B01/src/B01PrimaryGeneratorAction.cc

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0025 //
0026 /// \file B01PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the B01PrimaryGeneratorAction class
0028
0029 #include "B01PrimaryGeneratorAction.hh"
0030
0031 #include "G4Event.hh"
0032 #include "G4Neutron.hh"
0033 #include "G4ParticleGun.hh"
0034 #include "G4SystemOfUnits.hh"
0035 #include "G4ThreeVector.hh"
0036 #include "globals.hh"
0037
0038 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0039
0040 B01PrimaryGeneratorAction::B01PrimaryGeneratorAction()
0041   : G4VUserPrimaryGeneratorAction(), fParticleGun(0)
0042 {
0043   G4int n_particle = 1;
0044   fParticleGun = new G4ParticleGun(n_particle);
0045   fParticleGun->SetParticleDefinition(G4Neutron::NeutronDefinition());
0046   fParticleGun->SetParticleEnergy(10.0 * MeV);
0047   fParticleGun->SetParticlePosition(G4ThreeVector(0.0, 0.0, -90.0005 * cm));
0048   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.0, 0.0, 1.0));
0049 }
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052
0053 B01PrimaryGeneratorAction::~B01PrimaryGeneratorAction()
0054 {
0055   delete fParticleGun;
0056 }
0057
0058 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0059
0060 void B01PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0061 {
0062   fParticleGun->GeneratePrimaryVertex(anEvent);
0063 }
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......