exMPI01/src/PrimaryGeneratorAction.cc

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0026 //
0027 /// @file PrimaryGeneratorAction.cc
0028 /// @brief Define primary generator action
0029
0030 #include "PrimaryGeneratorAction.hh"
0031
0032 #include "G4ParticleDefinition.hh"
0033 #include "G4ParticleGun.hh"
0034 #include "G4ParticleTable.hh"
0035 #include "G4SystemOfUnits.hh"
0036
0037 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0038 PrimaryGeneratorAction::PrimaryGeneratorAction()
0039 {
0040   fparticleGun = new G4ParticleGun;
0041
0042   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0043   G4ParticleDefinition* particle = particleTable->FindParticle("e-");
0044
0045   fparticleGun->SetParticleDefinition(particle);
0046   fparticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0047   fparticleGun->SetParticlePosition(G4ThreeVector(0., 0., -14.9 * cm));
0048   fparticleGun->SetParticleEnergy(200. * MeV);
0049 }
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0053 {
0054   delete fparticleGun;
0055 }
0056
0057 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0058 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0059 {
0060   fparticleGun->GeneratePrimaryVertex(anEvent);
0061 }