#include <G4LEAntiXiMinusInelastic.hh>
Inheritance diagram for G4LEAntiXiMinusInelastic:
Public Member Functions | |
G4LEAntiXiMinusInelastic () | |
~G4LEAntiXiMinusInelastic () | |
G4HadFinalState * | ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus) |
virtual void | ModelDescription (std::ostream &outFile) const |
Definition at line 45 of file G4LEAntiXiMinusInelastic.hh.
G4LEAntiXiMinusInelastic::G4LEAntiXiMinusInelastic | ( | ) | [inline] |
Definition at line 49 of file G4LEAntiXiMinusInelastic.hh.
References G4cout, G4endl, G4HadronicInteraction::SetMaxEnergy(), and G4HadronicInteraction::SetMinEnergy().
00049 : G4InelasticInteraction("G4LEAntiXiMinusInelastic") 00050 { 00051 SetMinEnergy( 0.0 ); 00052 SetMaxEnergy( 25.*CLHEP::GeV ); 00053 G4cout << "WARNING: model G4LEAntiXiMinusInelastic is being deprecated and will\n" 00054 << "disappear in Geant4 version 10.0" << G4endl; 00055 }
G4LEAntiXiMinusInelastic::~G4LEAntiXiMinusInelastic | ( | ) | [inline] |
G4HadFinalState * G4LEAntiXiMinusInelastic::ApplyYourself | ( | const G4HadProjectile & | aTrack, | |
G4Nucleus & | targetNucleus | |||
) | [virtual] |
Implements G4HadronicInteraction.
Definition at line 54 of file G4LEAntiXiMinusInelastic.cc.
References G4InelasticInteraction::CalculateMomenta(), G4Nucleus::Cinema(), G4InelasticInteraction::DoIsotopeCounting(), G4Nucleus::EvaporationEffects(), G4cout, G4endl, G4UniformRand, G4HadProjectile::Get4Momentum(), G4HadProjectile::GetDefinition(), G4DynamicParticle::GetDefinition(), G4ReactionProduct::GetKineticEnergy(), G4HadProjectile::GetKineticEnergy(), G4HadProjectile::GetMaterial(), G4ReactionProduct::GetMomentum(), G4Material::GetName(), G4ParticleDefinition::GetParticleName(), G4ParticleDefinition::GetPDGMass(), G4ReactionProduct::GetTotalMomentum(), G4FastVector< Type, N >::Initialize(), isAlive, G4InelasticInteraction::isotopeProduction, G4InuclParticleNames::pp, G4Nucleus::ReturnTargetParticle(), G4HadFinalState::SetEnergyChange(), G4ReactionProduct::SetKineticEnergy(), G4ReactionProduct::SetMomentum(), G4HadFinalState::SetMomentumChange(), G4ReactionProduct::SetSide(), G4HadFinalState::SetStatusChange(), G4InelasticInteraction::SetUpChange(), G4HadronicInteraction::theParticleChange, and G4HadronicInteraction::verboseLevel.
00056 { 00057 const G4HadProjectile *originalIncident = &aTrack; 00058 if (originalIncident->GetKineticEnergy()<= 0.1*MeV) { 00059 theParticleChange.SetStatusChange(isAlive); 00060 theParticleChange.SetEnergyChange(aTrack.GetKineticEnergy()); 00061 theParticleChange.SetMomentumChange(aTrack.Get4Momentum().vect().unit()); 00062 return &theParticleChange; 00063 } 00064 00065 // create the target particle 00066 G4DynamicParticle* originalTarget = targetNucleus.ReturnTargetParticle(); 00067 00068 if (verboseLevel > 1) { 00069 const G4Material *targetMaterial = aTrack.GetMaterial(); 00070 G4cout << "G4LEAntiXiMinusInelastic::ApplyYourself called" << G4endl; 00071 G4cout << "kinetic energy = " << originalIncident->GetKineticEnergy()/MeV << "MeV, "; 00072 G4cout << "target material = " << targetMaterial->GetName() << ", "; 00073 G4cout << "target particle = " << originalTarget->GetDefinition()->GetParticleName() 00074 << G4endl; 00075 } 00076 00077 // Fermi motion and evaporation 00078 // As of Geant3, the Fermi energy calculation had not been Done 00079 G4double ek = originalIncident->GetKineticEnergy()/MeV; 00080 G4double amas = originalIncident->GetDefinition()->GetPDGMass()/MeV; 00081 G4ReactionProduct modifiedOriginal; 00082 modifiedOriginal = *originalIncident; 00083 00084 G4double tkin = targetNucleus.Cinema( ek ); 00085 ek += tkin; 00086 modifiedOriginal.SetKineticEnergy( ek*MeV ); 00087 G4double et = ek + amas; 00088 G4double p = std::sqrt( std::abs((et-amas)*(et+amas)) ); 00089 G4double pp = modifiedOriginal.GetMomentum().mag()/MeV; 00090 if (pp > 0.0) { 00091 G4ThreeVector momentum = modifiedOriginal.GetMomentum(); 00092 modifiedOriginal.SetMomentum( momentum * (p/pp) ); 00093 } 00094 00095 // calculate black track energies 00096 tkin = targetNucleus.EvaporationEffects(ek); 00097 ek -= tkin; 00098 modifiedOriginal.SetKineticEnergy( ek*MeV ); 00099 et = ek + amas; 00100 p = std::sqrt( std::abs((et-amas)*(et+amas)) ); 00101 pp = modifiedOriginal.GetMomentum().mag()/MeV; 00102 if (pp > 0.0) { 00103 G4ThreeVector momentum = modifiedOriginal.GetMomentum(); 00104 modifiedOriginal.SetMomentum( momentum * (p/pp) ); 00105 } 00106 G4ReactionProduct currentParticle = modifiedOriginal; 00107 G4ReactionProduct targetParticle; 00108 targetParticle = *originalTarget; 00109 currentParticle.SetSide( 1 ); // incident always goes in forward hemisphere 00110 targetParticle.SetSide( -1 ); // target always goes in backward hemisphere 00111 G4bool incidentHasChanged = false; 00112 G4bool targetHasChanged = false; 00113 G4bool quasiElastic = false; 00114 G4FastVector<G4ReactionProduct,GHADLISTSIZE> vec; // vec will contain the secondary particles 00115 G4int vecLen = 0; 00116 vec.Initialize(0); 00117 00118 const G4double cutOff = 0.1; 00119 const G4double anni = std::min( 1.3*currentParticle.GetTotalMomentum()/GeV, 0.4 ); 00120 if ((currentParticle.GetKineticEnergy()/MeV > cutOff) || (G4UniformRand() > anni) ) 00121 Cascade(vec, vecLen, originalIncident, currentParticle, targetParticle, 00122 incidentHasChanged, targetHasChanged, quasiElastic); 00123 00124 CalculateMomenta(vec, vecLen, originalIncident, originalTarget, 00125 modifiedOriginal, targetNucleus, currentParticle, 00126 targetParticle, incidentHasChanged, targetHasChanged, 00127 quasiElastic); 00128 00129 SetUpChange(vec, vecLen, currentParticle, targetParticle, incidentHasChanged); 00130 00131 if (isotopeProduction) DoIsotopeCounting(originalIncident, targetNucleus); 00132 00133 delete originalTarget; 00134 return &theParticleChange; 00135 }
void G4LEAntiXiMinusInelastic::ModelDescription | ( | std::ostream & | outFile | ) | const [virtual] |
Reimplemented from G4HadronicInteraction.
Definition at line 41 of file G4LEAntiXiMinusInelastic.cc.
00042 { 00043 outFile << "G4LEAntiXiMinusInelastic is one of the Low Energy Parameterized\n" 00044 << "(LEP) models used to implement inelastic antiXi- scattering\n" 00045 << "from nuclei. It is a re-engineered version of the GHEISHA\n" 00046 << "code of H. Fesefeldt. It divides the initial collision\n" 00047 << "products into backward- and forward-going clusters which are\n" 00048 << "then decayed into final state hadrons. The model does not\n" 00049 << "conserve energy on an event-by-event basis. It may be applied\n" 00050 << "to antiXi- with initial energies between 0 and 25 GeV.\n"; 00051 }