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// $Id: B01PrimaryGeneratorAction.cc,v 1.8 2006/06/29 16:34:20 gunter Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//

#include "globals.hh"

#include "B01PrimaryGeneratorAction.hh"

#include "G4Event.hh"
#include "G4ParticleGun.hh"
#include "G4Neutron.hh"
#include "G4ThreeVector.hh"

B01PrimaryGeneratorAction::B01PrimaryGeneratorAction()
{
  G4int n_particle = 1;
  particleGun = new G4ParticleGun(n_particle);
  particleGun->SetParticleDefinition(G4Neutron::NeutronDefinition());
  particleGun->SetParticleEnergy(10.0*MeV);
  particleGun->SetParticlePosition(G4ThreeVector(0.0, 0.0, -90.0005*cm));
  particleGun->SetParticleMomentumDirection(G4ThreeVector(0.0, 0.0, 1.0));
}

B01PrimaryGeneratorAction::~B01PrimaryGeneratorAction()
{
  delete particleGun;
}

void B01PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
{
  particleGun->GeneratePrimaryVertex(anEvent);
}