Par03PrimaryGeneratorAction.cc

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#include "Par03PrimaryGeneratorAction.hh"
 
#include "G4ParticleGun.hh"
#include "G4ParticleTable.hh"
#include "G4SystemOfUnits.hh"
 
Par03PrimaryGeneratorAction::Par03PrimaryGeneratorAction()
  : G4VUserPrimaryGeneratorAction()
  , fParticleGun(nullptr)
{
  G4int n_particle = 1;
  fParticleGun     = new G4ParticleGun(n_particle);
  // Default particle properties
  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
  G4String particleName;
  G4ParticleDefinition* particle =
    particleTable->FindParticle(particleName = "e-");
  fParticleGun->SetParticleDefinition(particle);
  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
  fParticleGun->SetParticleEnergy(10. * GeV);
  fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -10. * cm));
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
Par03PrimaryGeneratorAction::~Par03PrimaryGeneratorAction() { delete fParticleGun; }
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 
void Par03PrimaryGeneratorAction::GeneratePrimaries(G4Event* aEvent)
{
  fParticleGun->GeneratePrimaryVertex(aEvent);
}