GB05/src/GB05PrimaryGeneratorAction.cc

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0026 //
0027 /// \file GB05PrimaryGeneratorAction.cc
0028 /// \brief Implementation of the GB05PrimaryGeneratorAction class
0029
0030 #include "GB05PrimaryGeneratorAction.hh"
0031
0032 #include "G4Event.hh"
0033 #include "G4ParticleDefinition.hh"
0034 #include "G4ParticleGun.hh"
0035 #include "G4ParticleTable.hh"
0036 #include "G4SystemOfUnits.hh"
0037 #include "Randomize.hh"
0038
0039 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0040
0041 GB05PrimaryGeneratorAction::GB05PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction()
0042 {
0043   G4int n_particle = 1;
0044   fParticleGun = new G4ParticleGun(n_particle);
0045
0046   // default particle kinematic
0047   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0048   G4String particleName;
0049   G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "neutron");
0050   fParticleGun->SetParticleDefinition(particle);
0051   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0052   fParticleGun->SetParticleEnergy(100. * MeV);
0053   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -50 * cm));
0054 }
0055
0056 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0057
0058 GB05PrimaryGeneratorAction::~GB05PrimaryGeneratorAction()
0059 {
0060   delete fParticleGun;
0061 }
0062
0063 void GB05PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0064 {
0065   fParticleGun->GeneratePrimaryVertex(anEvent);
0066 }