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25 // 25 //
26 // 26 //
27 /// \file Par02PrimaryGeneratorAction.cc 27 /// \file Par02PrimaryGeneratorAction.cc
28 /// \brief Implementation of the Par02PrimaryG 28 /// \brief Implementation of the Par02PrimaryGeneratorAction class
29 29
30 #include "Par02PrimaryGeneratorAction.hh" 30 #include "Par02PrimaryGeneratorAction.hh"
31 <<
32 #include "Par02PrimaryParticleInformation.hh" <<
33 <<
34 #include "G4Event.hh" 31 #include "G4Event.hh"
35 #include "G4ParticleDefinition.hh" <<
36 #include "G4ParticleGun.hh" 32 #include "G4ParticleGun.hh"
37 #include "G4ParticleTable.hh" 33 #include "G4ParticleTable.hh"
38 #include "G4SystemOfUnits.hh" << 34 #include "G4ParticleDefinition.hh"
>> 35 #include "Par02PrimaryParticleInformation.hh"
39 #include "globals.hh" 36 #include "globals.hh"
>> 37 #include "G4SystemOfUnits.hh"
40 38
41 //....oooOO0OOooo........oooOO0OOooo........oo 39 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
42 40
43 Par02PrimaryGeneratorAction::Par02PrimaryGener << 41 Par02PrimaryGeneratorAction::Par02PrimaryGeneratorAction() {
44 { <<
45 G4int n_particle = 1; 42 G4int n_particle = 1;
46 fParticleGun = new G4ParticleGun(n_particle) << 43 fParticleGun = new G4ParticleGun( n_particle );
47 44
48 G4ParticleTable* particleTable = G4ParticleT 45 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
49 G4String particleName; 46 G4String particleName;
50 G4ParticleDefinition* particle = particleTab << 47 G4ParticleDefinition* particle =
51 fParticleGun->SetParticleDefinition(particle << 48 particleTable->FindParticle( particleName = "geantino" );
52 << 49 fParticleGun->SetParticleDefinition( particle );
53 fParticleGun->SetParticleMomentumDirection(G << 50
54 fParticleGun->SetParticleEnergy(100.0 * GeV) << 51 fParticleGun->SetParticleMomentumDirection( G4ThreeVector( 0.0, 1.0, 0.0 ) );
55 fParticleGun->SetParticlePosition(G4ThreeVec << 52 fParticleGun->SetParticleEnergy( 100.0*GeV );
>> 53 fParticleGun->SetParticlePosition( G4ThreeVector( 0.0, 0.0, 0.0 ) );
56 } 54 }
57 55
58 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59 57
60 Par02PrimaryGeneratorAction::~Par02PrimaryGene << 58 Par02PrimaryGeneratorAction::~Par02PrimaryGeneratorAction() {
61 { <<
62 delete fParticleGun; 59 delete fParticleGun;
63 } 60 }
64 61
65 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 63
67 void Par02PrimaryGeneratorAction::GeneratePrim << 64 void Par02PrimaryGeneratorAction::GeneratePrimaries( G4Event* anEvent ) {
68 { << 65 fParticleGun->GeneratePrimaryVertex( anEvent );
69 fParticleGun->GeneratePrimaryVertex(anEvent) <<
70 66
71 // Loop over the vertices, and then over pri 67 // Loop over the vertices, and then over primary particles,
72 // and for each primary particle create an i 68 // and for each primary particle create an info object, in
73 // which to store "Monte Carlo true" informa 69 // which to store "Monte Carlo true" information.
74 // This approach could appear unnecessarily 70 // This approach could appear unnecessarily heavy in the present case
75 // of a trivial particle gun generator, but 71 // of a trivial particle gun generator, but it is useful in the more
76 // realistic case of a Monte Carlo event gen 72 // realistic case of a Monte Carlo event generator like Pythia8.
77 G4int count_particles = 0; 73 G4int count_particles = 0;
78 for (G4int ivtx = 0; ivtx < anEvent->GetNumb << 74 for ( G4int ivtx = 0; ivtx < anEvent->GetNumberOfPrimaryVertex(); ivtx++ ) {
79 for (G4int ipp = 0; ipp < anEvent->GetPrim << 75 for ( G4int ipp = 0; ipp < anEvent->GetPrimaryVertex( ivtx )->GetNumberOfParticle();
80 G4PrimaryParticle* primary_particle = an << 76 ipp++ ) {
81 if (primary_particle) { << 77 G4PrimaryParticle* primary_particle =
82 primary_particle->SetUserInformation(n << 78 anEvent->GetPrimaryVertex( ivtx )->GetPrimary( ipp );
83 count_particles, primary_particle->G << 79 if ( primary_particle ) {
84 count_particles++; << 80 primary_particle->SetUserInformation( new Par02PrimaryParticleInformation(
>> 81 count_particles, primary_particle->GetPDGcode(),
>> 82 primary_particle->GetMomentum() ) );
>> 83 count_particles++;
85 } 84 }
86 } << 85 }
87 } 86 }
88 } 87 }
89 88
90 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
91 90
92 G4ParticleGun* Par02PrimaryGeneratorAction::Ge << 91 G4ParticleGun* Par02PrimaryGeneratorAction::GetParticleGun() {
93 { <<
94 return fParticleGun; 92 return fParticleGun;
95 } << 93 }
96 94
97 //....oooOO0OOooo........oooOO0OOooo........oo 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 96
98 97