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25 //
26 //
27 // --------------------------------------------------------------
28 // GEANT 4 - ULTRA experiment example
29 // --------------------------------------------------------------
30 //
31 // Code developed by:
32 // B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues
33 //
34 // ****************************************************
35 // * UltraPrimaryGeneratorAction.cc
36 // ****************************************************
37 //
38 // Class used in the definition of the optical photons source
39 // A plane, circular source is used. Depending on the source position, optical
40 // photons may reach the UVscope directly or after reflection. By default direct
41 // incidence is used. The source parameters can be set directly in this class
42 // or through the GeneralParticleSource messenger class.
43 //
44 #include "UltraPrimaryGeneratorAction.hh"
45 #include "UltraDetectorConstruction.hh"
46
47 #include "G4PhysicalConstants.hh"
48 #include "G4SystemOfUnits.hh"
49 #include "G4RunManager.hh"
50 #include "G4Event.hh"
51 #include "G4GeneralParticleSource.hh"
52 #include "G4SPSAngDistribution.hh"
53 #include "G4SPSEneDistribution.hh"
54 #include "G4SPSPosDistribution.hh"
55 #include "G4ParticleTable.hh"
56 #include "G4ParticleDefinition.hh"
57 #include "G4ThreeVector.hh"
58
59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
60
61 UltraPrimaryGeneratorAction::UltraPrimaryGeneratorAction()
62 {
63 particleGun = new G4GeneralParticleSource();
64 }
65
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
67
68 UltraPrimaryGeneratorAction::~UltraPrimaryGeneratorAction()
69 {
70 delete particleGun;
71 }
72
73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
74
75 void UltraPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
76 {
77
78 auto iEvent = anEvent->GetEventID() ;
79 if ( iEvent == 0 ){
80
81 G4cout << particleGun->GetParticleDefinition()->GetParticleName() << " " ;
82 G4cout << particleGun->GetCurrentSource()->GetEneDist()->GetEnergyDisType() << " " ;
83 G4cout << particleGun->GetCurrentSource()->GetPosDist()->GetPosDisType() << G4endl ;
84
85
86 // Check if optical photon wavelength is within limits set for material optical properties tables.
87 }
88
89 particleGun->GeneratePrimaryVertex(anEvent);
90
91 if (particleGun->GetParticleDefinition()->GetParticleName() == "opticalphoton"){
92
93 const UltraDetectorConstruction * detector =
94 dynamic_cast<const UltraDetectorConstruction *>((G4RunManager::GetRunManager())->GetUserDetectorConstruction()) ;
95
96 auto lambda_min = detector->GetLambdaMin() ;
97 auto lambda_max = detector->GetLambdaMax() ;
98
99 auto energy = particleGun->GetParticleEnergy() ;
100
101 if (h_Planck*c_light/energy > lambda_max || h_Planck*c_light/energy < lambda_min){
102 G4cerr << "Error ! Optical photon energy (" << energy/eV << " eV) out of limits set by material optical properties tables. \n"
103 << "Please check that photon wavelength is within the following interval: ["
104 << lambda_min/nm << ","
105 << lambda_max/nm << "] nm"
106 << ", i.e., ["
107 << h_Planck*c_light/lambda_max/eV << ","
108 << h_Planck*c_light/lambda_min/eV << "] eV"
109 << G4endl ;
110
111 G4Exception("UltraPrimaryGeneratorAction::GeneratePrimaries()","AirSh005",
112 FatalException,"Wavelength outside the valid range") ;
113 }
114 }
115
116 }
117