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25 //
26 /// \file runAndEvent/RE02/src/RE02PrimaryGene
27 /// \brief Implementation of the RE02PrimaryGe
28 //
29 //
30 //
31
32 #include "RE02PrimaryGeneratorAction.hh"
33
34 #include "G4Event.hh"
35 #include "G4ParticleDefinition.hh"
36 #include "G4ParticleGun.hh"
37 #include "G4ParticleTable.hh"
38 #include "G4SystemOfUnits.hh"
39 #include "Randomize.hh"
40 #include "globals.hh"
41
42 //....oooOO0OOooo........oooOO0OOooo........oo
43 //
44 RE02PrimaryGeneratorAction::RE02PrimaryGenerat
45 : G4VUserPrimaryGeneratorAction(), fParticle
46 {
47 G4int n_particle = 1;
48 fParticleGun = new G4ParticleGun(n_particle)
49
50 // default particle
51 G4ParticleTable* particleTable = G4ParticleT
52 G4ParticleDefinition* particle = particleTab
53 fParticleGun->SetParticleDefinition(particle
54 fParticleGun->SetParticleMomentumDirection(G
55 fParticleGun->SetParticleEnergy(150.0 * MeV)
56 //
57 // default beam position
58 G4double position = -200. / 2. * cm;
59 //
60 // Initial beam spot size in sigma.; This is
61 fSigmaPosition = 10. * mm;
62
63 //....oooOO0OOooo........oooOO0OOooo........
64 //
65 fParticleGun->SetParticlePosition(G4ThreeVec
66 }
67
68 //....oooOO0OOooo........oooOO0OOooo........oo
69 //
70 RE02PrimaryGeneratorAction::~RE02PrimaryGenera
71 {
72 delete fParticleGun;
73 }
74
75 //....oooOO0OOooo........oooOO0OOooo........oo
76 //
77 void RE02PrimaryGeneratorAction::GeneratePrima
78 {
79 G4ThreeVector position = fParticleGun->GetPa
80 G4double dx = (G4UniformRand() - 0.5) * fSig
81 G4double dy = (G4UniformRand() - 0.5) * fSig
82 position.setX(dx);
83 position.setY(dy);
84 fParticleGun->SetParticlePosition(position);
85 fParticleGun->GeneratePrimaryVertex(anEvent)
86 }
87