LXe/src/LXePrimaryGeneratorAction.cc

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0025 //
0026 /// \file LXePrimaryGeneratorAction.cc
0027 /// \brief Implementation of the LXePrimaryGeneratorAction class
0028
0029 #include "LXePrimaryGeneratorAction.hh"
0030
0031 #include "G4Event.hh"
0032 #include "G4ParticleDefinition.hh"
0033 #include "G4ParticleGun.hh"
0034 #include "G4ParticleTable.hh"
0035 #include "G4SystemOfUnits.hh"
0036 #include "globals.hh"
0037
0038 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0039
0040 LXePrimaryGeneratorAction::LXePrimaryGeneratorAction()
0041 {
0042   G4int n_particle = 1;
0043   fParticleGun = new G4ParticleGun(n_particle);
0044
0045   G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
0046
0047   G4String particleName;
0048   fParticleGun->SetParticleDefinition(particleTable->FindParticle(particleName = "gamma"));
0049   // Default energy,position,momentum
0050   fParticleGun->SetParticleEnergy(511. * keV);
0051   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., -20. * cm));
0052   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0053 }
0054
0055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0056
0057 LXePrimaryGeneratorAction::~LXePrimaryGeneratorAction()
0058 {
0059   delete fParticleGun;
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 void LXePrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0065 {
0066   fParticleGun->GeneratePrimaryVertex(anEvent);
0067 }