#include <G4LELambdaInelastic.hh>
Inheritance diagram for G4LELambdaInelastic:
Public Member Functions | |
G4LELambdaInelastic (const G4String &name="G4LELambdaInelastic") | |
~G4LELambdaInelastic () | |
G4HadFinalState * | ApplyYourself (const G4HadProjectile &aTrack, G4Nucleus &targetNucleus) |
virtual void | ModelDescription (std::ostream &outFile) const |
Definition at line 44 of file G4LELambdaInelastic.hh.
G4LELambdaInelastic::G4LELambdaInelastic | ( | const G4String & | name = "G4LELambdaInelastic" |
) |
Definition at line 39 of file G4LELambdaInelastic.cc.
References G4cout, G4endl, G4HadronicInteraction::SetMaxEnergy(), and G4HadronicInteraction::SetMinEnergy().
00040 :G4InelasticInteraction(name) 00041 { 00042 SetMinEnergy(0.0); 00043 SetMaxEnergy(25.*GeV); 00044 G4cout << "WARNING: model G4LELambdaInelastic is being deprecated and will\n" 00045 << "disappear in Geant4 version 10.0" << G4endl; 00046 }
G4LELambdaInelastic::~G4LELambdaInelastic | ( | ) | [inline] |
G4HadFinalState * G4LELambdaInelastic::ApplyYourself | ( | const G4HadProjectile & | aTrack, | |
G4Nucleus & | targetNucleus | |||
) | [virtual] |
Implements G4HadronicInteraction.
Definition at line 64 of file G4LELambdaInelastic.cc.
References G4InelasticInteraction::CalculateMomenta(), G4Nucleus::Cinema(), G4InelasticInteraction::DoIsotopeCounting(), G4Nucleus::EvaporationEffects(), G4cout, G4endl, G4HadProjectile::GetDefinition(), G4DynamicParticle::GetDefinition(), G4ReactionProduct::GetKineticEnergy(), G4HadProjectile::GetKineticEnergy(), G4HadProjectile::GetMaterial(), G4ReactionProduct::GetMomentum(), G4Material::GetName(), G4ParticleDefinition::GetParticleName(), G4ParticleDefinition::GetPDGMass(), G4FastVector< Type, N >::Initialize(), G4InelasticInteraction::isotopeProduction, G4InuclParticleNames::pp, G4Nucleus::ReturnTargetParticle(), G4ReactionProduct::SetKineticEnergy(), G4ReactionProduct::SetMomentum(), G4ReactionProduct::SetSide(), G4InelasticInteraction::SetUpChange(), G4HadronicInteraction::theParticleChange, and G4HadronicInteraction::verboseLevel.
00066 { 00067 const G4HadProjectile *originalIncident = &aTrack; 00068 00069 // create the target particle 00070 00071 G4DynamicParticle* originalTarget = targetNucleus.ReturnTargetParticle(); 00072 00073 if (verboseLevel > 1) { 00074 const G4Material *targetMaterial = aTrack.GetMaterial(); 00075 G4cout << "G4LELambdaInelastic::ApplyYourself called" << G4endl; 00076 G4cout << "kinetic energy = " << originalIncident->GetKineticEnergy()/MeV << "MeV, "; 00077 G4cout << "target material = " << targetMaterial->GetName() << ", "; 00078 G4cout << "target particle = " << originalTarget->GetDefinition()->GetParticleName() 00079 << G4endl; 00080 } 00081 00082 // Fermi motion and evaporation 00083 // As of Geant3, the Fermi energy calculation had not been done 00084 G4double ek = originalIncident->GetKineticEnergy()/MeV; 00085 G4double amas = originalIncident->GetDefinition()->GetPDGMass()/MeV; 00086 G4ReactionProduct modifiedOriginal; 00087 modifiedOriginal = *originalIncident; 00088 00089 G4double tkin = targetNucleus.Cinema( ek ); 00090 ek += tkin; 00091 modifiedOriginal.SetKineticEnergy( ek*MeV ); 00092 G4double et = ek + amas; 00093 G4double p = std::sqrt( std::abs((et-amas)*(et+amas)) ); 00094 G4double pp = modifiedOriginal.GetMomentum().mag()/MeV; 00095 if (pp > 0.0) { 00096 G4ThreeVector momentum = modifiedOriginal.GetMomentum(); 00097 modifiedOriginal.SetMomentum( momentum * (p/pp) ); 00098 } 00099 00100 // calculate black track energies 00101 tkin = targetNucleus.EvaporationEffects(ek); 00102 ek -= tkin; 00103 modifiedOriginal.SetKineticEnergy(ek*MeV); 00104 et = ek + amas; 00105 p = std::sqrt( std::abs((et-amas)*(et+amas)) ); 00106 pp = modifiedOriginal.GetMomentum().mag()/MeV; 00107 if (pp > 0.0) { 00108 G4ThreeVector momentum = modifiedOriginal.GetMomentum(); 00109 modifiedOriginal.SetMomentum( momentum * (p/pp) ); 00110 } 00111 00112 G4ReactionProduct currentParticle = modifiedOriginal; 00113 G4ReactionProduct targetParticle; 00114 targetParticle = *originalTarget; 00115 currentParticle.SetSide(1); // incident always goes in forward hemisphere 00116 targetParticle.SetSide(-1); // target always goes in backward hemisphere 00117 G4bool incidentHasChanged = false; 00118 G4bool targetHasChanged = false; 00119 G4bool quasiElastic = false; 00120 G4FastVector<G4ReactionProduct,GHADLISTSIZE> vec; // vec will contain the secondary particles 00121 G4int vecLen = 0; 00122 vec.Initialize(0); 00123 00124 const G4double cutOff = 0.1; 00125 if (currentParticle.GetKineticEnergy()/MeV > cutOff) 00126 Cascade(vec, vecLen, originalIncident, currentParticle, targetParticle, 00127 incidentHasChanged, targetHasChanged, quasiElastic); 00128 00129 CalculateMomenta(vec, vecLen, originalIncident, originalTarget, 00130 modifiedOriginal, targetNucleus, currentParticle, 00131 targetParticle, incidentHasChanged, targetHasChanged, 00132 quasiElastic); 00133 00134 SetUpChange(vec, vecLen, currentParticle, targetParticle, incidentHasChanged); 00135 00136 if (isotopeProduction) DoIsotopeCounting(originalIncident, targetNucleus); 00137 00138 delete originalTarget; 00139 return &theParticleChange; 00140 }
void G4LELambdaInelastic::ModelDescription | ( | std::ostream & | outFile | ) | const [virtual] |
Reimplemented from G4HadronicInteraction.
Definition at line 49 of file G4LELambdaInelastic.cc.
00050 { 00051 outFile << "G4LELambdaInelastic is one of the Low Energy Parameterized\n" 00052 << "(LEP) models used to implement inelastic Lambda scattering\n" 00053 << "from nuclei. It is a re-engineered version of the GHEISHA\n" 00054 << "code of H. Fesefeldt. It divides the initial collision\n" 00055 << "products into backward- and forward-going clusters which are\n" 00056 << "then decayed into final state hadrons. The model does not\n" 00057 << "conserve energy on an event-by-event basis. It may be\n" 00058 << "applied to lambdas with initial energies between 0 and 25\n" 00059 << "GeV.\n"; 00060 }