } 184 156 185 G4double energy(const ThreeVector &p, const 157 G4double energy(const ThreeVector &p, const G4double m) { 186 return std::sqrt(p.mag2() + m*m); 158 return std::sqrt(p.mag2() + m*m); 187 } 159 } 188 160 189 G4double invariantMass(const G4double E, con 161 G4double invariantMass(const G4double E, const ThreeVector & p) { 190 return std::sqrt(squareInvariantMass(E, p) 162 return std::sqrt(squareInvariantMass(E, p)); 191 } 163 } 192 164 193 G4double squareInvariantMass(const G4double 165 G4double squareInvariantMass(const G4double E, const ThreeVector & p) { 194 return E*E - p.mag2(); 166 return E*E - p.mag2(); 195 } 167 } 196 168 197 G4double gammaFromKineticEnergy(const Partic 169 G4double gammaFromKineticEnergy(const ParticleSpecies &p, const G4double EKin) { 198 G4double mass; 170 G4double mass; 199 if(p.theType==Composite) 171 if(p.theType==Composite) 200 mass = ParticleTable::getTableMass(p.the << 172 mass = ParticleTable::getTableMass(p.theA, p.theZ); 201 else 173 else 202 mass = ParticleTable::getTableParticleMa 174 mass = ParticleTable::getTableParticleMass(p.theType); 203 return (1.+EKin/mass); 175 return (1.+EKin/mass); 204 } 176 } 205 177 206 } 178 } 207 179 208 } 180 } 209 181