Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/biasing/GB05/src/GB05PrimaryGeneratorAction.cc

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 26 //
 27 /// \file GB05PrimaryGeneratorAction.cc
 28 /// \brief Implementation of the GB05PrimaryGeneratorAction class
 29 
 30 #include "GB05PrimaryGeneratorAction.hh"
 31 
 32 #include "G4Event.hh"
 33 #include "G4ParticleDefinition.hh"
 34 #include "G4ParticleGun.hh"
 35 #include "G4ParticleTable.hh"
 36 #include "G4SystemOfUnits.hh"
 37 #include "Randomize.hh"
 38 
 39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 40 
 41 GB05PrimaryGeneratorAction::GB05PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction()
 42 {
 43   G4int n_particle = 1;
 44   fParticleGun = new G4ParticleGun(n_particle);
 45 
 46   // default particle kinematic
 47   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
 48   G4String particleName;
 49   G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "neutron");
 50   fParticleGun->SetParticleDefinition(particle);
 51   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
 52   fParticleGun->SetParticleEnergy(100. * MeV);
 53   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -50 * cm));
 54 }
 55 
 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 57 
 58 GB05PrimaryGeneratorAction::~GB05PrimaryGeneratorAction()
 59 {
 60   delete fParticleGun;
 61 }
 62 
 63 void GB05PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
 64 {
 65   fParticleGun->GeneratePrimaryVertex(anEvent);
 66 }
 67