P02/src/ExP02PrimaryGeneratorAction.cc

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0025 //
0026 /// \file persistency/P02/src/ExP02PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the ExP02PrimaryGeneratorAction class
0028 //
0029 //
0030 #include "ExP02PrimaryGeneratorAction.hh"
0031
0032 #include "G4Event.hh"
0033 #include "G4ParticleDefinition.hh"
0034 #include "G4ParticleGun.hh"
0035 #include "G4ParticleTable.hh"
0036 #include "G4SystemOfUnits.hh"
0037 #include "globals.hh"
0038
0039 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0040
0041 ExP02PrimaryGeneratorAction::ExP02PrimaryGeneratorAction()
0042   : G4VUserPrimaryGeneratorAction(), fParticleGun(0)
0043
0044 {
0045   G4int n_particle = 1;
0046   fParticleGun = new G4ParticleGun(n_particle);
0047
0048   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0049   G4String particleName;
0050   //    particleGun->SetParticleDefinition(particleTable->FindParticle(particleName="pi+"));
0051   fParticleGun->SetParticleDefinition(particleTable->FindParticle(particleName = "geantino"));
0052   fParticleGun->SetParticleEnergy(1.0 * GeV);
0053   fParticleGun->SetParticlePosition(G4ThreeVector(0.0, 0.0, 0.0));
0054 }
0055
0056 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0057
0058 ExP02PrimaryGeneratorAction::~ExP02PrimaryGeneratorAction()
0059 {
0060   delete fParticleGun;
0061 }
0062
0063 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0064
0065 void ExP02PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0066 {
0067   G4ThreeVector v(1.0, 0.1, 0.1);
0068
0069   fParticleGun->SetParticleMomentumDirection(v);
0070   fParticleGun->GeneratePrimaryVertex(anEvent);
0071 }
0072
0073 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......