Geant4 Cross Reference

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Geant4/examples/extended/runAndEvent/RE03/src/RE03PrimaryGeneratorAction.cc

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 25 //
 26 /// \file runAndEvent/RE03/src/RE03PrimaryGeneratorAction.cc
 27 /// \brief Implementation of the RE03PrimaryGeneratorAction class
 28 //
 29 //
 30 
 31 #include "RE03PrimaryGeneratorAction.hh"
 32 
 33 #include "G4Event.hh"
 34 #include "G4ParticleDefinition.hh"
 35 #include "G4ParticleGun.hh"
 36 #include "G4ParticleTable.hh"
 37 #include "G4SystemOfUnits.hh"
 38 
 39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 40 RE03PrimaryGeneratorAction::RE03PrimaryGeneratorAction()
 41   : G4VUserPrimaryGeneratorAction(), fParticleGun(0)
 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 = "e-");
 50   fParticleGun->SetParticleDefinition(particle);
 51   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
 52   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -1.01 * m));
 53   fParticleGun->SetParticleEnergy(1. * GeV);
 54 }
 55 
 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 57 RE03PrimaryGeneratorAction::~RE03PrimaryGeneratorAction()
 58 {
 59   delete fParticleGun;
 60 }
 61 
 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 63 void RE03PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
 64 {
 65   fParticleGun->GeneratePrimaryVertex(anEvent);
 66 }
 67