Geant4  10.03.p03
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GB03PrimaryGeneratorAction.cc
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26 // $Id$
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30 
32 
33 #include "G4Event.hh"
34 #include "G4ParticleGun.hh"
35 #include "G4ParticleTable.hh"
36 #include "G4ParticleDefinition.hh"
37 #include "G4SystemOfUnits.hh"
38 
39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
40 
43 {
44  G4int n_particle = 1;
45  fParticleGun = new G4ParticleGun(n_particle);
46 
47  // default particle kinematic
49  G4String particleName;
50  G4ParticleDefinition* particle
51  = particleTable->FindParticle(particleName="neutron");
52  fParticleGun->SetParticleDefinition(particle);
53  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
54  fParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,-3.5*m));
55  fParticleGun->SetParticleEnergy(100.*MeV);
56 }
57 
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 
61 {
62  delete fParticleGun;
63 }
64 
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 
68 {
69  fParticleGun->GeneratePrimaryVertex(anEvent);
70 }
71 
72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
CLHEP::Hep3Vector G4ThreeVector
void SetParticleMomentumDirection(G4ParticleMomentum aMomentumDirection)
int G4int
Definition: G4Types.hh:78
virtual void GeneratePrimaryVertex(G4Event *evt)
Definition of the GB03PrimaryGeneratorAction class.
void SetParticlePosition(G4ThreeVector aPosition)
static constexpr double m
Definition: G4SIunits.hh:129
void SetParticleEnergy(G4double aKineticEnergy)
static G4ParticleTable * GetParticleTable()
virtual void GeneratePrimaries(G4Event *)
static constexpr double MeV
Definition: G4SIunits.hh:214
void SetParticleDefinition(G4ParticleDefinition *aParticleDefinition)