LXe/src/LXePrimaryGeneratorAction.cc

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0026 //
0027 /// \file optical/LXe/src/LXePrimaryGeneratorAction.cc
0028 /// \brief Implementation of the LXePrimaryGeneratorAction class
0029 //
0030 //
0031 #include "LXePrimaryGeneratorAction.hh"
0032
0033 #include "G4Event.hh"
0034 #include "G4ParticleDefinition.hh"
0035 #include "G4ParticleGun.hh"
0036 #include "G4ParticleTable.hh"
0037 #include "G4SystemOfUnits.hh"
0038 #include "globals.hh"
0039
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041
0042 LXePrimaryGeneratorAction::LXePrimaryGeneratorAction()
0043 {
0044   G4int n_particle = 1;
0045   fParticleGun = new G4ParticleGun(n_particle);
0046
0047   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0048
0049   G4String particleName;
0050   fParticleGun->SetParticleDefinition(particleTable->FindParticle(particleName = "gamma"));
0051   // Default energy,position,momentum
0052   fParticleGun->SetParticleEnergy(511. * keV);
0053   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -20. * cm));
0054   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0055 }
0056
0057 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0058
0059 LXePrimaryGeneratorAction::~LXePrimaryGeneratorAction()
0060 {
0061   delete fParticleGun;
0062 }
0063
0064 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0065
0066 void LXePrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0067 {
0068   fParticleGun->GeneratePrimaryVertex(anEvent);
0069 }